Patents Examined by Patrick Doody
-
Patent number: 5064750Abstract: The invention discloses an improved method for processing a silver halide color photographic material wherein said material is imagewise exposed and then processed. The improvement comprises the use of a particular naphthol amido coupler together with a bleaching bath containing (diaminopropanetetraacetatoiron) (III) complex salt at a particular pH.Type: GrantFiled: August 4, 1989Date of Patent: November 12, 1991Assignee: Fuji Photo Film Co., Ltd.Inventor: Hideki Naito
-
Patent number: 5063134Abstract: A photosensitive composition contains a polymer having a unit represented by formula I, and a photosensitive agent: ##STR1## wherein each of R.sub.1 to R.sub.4 represents a hydrogen atom, an alkyl group, an alkoxyl group, or a substituted or non-substituted allyl group, at least one of R.sub.1 to R.sub.4 being an alkyl groups having 1 to 10 carbon atoms and containing silicon, l represents a positive integer, and each of a and b represents an integer from 1 to 3, and c represents an integer from 0 to 2, a+b+c not exceeding 4.Type: GrantFiled: January 2, 1990Date of Patent: November 5, 1991Assignee: Kabushiki Kaisha ToshibaInventors: Rumiko Horiguchi, Shuzi Hayase, Yasunobu Onishi
-
Patent number: 5055373Abstract: A multicolor recording material is disclosed, which comprises a support having provided thereon a coating layer comprising two or more kinds of microcapsules each containing at least a leuco dye capable of being colored by oxidation and a photo oxidizing agent outside said microcapsules, and a reducing agent as necessary components, with two or more leuco dyes capable of forming different colors from each other being retained in different kinds of said microcapusles respectively composed of walls of high polymers having different glass transition points.Type: GrantFiled: September 29, 1989Date of Patent: October 8, 1991Assignee: Fuji Photo Film Co., Ltd.Inventors: Keiso Saeki, Fumiaki Shinozaki, Toshiaki Endo
-
Patent number: 5028516Abstract: A method of forming an image comprising exposing, developing and fixing a laser scanner-utilizable silver halide photographic material which has at least one silver halide emulsion layer sensitized spectrally in an infrared region on one side of a support, said silver halide photographic material containing in at least one layer located on the emulsion layer side one or more of an additive selected from among:(1) surface active agents having a solubility of 0.005 wt % or more at 30.degree. C. in a developer and a surface tension of 45 dyne/cm or less (measured at 30.degree. C. in a condition of 1.0 wt % aqueous solution), and(2) polymers represented by the following general formula (I), and having a molecular weight of from 2,000 to 500,000:--X).sub.x (Y).sub.Type: GrantFiled: March 27, 1989Date of Patent: July 2, 1991Assignee: Fuji Photo Film Co., Ltd.Inventors: Yasuo Mukunoki, Naoki Arai, Kazuo Kagawa
-
Patent number: 5024909Abstract: Wavelength response of volume holograms is altered by contact with a dry film diffusion element.Type: GrantFiled: June 12, 1990Date of Patent: June 18, 1991Assignee: E. I. Du Pont de Nemours and CompanyInventors: William K. Smothers, Krishna C. Doraiswamy, Mark L. Armstrong
-
Patent number: 5017546Abstract: Phenol/aldehyde condensation products useful in the development of colored images from colorless dyes are disclosed. The phenol/aldehyde condensation products are produced by the interaction of an alkyl-substituted salicylic acid, an alkyl-substituted phenol, an aldehyde, and a metal source. The phenol/aldehyde condensation products are particularly useful in a photosensitive imaging system in which images are formed by the image-wise reaction of the developer with one or more chromogenic materials, and in carbonless copy paper systems.Type: GrantFiled: July 13, 1990Date of Patent: May 21, 1991Inventors: Karl M. Brinkman, John L. Sullivan, David R. Hanley
-
Patent number: 5013633Abstract: A method of preparing a color proof from a silver halide color photographic light-sensitive material and a black-and-white halftone dot image is disclosed, wherein said light-sensitive material has on a support the photographic component layers including silver halide emulsion layers each having different spectral sensitivities, and one of said silver halide emulsion layers comprises a magenta coupler represented by Formula M-I; ##STR1## wherein Z represents a group of non-metal atoms necessary to form a nitrogen-containing heterocyclic ring including a substituted one; X represents one selected from the group consisting of a hydrogen atom and a group capable of splitting off upon a reaction with an oxidized product of a developer; and R represents one selected from the group consisting of a hydrogen atom and a substituent.Type: GrantFiled: June 30, 1989Date of Patent: May 7, 1991Assignee: Konica CorporationInventors: Tomomi Yoshizawa, Keiji Ogi, Nariko Kimura
-
Patent number: 4994345Abstract: A method for making a color proof in a photo-mechanical process. The method comprises a step for exposing a silver halide color photographic light-sensitive material to light through a black-and-white halftone dot image, and a step for developing said silver halide color photographic light-sensitive material with a color developer. The photographic material is comprised of at least three silver halide emulsion layers which are different from each other in spectral sensitivity thereof, and at least one of these silver halide emulsion layers contains a specific yellow coupler and the color developer contains a specific color developing agent. A halftone color image having a color tone similar to that of image printed with printing inks can be obtained by the simplified process.Type: GrantFiled: June 5, 1989Date of Patent: February 19, 1991Assignee: Konica CorporationInventors: Tomomi Yoshizawa, Keiji Ogi, Nariko Kimura
-
Patent number: 4990431Abstract: The invention is performed by providing a first flow of water and surfactant, a second flow comprising solvent, base and photographic material, and mixing said first and second streams and either simultaneously or immediately following thereof neutralizing said streams to prevent hydrolysis of a hydrolyzable surfactant and/or premature precipitation of particles before neutralization. The streams then may be immediately treated for formation into photographic materials. In a preferred method the first and second stream may be brought together immediately prior to a mixer with addition of acid directly into the mixer to neutralize the dispersion of fine particles.Type: GrantFiled: January 17, 1989Date of Patent: February 5, 1991Assignee: Eastman Kodak CompanyInventors: Pranab Bagchi, James T. Beck, Lia A. Crede
-
Patent number: 4985347Abstract: A method for processing silver halide color photographic material is disclosed which comprises processing a silver halide color photographic material with a color developer containing substantially no sulfite ion and then processing the color photographic material with a solution having bleaching capability containing an aminopolycarboxylic acid having a molecular weight of at least 300.Type: GrantFiled: July 25, 1990Date of Patent: January 15, 1991Assignee: Fuji Photo Film Co., Ltd.Inventors: Hiroshi Fujimoto, Morio Yagihara, Takatoshi Ishikawa
-
Patent number: 4985339Abstract: A light-sensitive material comprises a light-sensitive layer containing a light-sensitive silver halide, a reducing agent and a polymerizable compound having an ethylenic unsaturated group which is provided on a support. The light-sensitive layer contains a polymer binder having an ethylenic unsaturated double bonding group in its side chain. The light-sensitive material is advantageously employable as a lithographic plate.Type: GrantFiled: July 11, 1988Date of Patent: January 15, 1991Assignee: Fuji Photo Film Co., Ltd.Inventors: Shigeo Koizumi, Yoshihide Hayakawa
-
Patent number: 4983504Abstract: A method for processing photographic silver halide color negative film and color negative paper each through its own color developing solutions wherein the paper color developing solution is replenished and the overflow from this replenished solution is used to replenish the film color developing solution and wherein (a) the color paper is based on substantially pure silver chloride emulsions and contains no more than 1% molar silver bromide based on total silver halide and (b) both color developing solutions and the replenisher are free from benzyl alcohol.Apparatus for carrying out the above-described method comprises a series of processing stations and means for advancing the photographic material being processed through the apparatus wherein there is provided means for collecting the overflow from the paper developer station and means for passing it directly or indirectly to the film processing station.Type: GrantFiled: February 21, 1989Date of Patent: January 8, 1991Assignee: Eastman Kodak CompanyInventors: Peter D. Marsden, John R. Fyson, Peter J. Twist
-
Patent number: 4977058Abstract: A transfer recording medium comprises a support and a transfer recording layer formed thereon capable of charging its transferability when provided with light energy and heat energy. The transfer recording layer comprises at least a colorant and a functional component sensitive to the provision of light energy and heat energy. The functional component comprises at least a photo-initiator and a polymerizing component of a monomer, oligomer or prepolymer having an unsaturated double bond. The polymerizing component has a melting point of 40.degree.-150.degree. C. Because of the inclusion of the polymerizing component which is solid at room temperature, the transfer recording layer has an excellent storability as well as an increased sensitivity contrast to illumination between under heating and under no heating.Type: GrantFiled: December 2, 1987Date of Patent: December 11, 1990Assignee: Canon Kabushiki KaishaInventors: Masashi Miyagawa, Masanori Takenouchi, Norio Ohkuma
-
Patent number: 4973542Abstract: A transfer recording medium comprises a substrate and a transfer recording layer disposed thereon capable of changing its transfer characteristic when provided with light energy and heat energy. The transfer recording layer comprises image forming elements which are solid at room temperature and comprise at least a colorant and a functional component sensitive to the provision of light energy and heat energy. Since the image forming elements have a mode particle size of 5-25 .mu.m and comprise 50% by number or more of those having a particle size of .+-.4 .mu.m or less from the mode particle size, the transfer recording medium affords a clear transferred image with high resolution at a high transfer rate when provided with light and heat energies, at least one of which is applied imagewise.Type: GrantFiled: December 8, 1987Date of Patent: November 27, 1990Assignee: Canon Kabushiki KaishaInventors: Masanori Takenouchi, Masashi Miyagawa, Norio Ohkuma
-
Patent number: 4971884Abstract: A light-sensitive material comprising a light-sensitive layer which contains silver halide grains, a reducing agent and a polymerizable compound provided on a support, characterized in that not less than 20% of the silver halide grains are tabular grains having an aspect ratio of not less than 3.Type: GrantFiled: March 11, 1987Date of Patent: November 20, 1990Assignee: Fuji Photo Film Co., Ltd.Inventor: Soichiro Yamamoto
-
Patent number: 4965181Abstract: A heat-developable light-sensitive material comprising a support having provided thereon a light-sensitive layer comprising a silver halide which is spectrally sensitized with at least one dye represented by formula (I): ##STR1## wherein R.sub.0 and R.sub.1, which may be the same or different, each represents a hydrogen atom, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, a halogen atom, an alkoxycarbonyl group, an acylamino group, an acyl group, a cyano group, a carbamoyl group, a sulfamoyl group, a carboxyl group, or an acyloxy group; provided that at least one of R.sub.0 and R.sub.1 represents a group other than a hydrogen atom; R.sub.2 represents a hydrogen atom, an alkyl group, or an aryl group; R.sub.3 represents an alkyl group, an aryl group, an alkoxy group, an aryloxy group, an acyl group, an acyloxy group, an alkoxycarbonyl group, or an acylamino group; provided that when R.sub.3 represents an aryl group, R.sub.0 and R.sub.Type: GrantFiled: February 28, 1990Date of Patent: October 23, 1990Assignee: Fuji Photo Film Co., Ltd.Inventors: Seiiti Kubodera, Akihiko Ikegawa, Masaki Okazaki
-
Patent number: 4965152Abstract: Holographic notch filters are provided that comprise photopolymer films, having an optical density of at least 2, mounted on a transparent substrate.Type: GrantFiled: July 14, 1989Date of Patent: October 23, 1990Assignee: E. I. Du Pont de Nemours and CompanyInventors: Dalen E. Keys, William K. Smothers, Torence J. Trout
-
Patent number: 4963459Abstract: The present invention provides a method of registering to an imaging web moving within an imaging web handling apparatus along an imaging web path. The imaging web comprises a support having a coating of photosensitive microcapsules on the surface thereof. The photosensitive microcapsules have an internal phase of a photosensitive composition and a color former. Exposure of the imaging web to actinic radiation defines an image area and a border area.A registration mark is formed on the web by exposing a portion of the web area to actinic radiation so that the portion undergoes a color or reflection change, or exposing all but a portion of the border area to actinic radiation so that the exposed area undergoes a color or reflection change. The registration mark is detected and in response to detection of the registration mark, an operation is performed on the imaging web.Type: GrantFiled: August 25, 1989Date of Patent: October 16, 1990Assignee: The Mead CorporationInventors: Jack Beery, David A. Boyer
-
Patent number: 4963466Abstract: A silver halide photographic light-sensitive material comprising a support bearing thereon at least one silver halide emulsion layer containing a dye-forming coupler and a compound represented by Formula [I] as defined in the specification. The light-sensitive material further comprises at least one silver halide emulsion layer containing silver halide grains having a silver chloride content of not less than 90 mole percent and a compound represented by Formula [S] as defined in the specification.The presence of the compounds of Formula [I] and Formula [S] provide a material having a suitable contrast and having additional advantages such as excellent BF contamination resistance and pH variation resistance.Type: GrantFiled: January 24, 1990Date of Patent: October 16, 1990Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Makoto Kajiwara, Masanobu Miyoshi, Kaoru Onodera, Eiichi Sakamoto
-
Patent number: 4959291Abstract: A light-sensitive material comprising a light-sensitive layer containing silver halide, a reducing agent, a polymerizable compound and a leuco dye provided on a support, characterized in that the leuco dye has the following formula (I): ##STR1## in which each of R.sup.1 and R.sup.2 independently is hydrogen, an alkyl group, a cycloalkyl group, an aralkyl group or an aryl group, or R.sup.1 and R.sup.2 together with the neighboring nitrogen atom form a 5- or 6-membered ring; X is hydrogen, a halogen atom, an alkyl group, an alkoxy group, --NHCOR.sup.3 or --OCOR.sup.4 (each of R.sup.3 and R.sup.4 is an alkyl group or an aryl group) or --NR.sup.5 R.sup.6 (R.sup.5 and R.sup.6 have the same meanings as for R.sup.1 and R.sup.2); Y is an alkyl group or an aralkyl group; Z is hydrogen, an alkyl group or an aryl group; and each of R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, X, Y, Z and the benzene ring A may have one or more substituent groups.Type: GrantFiled: August 8, 1989Date of Patent: September 25, 1990Assignee: Fuji Photo Film Co., Ltd.Inventors: Toru Harada, Toshiyuki Watanabe