Layers Sensitive To Different Spectral Regions Patents (Class 430/503)
  • Patent number: 6416943
    Abstract: The invention provides a color photographic element suitable for forming both a colored dye image and a neutral silver-based image, comprising a support bearing at least one light-sensitive silver halide emulsion layer containing a coupler capable of forming a colored dye upon development, and bearing a further light-sensitive silver halide emulsion layer containing a coupler which is capable of releasing a thiovinyl group upon development that is capable of reacting to form a neutral silver-based image.
    Type: Grant
    Filed: November 14, 2000
    Date of Patent: July 9, 2002
    Assignee: Eastman Kodak Company
    Inventors: Robert F. Romanet, Susan D. Hill, Stephen P. Singer, Anabisdally I. Bodden
  • Patent number: 6399289
    Abstract: Disclosed is a silver halide color photographic light-sensitive material comprising, on a support, a unit blue-sensitive layer including at least one blue-sensitive silver halide emulsion layer containing a yellow coupler, a unit green-sensitive layer including at least one green-sensitive silver halide emulsion layer containing a magenta coupler, and a unit red-sensitive layer including at least one red-sensitive silver halide emulsion layer containing a cyan coupler, at least one of the unit blue-, green-, and red-sensitive layers comprising not less than two color-sensitive layers differing in sensitivity, of which a highest-sensitivity layer being positioned farthest from the support, wherein the light-sensitive material has at least one layer containing a high-boiling organic solvent, at least 50% by weight of which is occupied by a high-boiling organic solvent having a viscosity of not less than 300 mPas at 25° C.
    Type: Grant
    Filed: September 28, 2000
    Date of Patent: June 4, 2002
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Junichiro Hosokawa, Hisashi Mikoshiba, Yasuhiro Kato
  • Publication number: 20020058214
    Abstract: A silver halide photographic material is disclosed, comprising a support having provided thereon at least one silver halide emulsion layer, wherein the silver halide emulsion layer contains, in the dispersion medium phase of the emulsion, one or more kinds of inorganic fine particles having a refractive index the total weight of the fine particles contained in the unit volume of the dispersion medium phase is from 1.0 to 95 wt %, the dispersion medium phase containing the fine particles is substantially transparent to the photosensitive peak wavelength light of the emulsion layer, and the photographic material is exposed and processed in the development process comprising at least a developing step and a fixing step.
    Type: Application
    Filed: January 6, 2000
    Publication date: May 16, 2002
    Inventors: Mitsuo Saitou, Yoichi Maruyama, Toshiyuki Nabeta, Masaaki Miki, Keiichi Miyazaki, Mikio Ihama, Shunji Takada, Norihiro Omae, Yasushi Tanabe
  • Patent number: 6372418
    Abstract: A silver halide light sensitive photographic print element is disclosed comprising a support bearing on one side thereof: a blue color sensitive record comprising at least one blue-sensitive silver halide emulsion yellow-image forming layer, a red color sensitive record comprising at least one red-sensitive silver halide emulsion cyan-image forming layer, and a green color sensitive record comprising at least one green-sensitive silver halide emulsion magenta-image forming layer; wherein the overall contrast (OC) of the green record is greater than 1.7, the mid-scale contrast (MSC) of the green record is less than 2.6, and the upper-scale contrast (USC) of the green record is from 2.85 to 3.15, wherein the parameters OC, MSC and USC are as defined herein. Color print film silver halide photographic elements in accordance with the invention enable the production of outstanding projected images having improved flesh tone and shadow detail reproduction, and sufficiently high black densities.
    Type: Grant
    Filed: July 18, 2000
    Date of Patent: April 16, 2002
    Assignee: Eastman Kodak Company
    Inventors: Kathleen R. C. Gisser, Esther M. Betancourt, Leslie Gutierrez, Sandra M. Finn, Susan K. Mroczek, Christopher J. Haller
  • Patent number: 6368758
    Abstract: This invention relates to a decorative package comprising a package having adhered thereto a label comprising a transparent polymer sheet, and at least one dye containing layer is on each side of said sheet, wherein there are at least four separate dye containing layers and the dye containing layers comprise at least four spectrally distinct colors.
    Type: Grant
    Filed: September 18, 2000
    Date of Patent: April 9, 2002
    Assignee: Eastman Kodak Company
    Inventors: Alphonse D. Camp, James L. Edwards, Robert P. Bourdelais, Peter T. Aylward
  • Patent number: 6368759
    Abstract: The invention relates to an imaging element comprising a transparent polymer sheet, and at least one photosensitive dye forming coupler containing layer is on each side of said transparent sheet, wherein there are at least four separate photosensitive layers and the photosensitive layers comprise at least four dye forming couplers that form at least four spectrally distinct colors, and wherein said imaging element is adhered to a transmissive polymer sheet that has a spectral transmissiveness of greater than 15 and less than 90%.
    Type: Grant
    Filed: September 18, 2000
    Date of Patent: April 9, 2002
    Assignee: Eastman Kodak Company
    Inventors: Robert P. Bourdelais, Peter T. Aylward, Alphonse D. Camp, James L. Edwards
  • Patent number: 6365331
    Abstract: A thermal film structure includes at least first and second imaging layers which have different processing characteristics. That is, the first imaging layer is processable at a first temperature while the second imaging layer is processable at a second temperature which is higher than the first temperature. The first and second imaging layers can be coated on or integrated into the film structure. This permits the addition of metadata on the low temperature layer which can be obtained without effecting the development of images on the high temperature layer. Also disclosed is a method for processing the thermal film.
    Type: Grant
    Filed: June 13, 2000
    Date of Patent: April 2, 2002
    Assignee: Eastman Kodak Company
    Inventors: Gary L. House, David H. Levy
  • Patent number: 6346368
    Abstract: A silver halide color reversal photographic material is disclosed, comprising a support having thereon a blue-sensitive silver halide emulsion layer containing a yellow dye-forming coupler, a green-sensitive silver halide emulsion layer containing a magenta dye-forming coupler and a red-sensitive silver halide emulsion layer containing a cyan dye-forming coupler, wherein a RMS value at a density of 0.8 of the red-sensitive layer is within a range of 20 to 90% of a RMS value at a density of 0.8 of the green-sensitive layer.
    Type: Grant
    Filed: July 21, 2000
    Date of Patent: February 12, 2002
    Assignee: Konica Corporation
    Inventor: Yasushi Irie
  • Patent number: 6340561
    Abstract: Disclosed is a heat developable color photosensitive material, said material comprising a support having disposed thereon a photosensitive layer including at least two layers, any one of the layers containing a photosensitive silver halide, a binder, and an incorporated color developing agent, one layer containing a substantially colorless coupler which forms a diffusive dye by coupling with the oxidized form of the incorporated developing agent, another layer containing a compound represented by the general formula (1). In the color photosensitive material for heat development, the hue of the diffusive dye, which is formed by the coupling reaction between the substantially colorless compound and the oxidized form of the incorporated color developing agent, and the hue of the diffusive dye residue, which is represented by Dye in the general formula (1), differ from each other.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: January 22, 2002
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hideaki Naruse, Yuki Mizukawa
  • Patent number: 6333143
    Abstract: There is disclosed a method for forming an image on a light-sensitive material having on a base at least a light-sensitive silver halide emulsion and a binder, which comprises, subjecting at least one light-sensitive layer to exposure to light, by using an exposure head that has a plurality of different light sources for emitting lights in respective specific wavelength regions correspondingly to adjacent exposure picture elements, to form an image, wherein, in the specific wavelength regions from the shortest wavelength to the longest wavelength for the respective plurality of light sources to be used, the change in sensitivity of the light-sensitive material in the spectral sensitivity curve obtained by plotting the sensitivities of the light-sensitive material in terms of the specific wavelength regions including the wavelengths in centers of gravity of respective light sources is 0.01 log E/nm or less.
    Type: Grant
    Filed: August 12, 1999
    Date of Patent: December 25, 2001
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Takeshi Shibata, Yuji Mihara
  • Patent number: 6319660
    Abstract: Disclosed is a color photographic element comprising at least one of (1) a light sensitive silver halide emulsion layer and (2) a non-silver containing light insensitive layer, said at least one layer containing a compound with a minimum of three heteroatoms that does not react with oxidized developer and that has a ClogP sufficient to increase the photographic speed of said element compared to the same element without the compound. The invention provides improved light sensitivity.
    Type: Grant
    Filed: July 21, 1999
    Date of Patent: November 20, 2001
    Assignee: Eastman Kodak Company
    Inventors: Philip A. Allway, Bernard A. Clark, John D. Goddard, Louis E. Friedrich, James A. Friday, Stephen P. Singer, Marcello Vitale
  • Patent number: 6312880
    Abstract: The invention relates to a multilayer photographic element comprising a reflective support wherein the color record 1 adjacent to the support comprises at least one light sensitive layer and a non-light sensitive dye-forming interlayer; and wherein color record 2 above said color record 1 comprises at least one light sensitive layer and at least two non-light sensitive dye-forming interlayers and wherein color record 3 above said color record 2 comprises at least one light sensitive layer and a non-light sensitive dye-forming interlayer; and a top overcoat layer comprising gelatin and ultraviolet absorbing material; and wherein each interlayer is substantially scavenger free, and color records 1, 2, and 3 comprise silver halide grains comprising greater than 90% silver chloride, and wherein the reciprocity characteristics of the silver halide grains are such that for a separation exposure of 1 microsecond and 0.4 sec, at least one color record develops to a density of at least 2.
    Type: Grant
    Filed: December 27, 1999
    Date of Patent: November 6, 2001
    Assignee: Eastman Kodak Company
    Inventors: Michael R. Roberts, Hwei-Ling Yau, Glenn M. Brown
  • Patent number: 6306566
    Abstract: A heat developable light-sensitive material comprises a support, a light-sensitive layer and a non-light-sensitive layer. The light-sensitive layer contains silver halide and a reducing agent. The non-light-sensitive layer contains a cyanine dye represented by the formula (I) or a salt thereof and a base precursor: in which R1 is hydrogen, an aliphatic group, an aromatic group, —NR21R24, —OR21 or —SR21, each of R21 and R24 independently is hydrogen, an aliphatic group or an aromatic group, or R21 and R24 are combined to form a nitrogen-containing heterocyclic ring; R2 is hydrogen, an aliphatic group or an aromatic group; R3 is an aliphatic group; L1 is a methine chain consisting of an odd number of methines; and each of Z1 and Z2 independently is an atomic group forming a five-membered or six-membered nitrogen-containing heterocyclic ring.
    Type: Grant
    Filed: October 21, 1998
    Date of Patent: October 23, 2001
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Masami Sakurada, Masaki Noro, Itsuo Fujiwara, Yoshiharu Yabuki
  • Patent number: 6296995
    Abstract: The invention relates to A reflective base photographic element comprising a support material comprising a microvoided biaxially oriented polymer sheet having an upper surface L* of at least 93.5 and imaging layers wherein said imaging layers have an exposure range of between 125 to 0.5 when there is a Status A reflection density shoulder loss of no more than 8 percent as a function of the cyan record, wherein said photographic element has an exposure range of at least 125 nanoseconds to 0.5 seconds when there is a Status A reflection density shoulder loss of no more than 8 percent as a function of the magenta color record, wherein said photographic element has an exposure range of at least 125 nanoseconds to 0.5 seconds when there is a Status A reflection density shoulder loss of no more than 4 percent as a function of the yellow color record, and wherein said photographic element has a Status A reflection density minimum of less than 0.
    Type: Grant
    Filed: January 11, 2000
    Date of Patent: October 2, 2001
    Assignee: Eastman Kodak Company
    Inventors: Alphonse D. Camp, Peter T. Aylward, Robert P. Bourdelais
  • Patent number: 6291151
    Abstract: There is disclosed a silver halide photographic light-sensitive material comprising at least a silver halide emulsion layer containing a yellow dye-forming coupler, a silver halide emulsion layer containing a magenta dye-forming coupler and a silver halide emulsion layer containing a cyan dye-forming coupler, on a support, wherein: the silver halide emulsion layer containing a yellow dye-forming coupler is located more apart from the support than at least one of the silver halide emulsion layer containing a magenta dye-forming coupler and the silver halide emulsion layer containing a cyan dye-forming coupler, and silver halide grains contained in the silver halide emulsion layer containing a yellow dye-forming coupler comprises a high silver chloride emulsion in which the content of silver halide is 80 mol % or more. There is also disclosed a method of forming an image using the light-sensitive material.
    Type: Grant
    Filed: January 28, 2000
    Date of Patent: September 18, 2001
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hiroyuki Yoneyama, Katsuhisa Ohzeki, Yasuaki Deguchi, Katsuyuki Takada
  • Patent number: 6280916
    Abstract: The invention relates to a multilayer photographic element comprising a reflective support wherein the color record 1 adjacent to the support comprises at least one light sensitive layer and a non-light sensitive dye-forming interlayer; and wherein color record 2 above said color record 1 comprises at least one light sensitive layer and at least two non-light sensitive dye-forming interlayers and wherein color record 3 comprises at least one light sensitive layer and a non-light sensitive dye-forming interlayer; an optional UV dye containing interlayer; and top overcoat; and wherein each interlayer is substantially scavenger free, silver halide grains comprising greater than 90% silver chloride, and wherein the reciprocity characteristics of the silver halide grains are such that for a separation exposure of 1 microsecond and 0.4 sec, each color record develops to a density of at least 2.0 within a log exposure range of 1.2 or less relative to the exposure point producing a density 0.04 above Dmin.
    Type: Grant
    Filed: December 27, 1999
    Date of Patent: August 28, 2001
    Assignee: Eastman Kodak Company
    Inventor: Michael R. Roberts
  • Patent number: 6268116
    Abstract: The invention relates to a multilayer photographic element comprising a reflective support wherein the color record 1 adjacent to the support comprises at least one light sensitive layer and a non-light sensitive dye-forming interlayer; and wherein color record 2 above said color record 1 comprises at least one light sensitive layer and at least two non-light sensitive dye-forming interlayers and wherein color record 3 comprises at least one light sensitive layer and a non-light sensitive dye-forming interlayer; an optional UV dye containing interlayer and a top overcoat; and wherein each interlayer is completely or substantially scavenger free, silver halide grains comprising greater than 90% silver chloride, and wherein the reciprocity characteristics of the silver halide grains are such that for a separation exposure of 1 microsecond and 0.4 sec, each color record develops to a density of at least 2.0 within a log exposure range of 1.2 or less relative to the exposure point producing a density 0.
    Type: Grant
    Filed: December 27, 1999
    Date of Patent: July 31, 2001
    Assignee: Eastman Kodak Company
    Inventors: Michael R. Roberts, Gary J. McSweeney, Alphonse D. Camp
  • Patent number: 6261746
    Abstract: Disclosed is an image-forming method which comprises exposing a photographic material comprising a support having thereon at least a photosensitive silver halide emulsion and a binder, the silver halide emulsion containing at least one compound selected from metal ions and metal complex ions which are electron traps of 0.2 eV or less in depth, with an exposing head having at least three kinds of exposure light sources having different specific light emitting wavelength regions corresponding to at least three different color sensitivities of the photographic material, each of the at least three kinds of exposure light sources having different center-of-gravity wavelengths in each of the specific light emitting wavelength regions, wherein each of the specific light emitting wavelength regions is from the shortest wavelength to the longest wavelength among the exposure light sources having different center-of-gravity wavelengths, and the photographic material has a sensitivity variation of 0.
    Type: Grant
    Filed: January 19, 2000
    Date of Patent: July 17, 2001
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Takuji Kosugi
  • Patent number: 6258518
    Abstract: A silver halide photosensitive material comprises a compound represented by formula (S1): wherein R1 represents a substituent group, n represents an integer from 0 to 4, R2 and R3 can be the same or different and represent a hydrogen atom or an alkyl group, and R4 represents a hydrogen atom, an alkyl group, an aryl group, or a heterocyclic group.
    Type: Grant
    Filed: March 30, 1999
    Date of Patent: July 10, 2001
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Masato Taniguchi, Hideo Ikeda
  • Patent number: 6225037
    Abstract: This invention comprises a photographic element for accurately recording a scene as an image comprising a support and coated on the support a plurality of hydrophilic colloid layers comprising radiation-sensitive silver halide emulsion layers forming recording layer units for separately recording blue, green and red exposures wherein, (A) the blue recording layer unit comprises at least one blue sensitive emulsion having a peak dyed absorptance of between 435 and 465 nm and an absorptance at 480 nm≧50% of the maximum peak dyed absorptance; or (B) the blue sensitive recording unit comprises a blue sensitive emulsion layer having a peak dyed absorptance of between 435 and 465 nm, and the emulsion exhibits an overall half-peak dyed absorption bandwidth of at least 50 nm.
    Type: Grant
    Filed: August 5, 1998
    Date of Patent: May 1, 2001
    Assignee: Eastman Kodak Company
    Inventors: Lois A. Buitano, Allan F. Sowinski, Steven G. Link
  • Patent number: 6221569
    Abstract: There are provided a method of forming color images, wherein the image information recorded in a color negative film, which is constituted so as to provide an optical density of not higher than 0.50 in the non-image area in each of densitometric measurements using red light, green light and blue light respectively after exposure and development processing operation, is read photoelectrically, the read image information is converted into electric digital image information, the converted image information is subjected to picture processing and then the processed image information is transmitted to a printer, thereby reproducing color positive images; and a color negative film having the density specified above in the non-image area.
    Type: Grant
    Filed: August 4, 1998
    Date of Patent: April 24, 2001
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Takatoshi Ishikawa
  • Patent number: 6221571
    Abstract: A silver halide light sensitive photographic element is disclosed comprising a support bearing at least one cyan image forming hydrophilic colloid layer comprising cyan image dye forming coupler of Formula I and benzoic acid ester or diester high boiling solvent of Formula II. wherein Ra is an alkyl group, Rb is a ballast group, and X is hydrogen or a coulping-off group. wherein: each m is independently 0, 1, 2 or 3; each R1 is an individually selected alkyl group with up to four carbon atoms; n is 1 to 7; each R2, R3, R4 and R5 may be the same or different and is individually selected from hydrogen or an alkyl group with up to four carbon atoms; p is 0 to 3; q is 1 to 7; r is 0 or 1; and the log P of the solvent is at least 4.0. The photographic elements of the invention provide high cyan coupler reactivity and form deep cyan dye hues upon photographic processing without degrading cyan dye dark stability.
    Type: Grant
    Filed: December 10, 1998
    Date of Patent: April 24, 2001
    Assignee: Eastman Kodak Company
    Inventors: Paul L. Zengerle, Gary N. Barber
  • Patent number: 6210870
    Abstract: A method of creating image-bearing electronic signals from an imagewise exposed and processed color negative photographic element is disclosed. The color element is especially suited for preloading in a one-time-use camera and is capable of producing images that, when scanned, converted to electronic form and then converted to a viewable form, exhibit excellent color, reduced granularity and improved sharpness. The photographic elements contain blue, green and red recording layer units capable of forming spectrally differentiated dye images. The layer units are substantially free of colored masking coupler, and each exhibit a dye image gamma of less than 1.5. The element exhibits an exposure latitude of at least 2.7 log E. The gamma ratios of the blue, green and red recording layer units are between 0.80 and 1.2.
    Type: Grant
    Filed: June 25, 1998
    Date of Patent: April 3, 2001
    Assignee: Eastman Kodak Company
    Inventors: Frank R. Brockler, John D. Buhr, Allan F. Sowinski, Richard P. Szajewski, Lois A. Buitano
  • Patent number: 6194135
    Abstract: A negatively developing color photographic silver halide material having a support and at least one blue-sensitive silver halide emulsion layer containing at least one yellow coupler, at least one green-sensitive silver halide emulsion layer containing at least one magenta coupler and at least one red-sensitive silver halide emulsion layer containing at least one cyan coupler, at least 95 mol % of the silver halides of which consist of AgCl, and in which at least one silver halide emulsion layer exhibits solarization on analogue exposure, is distinguished on scanning exposure by elevated color density and on analogue exposure by contrast which is independent of exposure time.
    Type: Grant
    Filed: October 22, 1999
    Date of Patent: February 27, 2001
    Assignee: Agfa-Gevaert Naamloze Vennootschap
    Inventors: Cuong Ly, Stefan Amann, Jürgen Jung, Dieter Rockser
  • Patent number: 6180328
    Abstract: Disclosed is a color photographic element comprising at least five imaging layers including: a first light sensitive silver halide imaging layer having associated therewith a cyan image dye-forming coupler; a second light sensitive silver halide imaging layer having associated therewith a magenta image dye-forming coupler; a third light sensitive silver halide imaging layer having associated therewith a yellow image dye-forming coupler; and a fourth light sensitive silver halide imaging layer having associated therewith a fourth image dye-forming coupler for which the normalized spectral transmission density distribution curve of the dye formed by the fourth image dye-forming coupler upon reaction with color developer has a CIELAB hue angle, hab, from 225 to 310°; and a fifth light sensitive silver halide imaging layer having associated therewith a fifth image dye-forming coupler for which the normalized spectral transmission density distribution curve of the dye formed by the fifth image dye-forming
    Type: Grant
    Filed: December 28, 1999
    Date of Patent: January 30, 2001
    Assignee: Eastman Kodak Company
    Inventors: James L. Edwards, William J. Begley
  • Patent number: 6180312
    Abstract: The invention relates to a color negative photographic element comprising a support, upon which is coated a blue sensitive silver halide layer containing a yellow dye forming coupler, a green sensitive silver halide layer containing a magenta dye forming coupler, a red sensitive silver halide layer containing a cyan dye forming coupler, and a 4th sensitized layer containing an infrared dye forming coupler and wherein the dye formed by the infrared dye forming coupler has a &lgr;-max greater than 680 nm and wherein the density of the absorption band of the characteristic vector of the cyan dye, normalized to 1.0 density, is less than 0.4 at 700 nm.
    Type: Grant
    Filed: March 22, 2000
    Date of Patent: January 30, 2001
    Assignee: Eastman Kodak Company
    Inventor: James L. Edwards
  • Patent number: 6165685
    Abstract: The invention relates to a recording material having a substrate and a radiation-sensitive, water-insoluble layer which contains a component absorbing IR radiation and which, after the action of infrared radiation, becomes soluble or at least swellable in an aqueous alkaline developer. A top layer which is opaque to white light but transparent to radiation in the IR range and can be removed with water or an aqueous solution is present on the radiation-sensitive layer. The recording material is substantially insensitive to daylight. By imagewise exposure to IR radiation and subsequent development with an aqueous alkaline developer, it is possible to produce a printing plate for offset printing from the recording material. If the top layer is washed off beforehand, the recording can also be carried out using conventional UV radiation.
    Type: Grant
    Filed: September 8, 1998
    Date of Patent: December 26, 2000
    Assignee: Agfa-Gevaert N.V.
    Inventors: Karin Maerz, Helmut Haberhauer, Andreas Elsaesser, Hans-Joachim Schlosser, Fritz-Feo Grabley
  • Patent number: 6159672
    Abstract: The invention provides a multilayered color photographic element and associated image forming process wherein the element comprises a support having coated thereon photographic silver halide emulsion layers said layers including at least two blue sensitive layers, the blue sensitive layers being the emulsion layers farthest from the support, whereinthe first of said blue sensitive layers is the most sensitive blue layer and is the emulsion layer farthest from the support, the first blue sensitive layer being extremely starved of dye-forming coupler, the second blue sensitive layer being contiguous said first blue sensitive layer.
    Type: Grant
    Filed: October 8, 1993
    Date of Patent: December 12, 2000
    Assignee: Eastman Kodak Company
    Inventors: John Brian Rieger, James Anthony Friday
  • Patent number: 6156489
    Abstract: A silver halide photographic light sensitive material comprising a transparent support and provided thereon a light sensitive layer containing a yellow coupler, a magenta coupler and a cyan coupler to form a monochromatic image upon color development after exposure, wherein a relative coupling rate of the magenta coupler with an oxidation product of a color developing agent is higher than that of the yellow or cyan coupler.
    Type: Grant
    Filed: June 9, 1998
    Date of Patent: December 5, 2000
    Assignee: Konica Corporation
    Inventors: Toshihiko Iwasaki, Masaru Iwagaki
  • Patent number: 6146818
    Abstract: A color negative film is disclosed capable of producing dye images suitable for digital scanning comprised of a support and, coated on the support, a series of hydrophilic colloid layers including at least two red recording emulsion layer units capable of forming a dye image of a first hue, at least two green recording emulsion layer units capable of forming a dye image of a second hue, and at least one blue recording emulsion layer unit capable of forming a dye image of a third hue, wherein, (1) the series of hydrophilic colloid layers include the following sequence, starting with the layer unit coated nearest the support: (a) a slower speed red recording layer unit, (b) a slower speed green recording layer unit, (c) a faster speed red recording layer unit, and (d) a faster speed green recording layer unit; (2) colored masking couplers are absent from the recording layer units; (3) tabular grain emulsions sensitized to the green and red are employed in the green and red recording layer units, respectively, a
    Type: Grant
    Filed: December 30, 1998
    Date of Patent: November 14, 2000
    Assignee: Eastman Kodak Company
    Inventors: Maria J. Gonzalez, Allan F. Sowinski, Lois A. Buitano, Steven G. Link
  • Patent number: 6143482
    Abstract: A photographic element comprises: a support and, coated on the support, a plurality of hydrophilic colloid layers, including radiation-sensitive silver halide emulsion layers, forming layer units for separately recording blue, green and red exposures, wherein, the red recording layer unit is comprised of at least one green-red sensitive emulsion having a peak dyed absorptance of between about 525 and about 600 nm, an overall half-peak absorptance bandwidth of between about 70 and about 150 nm, and a ratio of the bandwidths at 80% of peak absorptance to 50% of peak absorptance of greater than or equal to about 0.25.In preferred embodiments of the invention, the photographic element is especially suited for more accurately recording scenes according to the human visual system.
    Type: Grant
    Filed: August 5, 1998
    Date of Patent: November 7, 2000
    Assignee: Eastman Kodak Company
    Inventors: Lois A. Buitano, Allan F. Sowinski, Steven G. Link
  • Patent number: 6100018
    Abstract: A silver halide color photographic material, which is superior in color reproduction as well as its stability, is disclosed, comprising a support having thereon a blue-sensitive silver halide emulsion layer containing a yellow coupler, a green-sensitive silver halide emulsion layer containing a magenta coupler, a red-sensitive silver halide emulsion layer containing a yellow coupler, an invisible light-sensitive silver halide emulsion layer containing a coupler and a layer having an interlayer effect, which is light sensitive or light-insensitive.
    Type: Grant
    Filed: March 16, 1999
    Date of Patent: August 8, 2000
    Assignee: Konica Corporation
    Inventor: Kouji Tashiro
  • Patent number: 6093526
    Abstract: This invention comprises a photographic element for accurately recording a scene as an image comprising a support and coated on the support a plurality of hydrophilic colloid layers comprising radiation-sensitive silver halide emulsion layers forming recording layer units for separately recording blue, green and red exposures wherein, the green recording layer unit comprises at least one green sensitive emulsion having:(i) a peak dyed absorptance of between 520 and 560 nm,(ii) an absorption bandwidth at 50% of the peak dyed absorptance greater than or equal to 50 nm,(iii) an absorption bandwidth at 80% of the peak dyed absorptance greater than or equal to 27 nm,(iv) a ratio of the absorptance at 560 nm to the peak dyed absorptance greater than or equal to 0.40,(v) a ratio of the absorptance at 550 nm to the peak dyed absorptance greater than or equal to 0.60, and(vi) a ratio of the absorptance at 520 nm to the peak dyed absorptance greater than or equal to 0.55.
    Type: Grant
    Filed: March 1, 1999
    Date of Patent: July 25, 2000
    Assignee: Eastman Kodak Company
    Inventors: Lois A. Buitano, Steven G. Link, Allan F. Sowinski
  • Patent number: 6077654
    Abstract: A silver halide light sensitive motion picture photographic print element is disclosed comprising a support bearing on one side thereof: a primarily yellow dye image-forming unit comprising at least one blue-sensitive silver halide emulsion layer having associated therewith primary yellow dye-forming coupler and secondary cyan and magenta dye-forming couplers; a primarily cyan dye image-forming unit comprising at least one red-sensitive silver halide emulsion layer having associated therewith an effectively primary amount of cyan dye-forming coupler and effectively secondary amounts of magenta and yellow dye-forming couplers; and a primarily magenta dye image-forming unit comprising at least one green-sensitive silver halide emulsion layer having associated therewith an effectively primary amount of magenta dye-forming coupler and effectively secondary amounts of cyan and yellow dye-forming couplers; wherein the primary and secondary dye-forming couplers in each of the dye image-forming units are present in a
    Type: Grant
    Filed: December 23, 1998
    Date of Patent: June 20, 2000
    Assignee: Eastman Kodak Company
    Inventors: James P. Merrill, Mitchell J. Bogdanowicz, Charles P. Hagmaier
  • Patent number: 6063555
    Abstract: A silver halide color photographic light-sensitive material is disclosed. The light-sensitive material comprises a transparent support having on one side thereof a cyan dye-forming coupler-containing red-sensitive silver halide emulsion layer, a magenta dye-forming coupler-containing green-sensitive silver halide emulsion layer, a yellow dye-forming coupler-containing blue-sensitive silver halide emulsion layer, a non-light-sensitive hydrophilic colloid layer and an invisible light-sensitive silver halide emulsion layer containing a dye forming coupler, a colored coupler or a DIR compound.
    Type: Grant
    Filed: January 15, 1998
    Date of Patent: May 16, 2000
    Assignee: Konica Corporation
    Inventors: Kuniaki Uezawa, Kaoru Onodera, Hideaki Haraga
  • Patent number: 6048674
    Abstract: The invention provides photographic element comprising a first light sensitive silver halide emulsion layer having associated therewith a cyan dye-forming coupler, a second light sensitive silver halide emulsion layer having associated therewith a magenta dye-forming coupler, and a third light sensitive silver halide emulsion layer having associated therewith a yellow dye-forming coupler,wherein the normalized spectral transmission density distribution curve of the dye formed by the cyan coupler upon development with a p-phenylenediamine developer has a density between 0.7 and 0.78 at 600 nm and a density between 0.8 and 0.91 at 610 nm. Such an element enables an increase in the color gamut for imaging.
    Type: Grant
    Filed: December 23, 1998
    Date of Patent: April 11, 2000
    Assignee: Eastman Kodak Company
    Inventors: Elizabeth McInerney, Patti L. Bushnell
  • Patent number: 6045983
    Abstract: A color negative film is disclosed capable of producing dye images suitable for digital scanning.
    Type: Grant
    Filed: August 5, 1998
    Date of Patent: April 4, 2000
    Assignee: Eastman Kodak Company
    Inventors: Lois A. Buitano, Allan F. Sowinski, Maria J. Gonzalez, Steven G. Link
  • Patent number: 6017689
    Abstract: A color photographic silver halide material having at least two blue-sensitive, yellow coupler containing silver halide emulsion layers, at least two green-sensitive, magenta coupler containing silver halide emulsion layers and at least two red-sensitive, cyan coupler containing silver halide emulsion layers together with conventional interlayers and protective layers, wherein photosensitive layers of identical color sensitivity differ with regard to the photographic sensitivity thereof and the more highly sensitive layers are arranged further away from the support than the less sensitive layers of identical color sensitivity, which material contains, in a layer which is arranged further from the support than the most highly sensitive, blue-sensitive layer, both at least one yellow coupler and at least one magenta or cyan coupler, is distinguished by improved grain and sensitivity combined with very good color reproduction.
    Type: Grant
    Filed: September 17, 1998
    Date of Patent: January 25, 2000
    Assignee: Agfa-Gevaert AG
    Inventors: Peter Bell, Ralf Buscher, Lothar Endres, Lothar Rosenhahn, Rainer Scheerer, Lydia Simon, Thomas Stetzer
  • Patent number: 6010837
    Abstract: The invention provides a photographic element comprising a silver halide emulsion layer having associated therewith an image dye-forming coupler of formula (I): ##STR1## wherein X is H or a coupling-off group, R is H; or R, R.sub.1 and R.sub.2 are the same or different and are coupler-modifying functional groups (with the provisos that (a) the moiety N(R.sub.1)COR.sub.2 may not be a carbamate, ureido or imido and (b) R.sub.1 and R.sub.2 may not both be phenyl or substituted phenyl); or R.sub.1 and R.sub.2 taken together with the nitrogen atom and the carbonyl group form a 5-10 membered heterocyclic ring which may contain one or more further heteroatoms selected from N, O and S, said heterocyclic ring being unsubstituted or substituted with one or more coupler-modifying functional groups, with the proviso that the ring is not a cyclic carbamate, ureido or imido; and wherein the coupler forms a dye with a peak absorption less than 565 nm.
    Type: Grant
    Filed: April 23, 1997
    Date of Patent: January 4, 2000
    Assignee: Eastman Kodak Company
    Inventors: Bernard A. Clark, Michael W. Crawley, Jane S. Boff, Christina M. Watts, Stephen P. Singer, Paul L. Stanley
  • Patent number: 6010809
    Abstract: A silver halide light-sensitive color photographic material is disclosed. The material comprises thermotropic low molecular crystal. The material is improved in light fastness of a dye image and dye-forming efficiency.
    Type: Grant
    Filed: June 10, 1998
    Date of Patent: January 4, 2000
    Assignee: Konica Corporation
    Inventors: Fumio Ishii, Shinichi Daiba, Tomohiro Oshiyama, Shigeto Hirabayashi, Yoshiko Iwai
  • Patent number: 6004739
    Abstract: A silver halide color photographic light-sensitive materail is disclosed. The light-sensitive material comprises a support having thereon a blue-sinsitive silver halide emulsion layer containing a yellow dye-forming coupler represneted by the following Formula I; ##STR1## wherein R.sub.1 is an aliphatic group or an aromatic group, R.sub.2 is an anti-diffusion aliphatic group or aromatic group, R.sub.3 is a hydrogen atom or a halogen atom, and X is a 5- or 6-member nitrogen-containing heterocyclic group capable of being released upon couling reaction with the oxidation product of a color developing agent.
    Type: Grant
    Filed: November 11, 1997
    Date of Patent: December 21, 1999
    Assignee: Konica Corporation
    Inventors: Satoru Ikesu, Katsuji Ota
  • Patent number: 5998123
    Abstract: A silver halide light-sensitive color photographic material is disclosed. A coupler represented by the formula is used.
    Type: Grant
    Filed: April 28, 1998
    Date of Patent: December 7, 1999
    Assignee: Konica Corporation
    Inventors: Shinri Tanaka, Michiko Nagato
  • Patent number: 5985529
    Abstract: A silver halide light sensitive motion picture photographic color print element is disclosed comprising a support bearing on one side thereof: a primary blue sensitive and secondary green and red sensitive yellow dye image-forming unit comprising at least one light sensitive silver halide emulsion layer having associated therewith yellow dye-forming coupler; a primary red sensitive and secondary green and blue sensitive cyan dye image-forming unit comprising at least one light sensitive silver halide emulsion layer having associated therewith cyan dye-forming coupler; and a primary green sensitive and secondary blue and red sensitive magenta dye image-forming unit comprising at least one light sensitive silver halide emulsion layer having associated therewith magenta dye-forming coupler; wherein the primary and secondary light sensitivities in each of the dye image-forming units result in ratios of the primary color linear sensitivity of the unit to the same color secondary linear sensitivity of each of the o
    Type: Grant
    Filed: December 23, 1998
    Date of Patent: November 16, 1999
    Assignee: Eastman Kodak Company
    Inventors: Mitchell J. Bogdanowicz, James P. Merrill, Charles P. Hagmaier
  • Patent number: 5981154
    Abstract: A silver halide color photographic material is disclosed which comprises a support and provided thereon, a first silver halide emulsion layer comprising at least one yellow image forming silver halide emulsion, a second silver halide emulsion layer comprising-at least one magenta image forming silver halide emulsion and a third silver halide emulsion layer comprising at least one cyan image forming silver halide emulsion, wherein at least one of said first, second and third silver halide emulsion layers further contains a fourth silver halide emulsion, each one of said first, second, third and fourth silver halide emulsions has a spectral sensitivity wavelength region at least six times higher than that in the wavelength region of the other three emulsions, and said fourth silver halide emulsion gives an optical density after development of 0.7 or more.
    Type: Grant
    Filed: September 29, 1997
    Date of Patent: November 9, 1999
    Assignee: Konica Corporation
    Inventors: Yasuo Tosaka, Susumu Ohkawachi, Masayuki Sasagawa
  • Patent number: 5972586
    Abstract: A silver halide color photosensitive material suitable for production of a color filter which comprises a polymer coupler comprising at least a yellow coupler monomer and a cyan coupler monomer. The photosensitive material provides a green image having excellent spectral transmission characteristics and fastness to heat and light.
    Type: Grant
    Filed: March 20, 1998
    Date of Patent: October 26, 1999
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yuki Mizukawa, Tatsuya Igarashi, Hiroyuki Hirai
  • Patent number: 5965338
    Abstract: This invention contemplates a multilayer, multicolor photographic element comprising a support, a plurality of dye-forming hydrophilic colloid containing silver halide emulsion layers which are spectrally sensitized to different regions of the visible spectrum including at least one blue-sensitive emulsion layer, a green-sensitive emulsion layer, and a red-sensitive emulsion layer wherein the topmost silver halide emulsion layer has a water swell percentage which is greater than any other light-sensitive emulsion layer.
    Type: Grant
    Filed: March 13, 1998
    Date of Patent: October 12, 1999
    Assignee: Eastman Kodak Company
    Inventors: Gary W. Visconte, Alfred B. Fant, Yongcai Wang
  • Patent number: 5962205
    Abstract: The present invention provides a silver halide color photographic light-sensitive material which has a high sensitivity and a high image quality, and a method and apparatus for forming an image by use of the light-sensitive material. The light-sensitive material comprises a support having provided thereon three light-sensitive units each having a different color-sensitivity, wherein one of the light-sensitive units is a white-sensitive unit having a spectral sensitivity distribution satisfying the following conditions. The method and apparatus for forming images using the material, in which the material is imagewise-exposed and subject to processing, thereby forming an image, the image is read out by an image pick-up means, then subjected to digital image processing, and three or more color output signals are obtained.0.05.ltoreq.S.sub.450 /S.sub.550 .ltoreq.1.2 and 0.05.ltoreq.S.sub.600 /S.sub.550 .ltoreq.1.2 wherein S.sub.450, S.sub.550 and S.sub.
    Type: Grant
    Filed: October 7, 1997
    Date of Patent: October 5, 1999
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Jun Arakawa, Tooru Matama
  • Patent number: 5962206
    Abstract: A photographic element comprises a support bearing two or more silver halide emulsion image-forming layers each containing ultrathin tabular grains or a support bearing at least three image-forming layers for forming images of different color in which at least one of the layers contains ultrathin tabular grains, wherein the imaging silver contained in the total of all the image-forming layers of the element is as described in subparts (1), (2) and (3):(1) ultrathin tabular grains, having a thickness of less than 0.07 microns, comprise at least 25 wt % of the total imaging silver content of subparts (1), (2), and (3);(2) (a) tabular grains of thickness at least 0.10 microns and (b) non-tabular grains having an ECD of at least 0.15 microns and less than 0.70 microns, comprise not more than 50 wt % of the total imaging silver content of subparts (1), (2), and (3); and(3) tabular grains having a thickness of at least 0.07 microns and a thickness less than 0.
    Type: Grant
    Filed: February 2, 1996
    Date of Patent: October 5, 1999
    Assignee: Eastman Kodak Company
    Inventor: Jeffrey Louis Hall
  • Patent number: 5958661
    Abstract: The invention relates to a color photographic element comprising a red light sensitive layer comprising a cyan dye forming coupler, a green light sensitive layer comprising a magenta dye forming coupler, a blue light sensitive layer comprising a yellow dye forming coupler, wherein said magenta dye forming coupler comprises ##STR1## wherein R.sub.a and R.sub.b independently represent H or a substituent; X is hydrogen or a coupling-off group; and Z.sub.a, Z.sub.b, and Z.sub.c are independently a substituted methine group, .dbd.N--, .dbd.C--, or --NH--, provided that one of either the Z.sub.a --Z.sub.b bond or the Z.sub.b --Z.sub.c bond is a double bond and the other is a single bond, and when the Z.sub.b --Z.sub.c bond is a carbon--carbon double bond, it may form part of an aromatic ring, and at least one of Z.sub.a, Z.sub.b, and Z.sub.c represents a methine group connected to the group R.sub.
    Type: Grant
    Filed: July 15, 1997
    Date of Patent: September 28, 1999
    Assignee: Eastman Kodak Company
    Inventors: John B. Rieger, Alphonse D. Camp, Michael R. Roberts, Thomas A. Chuhta
  • Patent number: 5932401
    Abstract: Silver halide photographic elements which are capable of producing reversal images are disclosed including a substantially non-image forming overcoat or intercoat layer comprising an image forming emulsion and a non-image forming emulsion. The combination of imaging emulsion and nonimaging emulsion in a substantially non-image forming overcoat or intercoat layer results in an increase in interlayer interimage effects.
    Type: Grant
    Filed: August 21, 1997
    Date of Patent: August 3, 1999
    Assignee: Eastman Kodak Company
    Inventor: Keath T. Chen