Silver Compound Sensitizer Containing Patents (Class 430/564)
  • Patent number: 8133665
    Abstract: Disclosed is a silver halide photographic photosensitive material which includes a support and at least one silver halide photosensitive layer on the support, wherein the average equivalent sphere diameter of the silver halide of the silver halide photosensitive layer is 0.30 ?m or less, the silver halide photosensitive layer includes four or more kinds of silver halide grains having mutually different average equivalent sphere diameters, and the thickness between a surface of the support at a side at which the silver halide photosensitive layer is provided and a surface of the silver halide photosensitive layer at a side opposite to the support is 10 ?m or less.
    Type: Grant
    Filed: September 18, 2009
    Date of Patent: March 13, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Yoichi Hosoya, Naoharu Kiyoto, Junichiro Hosokawa, Masaaki Miki, Kouichi Yokota, Ryoji Nishimura
  • Patent number: 8043800
    Abstract: A photosensitive material for forming a conductive film including a silver salt-containing emulsion layer, and a conductive layer containing conductive fibers, wherein the amount of the conductive fibers in the conductive layer is 0.005 g/m2 to 0.2 g/m2.
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: October 25, 2011
    Assignee: FUJIFILM Corporation
    Inventor: Kenji Naoi
  • Patent number: 7943291
    Abstract: A photosensitive material for forming a conductive film having a support, a silver salt-containing emulsion layer over the support, and one or more optional layers formed over the support or the silver salt-containing emulsion layer side of the support, wherein any one of the silver salt-containing emulsion layer or the optional layer(s) contains conductive fine particles and a binder, and the ratio by mass of the conductive fine particles to the binder (the conductive fine particles/the binder) is from 1/33 to 1.5/1.
    Type: Grant
    Filed: June 24, 2009
    Date of Patent: May 17, 2011
    Assignee: Fujifilm Corporation
    Inventors: Tsukasa Tokunaga, Akira Ichiki, Yuichi Shirasaki
  • Patent number: 7527923
    Abstract: A silver halide color photographic light-sensitive material, having photographic constituting layers including, on a support, at least one blue-sensitive layer containing a silver halide emulsion, at least one green-sensitive layer containing a silver halide emulsion, at least one red-sensitive layer containing a silver halide emulsion, and at least one hydrophilic colloidal layer, in which a silver chloride content is 95 mol % or more and a silver iodide content is from 0.05 to 0.3 mol % in the silver halide emulsion of the red-sensitive layer, and in which the difference between spectral sensitivities at wavelength of 685 nm and 590 nm is from 1.2 to 2.5 log E or the difference between spectral sensitivities at wavelength of 660 nm and 590 nm is 0.8 to 2.0 log E, for a distribution of the spectral sensitivities when the material is exposed to lights equal in energy at each wavelength.
    Type: Grant
    Filed: September 29, 2005
    Date of Patent: May 5, 2009
    Assignee: FUJIFILM Corporation
    Inventor: Shinji Ikari
  • Publication number: 20090017277
    Abstract: A photosensitive material includes a support and an emulsion layer containing a silver salt emulsion, the photosensitive material is capable of forming a conductive metal film by exposing and developing the emulsion layer, wherein the emulsion layer has a swelling rate of 150% or more.
    Type: Application
    Filed: May 26, 2006
    Publication date: January 15, 2009
    Applicant: FUJIFILM CORPORATION
    Inventor: Shinichi Nakahira
  • Patent number: 7435461
    Abstract: A cellulose acylate film is provided that includes a cellulose acylate that satisfies the degrees of substitution below, and a hydrolysis-condensation product of a hydrolyzable and polycondensable reactive metal compound. 2.5?A+B?3.0 0?A?2.95 (In the expressions, A denotes the degree of substitution by acetyl, and B denotes the total of the degrees of substitution by acyl groups other than acetyl). There is also provided a process for producing the cellulose acylate film, the process including a step of preparing a solution that includes the cellulose acylate above, an oligomeric hydrolysis-condensation product of a hydrolyzable and polycondensable reactive metal compound, and a solvent, a step of casting the solution on a support, and a step of forming a film by removing the solvent and drying.
    Type: Grant
    Filed: February 18, 2005
    Date of Patent: October 14, 2008
    Assignee: Fujifilm Corporation
    Inventors: Toyohisa Oya, Hirohisa Hokazono
  • Publication number: 20080241762
    Abstract: A photothermographic material including at least a photosensitive silver halide, a non-photosensitive organic silver salt, and a reducing agent for thermal development, and further including at least two dyes having maximum absorption wavelengths different from each other, wherein the difference between the maximum absorption wavelengths is from 10 nm to 50 nm, a maximum absorption wavelength of a first dye corresponds to a wavelength of a first laser for imagewise exposure, and a maximum absorption wavelength of a second dye corresponds to a wavelength of a second laser for imagewise exposure. Moreover, an image forming method using a sheet of the photothermographic material, wherein a part of the sheet is imagewise exposed using a laser while another part of the sheet that has already been imagewise exposed is thermally developed, and a distance between the exposure portion and thermal developing portion is 50 cm or less, is provided.
    Type: Application
    Filed: February 14, 2008
    Publication date: October 2, 2008
    Applicant: FUJIFILM CORPORATION
    Inventor: Kouta Fukui
  • Publication number: 20080145800
    Abstract: Use of a combination of a trisphenol reducing agent (developer) and a substituted olefinic co-developer in photothermographic materials provides a number of improvements including a reduction of sensitivity to high humidity and improved processing latitude.
    Type: Application
    Filed: April 16, 2007
    Publication date: June 19, 2008
    Inventors: Chaofeng Zou, Fong Vang, Doreen C. Lynch, William D. Ramsden, Sharon M. Simpson, Kumars Sakizadeh
  • Publication number: 20080124664
    Abstract: A silver halide color photographic light-sensitive material, having photographic constituting layers including, on a support, at least one blue-sensitive layer containing a silver halide emulsion, at least one green-sensitive layer containing a silver halide emulsion, at least one red-sensitive layer containing a silver halide emulsion, and at least one hydrophilic colloidal layer, in which a silver chloride content is 95 mol % or more and a silver iodide content is from 0.05 to 0.3 mol % in the silver halide emulsion of the red-sensitive layer, and in which the difference between spectral sensitivities at wavelength of 685 nm and 590 nm is from 1.2 to 2.5 log E or the difference between spectral sensitivities at wavelength of 660 nm and 590 nm is 0.8 to 2.0 log E, for a distribution of the spectral sensitivities when the material is exposed to lights equal in energy at each wavelength.
    Type: Application
    Filed: September 29, 2005
    Publication date: May 29, 2008
    Applicant: Fujifilm Corporation
    Inventor: Shinji Ikari
  • Patent number: 7323294
    Abstract: A color photographic material is disclosed comprising a black image forming coupler substituted in the 2, 4 and/or 6 position shown by formula (I) or formula (II), where in LINK represents a divalent linking group, BALL represents a group that prevents the coupler from diffusing away from the layer containing it. X and Y each represent a hydrogen atom or a coupling-off group capable of being released upon an oxidative coupling reaction with a developing agent. The material has a good color reproduction and excellent light stability.
    Type: Grant
    Filed: October 11, 2005
    Date of Patent: January 29, 2008
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Huibert Albertus van Boxtel, Akira Kase, Yasuo Iwasa, Yuzo Toda
  • Patent number: 7153642
    Abstract: A high silver iodide photographic emulsion is provides, which has a high sensitivity and a narrow size distribution, and is a photosensitive silver halide photographic emulsion having a silver iodide content of 90 mol % or more, wherein the average grain size (R) and the average crystallite size (r) of silver halide emulsion grains in the emulsion satisfy the relationship of 1?R/r<2.
    Type: Grant
    Filed: October 10, 2003
    Date of Patent: December 26, 2006
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Satoshi Aiba, Tadaaki Tani, Toshio Tsukada
  • Patent number: 7112398
    Abstract: This invention relates to an imaging element comprising an imaging layer having associated therewith a compound of Structure I: wherein: the substituents are as defined in the application.
    Type: Grant
    Filed: January 9, 2004
    Date of Patent: September 26, 2006
    Assignee: Eastman Kodak Company
    Inventors: Wojciech K. Slusarek, Xiqiang Yang, Mark E. Irving, David H. Levy, Jared B. Mooberry, James J. Seifert, James H. Reynolds, Lyn M. Irving
  • Publication number: 20040224266
    Abstract: A photothermographic imaging material having high sensitivity and superior temporal storage stability. The photothermographic imaging material includes silver halide on at least one side of a support, and includes at least one kind of the compounds represented by the following general formula (1).
    Type: Application
    Filed: March 24, 2004
    Publication date: November 11, 2004
    Applicant: Konica Minolta Medical & Graphic, Inc.
    Inventors: Kiyoshi Fukusaka, Kazuaki Nakamura, Ryouhei Iwamoto, Norio Miura, Nobuaki Kagawa, Soc Man Ho Kimura
  • Publication number: 20040202971
    Abstract: A silver halide emulsion which exhibits high sensitivity, high contrast, little sensitivity variation with humidity conditions at the time of exposure, and excellent reciprocity law properties at high illumination intensities. Also, a method of preparing the emulsion in a stable manner, and a silver halide color photographic photosensitive material and an image forming method that use the emulsion. The emulsion includes a mesoionic compound having a thiolate structure or a protonated thiolate structure, and the emulsion is sensitized by an Au (III) compound. The emulsion preferably contains an oxidatively dimerized form of a mesoionic compound having a thiolate structure, and a silver chloride content of at least 90 mol %.
    Type: Application
    Filed: December 18, 2003
    Publication date: October 14, 2004
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Hirotomo Sasaki, Hideki Maeta, Naoto Ohshima
  • Publication number: 20040191778
    Abstract: The present invention provides a simple one pot method for preparing colloidal silver-biomolecule complexes. The complexes are formed in solution by mixing a biomolecule with appropriate amounts of a silver salt and a source of halide ions. The mixture is subsequently irradiated with light having a wavelength in the visible region. Silver colloid formation and complex formation occur simultaneously and interdependently. The present invention also provides solutions that include the inventive complexes, kits for preparing these, and methods of using the inventive complexes.
    Type: Application
    Filed: March 28, 2003
    Publication date: September 30, 2004
    Inventor: Seiji Inaoka
  • Patent number: 6770412
    Abstract: The invention provides black and white silver halide material for optical contact copying, comprising: at least one photographic emulsion layer including a silver-halide-containing matrix in which the matrix includes a polymer and a hydrophilic binder, wherein the ratio of the weight of silver in the emulsion layer to the weight of polymer in the emulsion layer per unit area is less than 2.0. The photographic material is suitable for use in optical contact copying providing reduced contact gain compared to that provided by conventional photographic material.
    Type: Grant
    Filed: June 24, 2002
    Date of Patent: August 3, 2004
    Assignee: Eastman Kodak Company
    Inventors: Colin J. Gray, Christopher B. Rider
  • Patent number: 6759187
    Abstract: This invention relates to an imaging element comprising an imaging layer having associated therewith a compound of Structure I: wherein: the substituents are as defined in the application.
    Type: Grant
    Filed: July 11, 2000
    Date of Patent: July 6, 2004
    Assignee: Eastman Kodak Company
    Inventors: Wojciech K. Slusarek, Xiqiang Yang, Mark E. Irving, David H. Levy, Jared B. Mooberry, James J. Seifert, James H. Reynolds, Lyn M. Irving
  • Patent number: 6756192
    Abstract: This invention relates to an imaging element comprising an imaging layer having associated therewith a compound of Structure I: wherein: the substituents are as defined in the application.
    Type: Grant
    Filed: December 30, 1999
    Date of Patent: June 29, 2004
    Assignee: Eastman Kodak Company
    Inventors: Wojciech K. Slusarek, Xiqiang Yang, Mark E. Irving, David H. Levy, Jared B. Mooberry, James J. Seifert, James H. Reynolds, Lyn M. Irving
  • Publication number: 20040076913
    Abstract: A high silver iodide photographic emulsion is provides, which has a high sensitivity and a narrow size distribution, and is a photosensitive silver halide photographic emulsion having a silver iodide content of 90 mol % or more, wherein the average grain size (R) and the average crystallite size (r) of silver halide emulsion grains in the emulsion satisfy the relationship of 1≦R/r<2.
    Type: Application
    Filed: October 10, 2003
    Publication date: April 22, 2004
    Inventors: Satoshi Aiba, Tadaaki Tani, Toshio Tsukada
  • Publication number: 20040067456
    Abstract: A processing method has been provided for an exposed silver halide black-and-white negative working sound recording film element, said processing method comprising the steps of processing said sound recording film element in a processing apparatus providing processing ability in a daylight environment, said processing method comprising the steps of developing in a time of less than 20 seconds; fixing in a fixer; rinsing and drying; making use of an automatic processing machine, the mentioned processing steps being followed by a step of controlling black-and-white densitometry, therefor providing the processing machine with a densitometer; further recording in a motion picture color print film and processing therein image area frames originating from an exposed and processed color negative recording film and from (an) optical soundtrack(s) originating from a silver halide black-and-white negative working sound recording film element, wherein said film element has been processed, after having been exposed, by t
    Type: Application
    Filed: September 30, 2003
    Publication date: April 8, 2004
    Inventor: Jean Burtin
  • Publication number: 20040053164
    Abstract: An image recording material comprising: a substrate; an electronic element layer comprising an electronic element capable of radio communicating on the substrate; a white pigment-containing layer containing a white pigment on the electronic element layer; and an image forming layer on the white pigment-containing layer, herein, in the white pigment layer, a variation coefficient S/R of a ratio of a white pigment-occupying area per unit area is 0.25 or less, S is a standard deviation of the ratio and R is an average value of the ratio.
    Type: Application
    Filed: September 8, 2003
    Publication date: March 18, 2004
    Applicant: Konica Corporation
    Inventor: Toyoki Nishijima
  • Patent number: 6610467
    Abstract: There is disclosed a silver halide photographic emulsion comprising silver halide grains, wherein 50% or more of the projected area of the silver halide grains to be contained is occupied by tabular grains having an aspect ratio of 2 or more and a grain thickness of 0.2 &mgr;m or less, with the tabular grains each having a phase with the content of silver bromide being 10% or more, and wherein in the phase, the tabular grains each contain a metal complex dopant in an amount necessary to increase the density of a dislocation. This emulsion produces high contrast and better granularity while it has high sensitivity. Further, there is also disclosed a silver halide photographic emulsion, wherein the average equivalent-circle diameter of the total tabular grains among the silver halide grains contained is 2.0 to 4.0 &mgr;m, and the tabular grains contain at least one metal complex having, as a ligand, a heterocyclic compound in a number more than half of the coordination number of the metal atom.
    Type: Grant
    Filed: September 17, 2001
    Date of Patent: August 26, 2003
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Masahiro Asami, Makoto Kikuchi, Tadanobu Sato
  • Patent number: 6534226
    Abstract: This invention comprises an imaging element comprising an imaging layer having associated therewith a compound of Structure I: In the above Structure I, the substituents are as defined in the application. Such compounds have good reactivity and can by used to block photographically useful compounds such as developing agents until thermally activated under preselected conditions. Compounds according to the present invention are especially useful in color photothermographic imaging elements.
    Type: Grant
    Filed: November 20, 2000
    Date of Patent: March 18, 2003
    Assignee: Eastman Kodak Company
    Inventors: Zbyslaw R. Owczarczyk, David T. Southby, Xiqiang Yang
  • Patent number: 6521389
    Abstract: A silver halide photographic light-sensitive material, which contains at least one compound of the formula (1): Formula (1) wherein PUG represents a nitrogen-containing heterocyclic group which is bonded to the adjacent carbonyl group through a nitrogen atom, the heterocyclic group directly or indirectly has at least one nitro group as its substituent(s) and can give a pKa value of 9 to 11, ph represents a phenyl group and directly or indirectly has at least one dissociating group as its substituent(s), Z represents a substituent being capable of substitution on the benzene ring, and p is 0 to 4.
    Type: Grant
    Filed: August 10, 2001
    Date of Patent: February 18, 2003
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kohzaburoh Yamada, Masahiko Taniguchi, Takashi Hoshimiya, Hirokazu Kyota, Toshihide Ezoe, Shoji Yasuda
  • Patent number: 6506546
    Abstract: This invention comprises an imaging element comprising an imaging layer having associated therewith a compound of Structure I: wherein PUG is a photographically useful group; LINK 1 and LINK 2 are linking groups; TIME is a timing group; T represents t independently selected substituted or unsubstituted alkyl or aryl groups, t is 0, 1, or 2 and if t is 2, the T groups can form a ring; HET is a heterocyclic group which optionally can form a ring with a T group; R12 is hydrogen, substituted or unsubstituted alkyl or substituted or unsubstituted aryl, or R12 can form a ring with a T group or with HET; 1 is 0 or 1; m is 0, 1, or 2; and n is 0 or 1.
    Type: Grant
    Filed: December 30, 1999
    Date of Patent: January 14, 2003
    Assignee: Eastman Kodak Company
    Inventors: Zbyslaw R. Owozarczyk, Xiqiang Yang, David T. Southby
  • Patent number: 6458523
    Abstract: New compounds of the formula I are described, wherein n is >1; X is O or NR4; L is a n-valent linking group defined in claim 1 and R1 is H, halogen, C1-C25-alkyl, C3-C25-alkenyl, unsubstituted or by C1-C4-alkyl substituted C5-C8-cycloalkyl; R2 and R3 independently of each other are C1-C4-alkyl, or together with the carbon atom they are bonded to, form a carbocyclic C5-C7 ring, especially C5-C7 cycloalkylene; and m is 1-20, especially 2-4. Compounds of the formula I are active as Dox-scavengers in color photographic material.
    Type: Grant
    Filed: January 7, 2002
    Date of Patent: October 1, 2002
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Suruliappa Gowper Jeganathan, Stéphane Biry
  • Patent number: 6440618
    Abstract: This invention relates to an imaging element comprising an imaging layer having associated therewith a compound of Structure I: In the above Structure I, the substituents are as defined in the application, wherein B is a six-membered heteroaromatic ring. Such compounds have good reactivity and can by used to block photographically useful compounds such as developing agents until thermally activated under preselected conditions. Compounds according to the present invention are especially useful in color photothermographic imaging elements.
    Type: Grant
    Filed: November 13, 2000
    Date of Patent: August 27, 2002
    Assignee: Eastman Kodak Company
    Inventors: Wojciech K. Slusarek, Xiqiang Yang, David H. Levy
  • Patent number: 6436624
    Abstract: A method for reducing dye stain of an exposed photographic element, said element comprising a support having thereon at least one image-forming layer containing a photobleachable dye, the method comprising processing the element, and exposing the processed element, in presence of a N-oxyazinium, to radiation that can be absorbed either by the photobleachable dye or by the N-oxyazinium.
    Type: Grant
    Filed: December 4, 2000
    Date of Patent: August 20, 2002
    Assignee: Eastman Kodak Company
    Inventors: Samir Y. Farid, Ramanuj Goswami, Mary E. Craver, John M. Mangus
  • Patent number: 6426179
    Abstract: This invention relates to an imaging element, such as a photographic or photothermographic element comprising a silver halide emulsion layer, wherein the element also comprises a compound of Structure I: wherein the substituents are as defined in the specification.
    Type: Grant
    Filed: December 30, 1999
    Date of Patent: July 30, 2002
    Assignee: Eastman Kodak Company
    Inventors: Wojciech K. Slusarek, Xiqiang Yang, Mark E. Irving, David H. Levy
  • Patent number: 6383711
    Abstract: A high contrast photographic material comprises a support bearing a silver halide emulsion layer, containing in the emulsion layer or in an adjacent hydrophilic layer, a hydrazide nucleating agent characterized in that the emulsion layer contains silver halide grains of octahedral character which are spectrally sensitized and silver halide grains which are not octahedral in character eg cubic. Preferably only the grains which are octahedral in character are spectrally sensitized. Preferably the emulsion layer or an adjacent hydrophilic colloid layer contains a booster compound eg an amine rendering the material developable in a developer solution having a pH below 11. Preferably both types of grain are chemically sensitized. The use of tabular grains as causer emulsions enhances the absorption characteristics of the dyes so that as well as providing high photographic sensitivity the dye peaks are broadened.
    Type: Grant
    Filed: August 21, 2000
    Date of Patent: May 7, 2002
    Assignee: Eastman Kodak Company
    Inventors: Jurjen F. Winkel, Michael B. Ledger
  • Patent number: 6348293
    Abstract: A radiographic film material is described including a transparent film support having first and second major surfaces coated with a subbing layer, optionally overcoated with an antihalation undercoat. Coated adjacent on each side of the film support is a light-sensitive silver halide emulsion overcoated with a protective antistress layer. The emulsion layer has chemically and spectrally sensitized {111} tabular hexagonal grains or crystals, having silver iodide in an amount of at most 3 mole %, based on silver, covering at least 50% of the total projective surface of all grains, having an average grain thickness of less than 0.30 &mgr;m. The antistress layer, or the optional antihalation undercoat or both includes a N-amino mercapto-triazole compound containing one or more alkali soluble group(s). A radiographic screen/film combination is also described including the film material.
    Type: Grant
    Filed: November 20, 2000
    Date of Patent: February 19, 2002
    Assignee: Agfa-Gevaert
    Inventors: Ann Verbeeck, Johan Loccufier, Govert De Baecke, Freddy Henderickx, Heinrich Odenwälder
  • Patent number: 6342338
    Abstract: A black-and-white silver halide photographic film material, particularly suitable for use in radiography, has been disclosed, said material comprising a transparent film support having first and second major surfaces coated with a subbing layer, further coated adjacent thereto on one side (for a single-side coated material) or on both sides (for a duplitized material) of said film support and overcoated with a protective antistress layer, a light-sensitive silver halide emulsion layer having chemically and spectrally sensitized {111} tabular hexagonal grains, accounting for at least 50% of the total projective surface of all grains, wherein said film material is coated with a low amount of silver and wherein said protective antistress layer(s)and/or another hydrophilic non-light-sensitive layer comprise(s) a compound according to general formula (I) in an amount of at least 0.5 mmole per mole of coated silver halide, as claimed.
    Type: Grant
    Filed: November 14, 2000
    Date of Patent: January 29, 2002
    Assignee: Agfa-Gevaert
    Inventors: Ann Verbeeck, Govert Wim De Baecke, Johan August Loccufier, Freddy Henderickx
  • Patent number: 6319640
    Abstract: This invention relates to an imaging element comprising an imaging layer having associated therewith a compound of Structure I: In the above Structure I, the substituents are as defined in the application. Such compounds have good reactivity and can by used to block photographically useful compounds such as developing agents until thermally activated under preselected conditions. Compounds according to the present invention are especially useful in color photothermographic imaging elements.
    Type: Grant
    Filed: November 13, 2000
    Date of Patent: November 20, 2001
    Assignee: Eastman Kodak Company
    Inventors: Wojciech K. Slusarek, Xiqiang Yang, David H. Levy
  • Publication number: 20010034385
    Abstract: A hydrophobically capped oligomeric acrylamide or pyrrolidone is employed as a dispersant for hydrophobic materials in an aqueous medium containing a hydrophilic colloid, e.g. gelatin. The hydrophobic materials include photographic addenda such as color couplers or solid particle dyes.
    Type: Application
    Filed: January 26, 2001
    Publication date: October 25, 2001
    Applicant: Eastman Kodak Company
    Inventors: Alan R. Pitt, Trevor J. Wear, Danuta Gibson, Ian M. Newington, Mary C. Brick, John W. Boettcher, Gary N. Barber
  • Patent number: 6306551
    Abstract: This invention relates to an imaging element comprising an imaging layer having associated therewith a compound of Structure I: wherein the substituents are as defined in the specification.
    Type: Grant
    Filed: December 30, 1999
    Date of Patent: October 23, 2001
    Assignee: Eastman Kodak Company
    Inventors: Zbyslaw R. Owczarczyk, Xiqiang Yang, David H. Levy, Mark E. Irving
  • Patent number: 6127105
    Abstract: A photographic silver halide material is disclosed which comprises a support and on one or both sides thereof at least one silver halide emulsion layer and a protective antistress layer of hydrophilic colloid and which comprises in an outermost layer on the side(s) containing at least one emulsion layer a polyoxyalkylene compound as an antistatic agent, characterized in that said antistress layer comprises at least one synthetic clay. In addition to the preservation of antistatic properties after processing of the said material an improvement in surface glare as appreciated upon examination of medical X-ray films is obtained. Moreover the occurrence after processing of water spot defects and sticking is avoided.
    Type: Grant
    Filed: September 12, 1994
    Date of Patent: October 3, 2000
    Assignee: AGFA-Gevaert, N.V.
    Inventor: Hubert Vandenabeele
  • Patent number: 6124042
    Abstract: A polyester film which has the in-plane rate of dimensional change of more than 0.02%, but not more than 0.05%, when the film is kept for 72 hours under the conditions of temperature 60.degree. C. and relative humidity 80%, and the average value of the in-plane rate of dimensional change of from -0.07% to 0.03% and the in-plane anisotropy of the in-plane rate of dimensional change of from 0% to 0.08%, when the film is kept for 30 minutes at a temperature of 105.degree. C. This polyester film is low in heat shrinkage and excellent in thermal dimensional stability. A heat-development, photographic light-sensitive material using the polyester film is low in heat shrinkage and excellent in thermal dimensional stability.
    Type: Grant
    Filed: February 4, 1999
    Date of Patent: September 26, 2000
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Kiyokazu Hashimoto
  • Patent number: 5989797
    Abstract: A light-sensitive silver halide photographic material and a method for preparing said material is provided, wherein said material comprises a support and on one or both sides thereof at least one silver halide emulsion layer and a protective antistress layer as an outermost layer, characterized in that said silver halide emulsion layer(s) and/or said protective antistress layer comprise(s) at least one zeolite loaded with a photographically useful group. Said photographically useful group is a soluble salt, an organic compound releasing chloride, bromide or iodide, a sulfur salt, a selenium salt, a tellurium salt and/or a metal salt of group VIII.
    Type: Grant
    Filed: October 7, 1998
    Date of Patent: November 23, 1999
    Assignee: Agfa-Gevaert, N.V.
    Inventor: Hubert Vandenabeele
  • Patent number: 5958634
    Abstract: In a structure for making a display that forms images including a transparent substrate having first and second surfaces; a light sensitive conductive layer provided over the first surface of the transparent substrate and patternable to form conductive traces; and an array which can produce a colored image.
    Type: Grant
    Filed: October 30, 1997
    Date of Patent: September 28, 1999
    Assignee: Eastman Kodak Company
    Inventor: Stanley W. Stephenson
  • Patent number: 5858581
    Abstract: A method of fabricating a display having light sensitive conductive traces, including providing first and second light sensitive layers respectively over both sides of an electrically sensitive light modulating layer, the first and second light sensitive layers being conductive and patternable; patterning the first light sensitive layer to a first wavelength of radiation to form first conductive traces; and patterning the second light sensitive layer to a second wavelength of radiation to form second conductive traces.
    Type: Grant
    Filed: December 15, 1997
    Date of Patent: January 12, 1999
    Assignee: Eastman Kodak Company
    Inventor: Stanley W. Stephenson
  • Patent number: 5817450
    Abstract: An emulsification and dispersion method of a hydrophobic, photographically useful compound comprising dispersing a water-insoluble phase containing the hydrophobic, photographically useful compound in water or in a hydrophilic colloid composition, wherein the water-insoluble phase at a temperature at which the prepared dispersion is stored may have a viscosity of from 100 poise or more to less than 1,000,000 poise at the shear rate of 10 sec.sup.-1. According to the present invention, a silver halide photographic material comprising a fine dispersion of a hydrophobic, photographically useful compound and having an excellent production suitability can be obtained.
    Type: Grant
    Filed: February 22, 1996
    Date of Patent: October 6, 1998
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Naoyuki Kawanishi, Masataka Ogawa, Atsushi Hayakawa, Kazuhiko Fujiwara
  • Patent number: 5763145
    Abstract: The invention provides a multicolor photographic element comprising a support bearing at least two silver halide emulsion layers having different sensitivities to blue light, a silver halide emulsion layer sensitive to green light, and a silver halide emulsion layer sensitive to red light, wherein:(1) the element comprises a compound of formula (I): ##STR1## wherein R.sub.1 and R.sub.2, independently represent H, an alkyl group or an aryl group, provided that R.sub.1 and R.sub.2 may be joined to form a ring;R.sub.3 is selected from the group consisting of H, alkyl, aryl, and acyl groups;R.sub.4 and R.sub.5 are independently selected from the group consisting of H, OH, alkyl, and aryl groups;n is 1 or 2;and(2) the silver halide emulsion layer of the element that is most sensitive to blue light contains a silver halide grain population such that from 3 to 20 wt % of the total silver halide grains in the emulsion layer have a size (equivalent circular diameter) less than 0.2 micrometers.
    Type: Grant
    Filed: November 27, 1996
    Date of Patent: June 9, 1998
    Assignee: Eastman Kodak Company
    Inventor: Hans G. Ling
  • Patent number: 5763146
    Abstract: The invention relates to a silver halide photographic emulsion comprising silver halide grains and the reductone of Formula I ##STR1## wherein R.sub.1 and R.sub.2 are the same or different, and may represent H, alkyl, cycloalkyl, aryl, or an alkyl group with a solubilizing group such as --OH, sulfonamide, sulfamoyl, or carbamoyl, R.sub.1 and R.sub.2 may be joined to complete a heterocyclic ring such as aziridinyl, azetidinyl, pyrrolidinyl, piperidinyl, morpholinyl, piperazinyl, or pyridinyl, R.sub.4 and R.sub.5 are H, OH, alkyl, aryl, cycloalkyl, or may together represent an alkylidene group, n is 1 or 2 and R.sub.3 is H, alkyl, aryl, or CO.sub.2 R.sub.6 where R.sub.6 is alkyl, andwherein the logarithm of the partition coefficient for the reductone when equilibrated as a solute between n-octanol and water (logP) is less than 0.293.
    Type: Grant
    Filed: March 10, 1997
    Date of Patent: June 9, 1998
    Assignee: Eastman Kodak Company
    Inventors: James H. Reynolds, Steven P. Szatynski, Jeffrey L. Hall, Norma B. Platt
  • Patent number: 5719011
    Abstract: Compounds of the formula I are suitable as release compounds for photographically useful groups (photographic units). On reacting with nucleophilic reagents, preferably with dinucleophiles, the photographically useful group is released. ##STR1## In formula I: PUG means a photographically useful group;A means a strong electron acceptor;V means a vinylene group or two or more successive vinylene groups, wherein the vinylene group or two successive vinylene groups may form part of an aromatic ring system;L means one or more timing groups;m means 0 (zero) 1 or 2;n means 0 (zero), 1 or 2;R.sup.1 means H or methyl;R.sup.2 means H, alkyl with 1-18 C atoms or aryl;R.sup.3, R.sup.4 mean H or an organic group,wherein R.sup.2 and R.sup.3 may also together mean the residue necessary to complete a ring.
    Type: Grant
    Filed: October 9, 1996
    Date of Patent: February 17, 1998
    Assignee: Agfa-Gevaert AG
    Inventor: Erich Wolff
  • Patent number: 5691130
    Abstract: A color recording photographic element is disclosed containing a support and, superimposed on the support, blue, green and red recording layer units. The layer unit nearest the support contains a high chloride tabular grain emulsion and an optionally esterified glycolic ether having a molecular weight of at least 300 and containing at least one thioether moiety. The layer unit farthest from the support is free of the optionally esterified glycol compound. The advantages realized are an increased imaging density range, increased sensitivity, and increased contrast.
    Type: Grant
    Filed: November 28, 1995
    Date of Patent: November 25, 1997
    Assignee: Eastman Kodak Company
    Inventors: Lois Ann Buitano, Richard Peter Szajewski
  • Patent number: 5691125
    Abstract: There is disclosed a silver halide color photographic material having a red-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer, a blue-sensitive silver halide emulsion layer, which comprises a cyan dye-forming coupler represented by formula (I) and (a) a monodisperse silver halide emulsion, (b) non-photosensitive silver halide emulsion wherein the inside or the surface of grains is fogged, (c) a colloidal silver, (d) negative-type interval latent image-type silver halide grains chemically sensitized to a defined depth from the surface, (e) a sensitizing dye containing a sulfonamide group, (f) three separated layers of high, medium, and low sensitivities, (g) two separated layers each having different content of iodine, (h) grains each having a defined spectral sensitivity distribution and a DIR-hydroquinone, or (i) a DIR-hydroquinone: formula (I) ##STR1## wherein R.sup.1 represents a hydrogen atom or a substituent, R.sup.
    Type: Grant
    Filed: June 19, 1996
    Date of Patent: November 25, 1997
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Takefumi Hara, Kazuyoshi Yamakawa, Sadanobu Shuto, Mitsuru Yamamoto, Makoto Suzuki, Yasuhiro Shimada, Katsuro Nagaoka, Satoshi Nagaoka, Yoshihiko Shibahara, Hideo Ikeda
  • Patent number: 5631125
    Abstract: A photographic element is disclosed containing a compound capable of releasing image-wise a photographic useful group (PUG) based on a mechanism involving radical formation under development conditions and splitting of a homolytically labile bond. In a preferred embodiment the compound capable of releasing the PUG is a hydrazine derivative or a 1-aryl-3-pyrazolidinone derivative.
    Type: Grant
    Filed: February 29, 1996
    Date of Patent: May 20, 1997
    Assignee: Agfa-Gevaert, N.V.
    Inventors: Jean-Marie Dewanckele, Johan Loccufier, Pierre De Clercq, Dirk Van Haver, Noel Hosten
  • Patent number: 5567577
    Abstract: A photographic element comprising a support having located thereon at least one silver halide emulsion layer, the element containing a release compound that provides a non-imagewise distribution of a photographically active moiety, the release compound comprising a blocking group from which the photographically active moiety is released, the release compound further comprising a ballasting group other than a coupler moiety, and an aqueous solubilizing group, both the ballasting group and the aqueous solubilizing group being attached to the blocking group.
    Type: Grant
    Filed: October 5, 1995
    Date of Patent: October 22, 1996
    Assignee: Eastman Kodak Company
    Inventors: Thomas R. Welter, David A. Dickinson, Keath T. Chen
  • Patent number: 5567579
    Abstract: The present invention concerns a photographic product containing at least one light-sensitive layer consisting of a blend of silver halide emulsions.The blend of the invention is formed by at least one pure bromide emulsion, the proportion of fast emulsion grains in the blend is less than 50% compared with the total number of silver halide grains, and the proportion of slow emulsion grains in the blend is greater than 20%.The present invention makes it possible to obtain a radiation-sensitive photographic product which has improved sensitivity and granularity.
    Type: Grant
    Filed: April 28, 1995
    Date of Patent: October 22, 1996
    Assignee: Eastman Kodak Company
    Inventors: Luc R. Gourlaouen, Gerard A. D. Friour, Didier J. Martin, Philippe Strauel
  • Patent number: 5397687
    Abstract: The preparation of x-ray materials, especially suitable for non-destructive testing applications, is described. The emulsion layers of said material are comprising silver halide emulsion grains containing at least 75 mole % of silver chloride and less than 25 mole % of silver bromide and are characterized by a ratio between the amount of gelatin and the amount of silver halide, being expressed as the equivalent amount of silver nitrate, of less than 0.6. Hardening of said material is performed in such a way that the amount of demineralized water of 25.degree. C. absorbed in 3 minutes is less than 2.5 g per gram of gelatin present in said material. A rapid processing system is available with a total processing time of less than 3 minutes with a developer and fixer being substantially free from hardening agents and the fixer being substantially free from ammonium ions.
    Type: Grant
    Filed: December 14, 1993
    Date of Patent: March 14, 1995
    Assignee: Agfa-Gevaert, N.V.
    Inventors: Peter Willems, Freddy Henderickx, Gino De Rycke, Romain Bollen