Identified Synthetic Polymeric Binder Contained In Nonradiation Sensitive Processing Composition Permeable Layer Other Than An Image Receiving Or Neutralizating Layer Patents (Class 430/215)
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Patent number: 4345016Abstract: A color photographic sensitive material containing a polymer comprising at least 1 mol % of a repeating unit represented by formula (I) ##STR1## wherein A represents a divalent group, n is 1 or 2, R.sub.1 represents hydrogen, a halogen atom or an alkyl group, and R.sub.2, R.sub.3, and R.sub.4 each represents hydrogen, a halogen atom, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an amino group, an acylamino group, or a sulfonamide group, and R.sub.3 and R.sub.4 together can form an aromatic ring, provided that the total of carbon atoms of R.sub.2, R.sub.3, and R.sub.4 is 60 or less.Type: GrantFiled: July 1, 1981Date of Patent: August 17, 1982Assignee: Fuji Photo Film Co., Ltd.Inventors: Osamu Takahashi, Nobutaka Ohki, Kozo Aoki
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Patent number: 4328301Abstract: A photographic assembly for the photographic diffusion transfer process is provided wherein a stripping layer is used consisting of a graft copolymer of gelatin which has been substantially fully reacted with a dicarboxylic acid anhydride selected from phthalic anhydrides, succinic anhydrides, glutaric anhydrides and a monomer of a vinyl ester, a vinyl ether, an acrylic ester, an acrylic ether, a methacrylic ester or a methacrylic ether or a mixture thereof. These stripping layers exhibit good dry adhesion to the emulsion layer and to the mordant layer and moderate wet adhesion.Type: GrantFiled: September 18, 1980Date of Patent: May 4, 1982Assignee: Ciba-Geigy AGInventor: Peter J. Wright
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Patent number: 4314020Abstract: Photographic assemblages, elements, receiving elements and cover sheets comprise a combination of two timing layers and a neutralizing layer. The outermost timing layer contains photographic addenda, such as development inhibitors, for substantially terminating development of the silver halide emulsion. The timing layer next to the neutralizing layer has a much longer breakdown time so that it is permeated by the alkaline processing composition only after silver halide development has been substantially terminated.Type: GrantFiled: August 4, 1980Date of Patent: February 2, 1982Assignee: Eastman Kodak CompanyInventors: Kenneth J. Reed, Patrick H. Saturno, Gerald L. Ducharme
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Patent number: 4312937Abstract: This disclosure relates to production of a photographic film assembly substantially free of optical pinholes for use as a base for negatives in self-developing film packs. The assembly comprises a paper layer and first and second layers of polyolefin adhered to opposite sides of the paper layer. The paper layer has a caliper of about 2 mils to about 4.5 mils and a basis weight of about 55 g/m.sup.2 to about 125 g/m.sup.2. The first and second polyolefin layers each have a layer weight of about 10 g/m.sup.2 to about 48 g/m.sup.2. Carbon black is uniformly dispersed in at least two out of the three layers. The total amount of carbon black in the assembly is about 2.5 g/m.sup.2 to about 4.0 g/m.sup.2.Type: GrantFiled: April 11, 1980Date of Patent: January 26, 1982Assignee: Schoeller Technical Papers, Inc.Inventors: Klaus B. Kasper, William L. Quartz, William H. Myers
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Patent number: 4307174Abstract: Disclosed herein are heat-activatable adhesive compositions containing a water-dispersible polyester which comprisesA. an acid component comprising:(1) from about 8 to about 16 mole percent of units derived from at least one dicarboxylic acid having an ionic iminosulfonyl moiety containing a monovalent cation as an imino nitrogen substituent;(2) from about 40 to about 70 mole percent of units derived from at least one dicarboxylic acid selected from the group consisting of aliphatic dicarboxylic acids having the formula HOOC--(CH.sub.2).sub.Type: GrantFiled: January 29, 1981Date of Patent: December 22, 1981Assignee: Eastman Kodak CompanyInventors: John M. Noonan, Robert C. McConkey
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Patent number: 4304850Abstract: A photographic element for color diffusion transfer which includes a timing layer comprising a polymeric latex made up of (1) a conjugated diene monomer, (2) and ethylenically unsaturated acid monomer or salt, and (3) an ethylenically unsaturated monomer, which monomers are within certain percentage ranges.Type: GrantFiled: July 1, 1980Date of Patent: December 8, 1981Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Mikio Koyama, Satoru Ikeuchi, Noboru Mizukura, Hideaki Iwama
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Patent number: 4299895Abstract: A photographic element comprising a support, a layer containing an image dye ligand or dye ligand forming material and a layer containing a dye mordant, wherein the mordant layer has associated therewith:(1) a polymer containing groups which form coordination complexes with metal ions; and(2) a source of metal ions.The polymer holds the metal ions in the vicinity of the dye mordant so that the metal ions can metallize the dye or dye forming material at the image receiving layer. These complexes, elements, and receiving elements are particularly useful in diffusion transfer processes. Novel polymers are also described.Type: GrantFiled: December 10, 1979Date of Patent: November 10, 1981Assignee: Eastman Kodak CompanyInventors: William C. Archie, Jr., Gerald A. Campbell
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Patent number: 4298674Abstract: Diffusion transfer films and processes are disclosed wherein the processing composition includes a light-reflecting pigment and a pH-sensitive optical filter agent, and the image-receiving element carries a layer containing a substantially non-diffusible agent adapted to decolorize optical filter agent immediately adjacent the interface between said processing composition and said layer containing said decolorizing agent.Type: GrantFiled: April 24, 1980Date of Patent: November 3, 1981Assignee: Polaroid CorporationInventors: Edwin H. Land, Leon D. Cerankowski, Neil Mattucci
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Patent number: 4298682Abstract: Two-sheet diffusion transfer assemblages, photographic elements and dye image-receiving elements are described wherein an overcoat layer is present on the photographic element or the dye image-receiving element superposed thereon. The overcoat layer comprises either silica or an ionic polyester in a hydrophilic colloid which prevents spontaneous delamination during the lamination period, yet permits satisfactory peel-apart afterwards.Type: GrantFiled: August 1, 1980Date of Patent: November 3, 1981Assignee: Eastman Kodak CompanyInventor: John F. Bishop
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Patent number: 4297431Abstract: A diffusion control layer comprising a polymerization product of a monomer capable of undergoing .beta.-elimination in an alkaline environment is disclosed for use in diffusion transfer film units, as an interlayer or overcoat in photosensitive elements, or as a timing layer or overcoat in image-receiving elements.Type: GrantFiled: March 14, 1980Date of Patent: October 27, 1981Assignee: Polaroid CorporationInventor: Charles I. Sullivan
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Patent number: 4297432Abstract: Photographic elements, two-sheet diffusion transfer assemblages containing such elements, and dye image-receiving elements are described. The photographic element comprises a support, a neutralizing layer, a timing layer, a vinylidene chloride polymeric layer, a polymeric primer layer, and at least one silver halide emulsion layer having a dye image-providing material associated therewith. The vinylidene chloride polymeric layer and the polymeric primer layer prevent unwanted transfer of portions of the emulsion layer to a receiver when the receiver and photographic element are peeled apart. The polymeric primer layer can be either a particular ionic vinyl polymer or a particular ionic polyester.Type: GrantFiled: August 1, 1980Date of Patent: October 27, 1981Assignee: Eastman Kodak CompanyInventors: Wayne A. Bowman, John F. Bishop, John M. Noonan
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Patent number: 4296195Abstract: Two-sheet diffusion transfer assemblages and photographic elements are described which contain a primer layer located between a polymeric acid layer and a timing layer. The primer layer prevents unwanted transfer of portions of the emulsion layer to the receiver when the receiver and photographic element are peeled apart. The primer layer comprises:(a) a mixture of gelatin and cellulose nitrate, or(b) a mixture of an acrylic acid copolymer and a particular acrylic acid terpolymer, or(c) an acrylic acid copolymer as described herein.Type: GrantFiled: August 1, 1980Date of Patent: October 20, 1981Assignee: Eastman Kodak CompanyInventors: John F. Bishop, Wayne A. Bowman
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Patent number: 4294907Abstract: Diffusion transfer films and processes are disclosed wherein the processing composition includes a light-reflecting pigment and an optical filter agent, and the image-receiving layer carries over it a layer containing a substantially non-diffusible agent adapted to decolorize optical filter agent immediately adjacent the interface between said processing composition and said decolorizing layer.Type: GrantFiled: April 24, 1980Date of Patent: October 13, 1981Assignee: Polaroid CorporationInventors: Irena Y. Bronstein-Bonte, Edward P. Lindholm, Lloyd D. Taylor
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Patent number: 4292390Abstract: Integral diffusion transfer photographic film unit is described, comprising at least two support layers, at least one of which is transparent, having laminated therebetween at least one silver halide emulsion layer in association with a dye-image-providing material and an image-receiving layer, and a processing composition to be distributed between the two support layers, wherein at least one marginal portion of the integral film unit is masked by a masking material having formed on at least one surface thereof a pressure-sensitive or heat-sensitive adhesive layer containing an acid or an acid-releasing material.Type: GrantFiled: May 30, 1980Date of Patent: September 29, 1981Assignee: Fuji Photo Film Co., Ltd.Inventors: Kazunobu Katoh, Teruyoshi Makino
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Patent number: 4288523Abstract: Novel polymers comprising recurring units capable of undergoing .beta.-elimination in an alkaline environment are disclosed for use in diffusion control layers in diffusion transfer film units.Type: GrantFiled: March 14, 1980Date of Patent: September 8, 1981Assignee: Polaroid CorporationInventor: Lloyd D. Taylor
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Patent number: 4269925Abstract: Polymeric optical filter agents and photographic products and processes using same are disclosed. The polymeric optical filter agents are pH-sensitive optical filter agents comprising polymeric backbone units having the following hydrazone moiety: ##STR1## where R is a group which can provide a double bond for conjugation with the ##STR2## portion of the moiety to provide light-absorbing capability for the agent at a pH above its pKa, and X represents a substituent of R providing at least one electron-withdrawing group. The polymeric pH-sensitive optical filter agents have a highly colored light-absorbing form at a pH above the pKa and are substantially non-absorbing at a pH below the pKa. The polymeric optical filter agents are useful in photographic film units and processes for the protection of photoexposed photosensitive elements against the occurence of fogging during in-light development.Type: GrantFiled: October 29, 1979Date of Patent: May 26, 1981Assignee: Polaroid CorporationInventors: Derek H. R. Barton, Irena Y. Bronstein-Bonte, Lloyd D. Taylor
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Patent number: 4268604Abstract: In a photographic element for the color diffusion transfer process including a neutralizing system for reducing the pH of an aqueous alkaline developing solution which comprises a neutralizing layer and a timing layer wherein the timing layer is positioned on or under the neutralizing layer in direct or indirect contact therewith such that the aqueous alkaline developing solution reaches the neutralizing layer through the timing layer, the improvement which comprises said timing layer comprising a mixture of at least one polymer latex the minimum film forming temperature of which is 35.degree. C. or less (Group I) and at least one polymer latex the minimum film forming temperature of which is more than 35.degree. C.Type: GrantFiled: April 19, 1979Date of Patent: May 19, 1981Assignee: Fuji Photo Film Co., Ltd.Inventors: Takashi Yoshida, Shinji Sakaguchi
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Patent number: 4267262Abstract: In a photographic element for the color diffusion transfer process having a neutralizing system comprising a neutralizing layer and a timing layer, the improvement which comprises said timing layer containing a mixture of acetyl cellulose and a polymer represented by the general formula (I): ##STR1## wherein A represents a repeating unit represented by the general formula (II): ##STR2## wherein R.sub.2 represents a hydrogen atom, a halogen atom, or a methyl group; R.sub.3 represents a hydrogen atom, a halogen atom, an alkyl group, an aryl group, ##STR3## R.sub.4 represents an alkyl group or an aralkyl group; R.sub.5 and R.sub.6, which may be the same or different, each represents an alkyl group, an aryl group, or an aralkyl group; and a represents 0 or 1; R.sub.Type: GrantFiled: April 3, 1979Date of Patent: May 12, 1981Assignee: Fuji Photo Film Co., Ltd.Inventors: Yukio Karino, Shinji Sakaguchi, Yoshio Sakakibara
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Patent number: 4256614Abstract: Novel photographic processing compositions including a polymeric oxime viscosity-increasing reagent for processing an exposed film unit to provide a photographic image. While this photographic image may be in black-and-white or in color and prepared by any of the heretofore known systems, of particular interest are color diffusion transfer systems for preparing a color image viewable without separation of any of the components or layers of the photographic product. The invention also includes a novel class of polymeric oximes which may be employed in such compositions.Type: GrantFiled: November 5, 1979Date of Patent: March 17, 1981Assignee: Polaroid CorporationInventor: Lloyd D. Taylor
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Patent number: 4256826Abstract: A bleach-fix sheet for use in color photographic processes comprises a support having thereon a bleaching agent, a fixing agent and a hardened hydrophilic binder. In a preferred embodiment, the bleach-fix sheet is useful to bleach and fix a retained image in a color image diffusion transfer unit.Type: GrantFiled: August 14, 1978Date of Patent: March 17, 1981Assignee: Eastman Kodak CompanyInventors: Gerhard Popp, Patrick H. Saturno, Keith H. Stephen
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Patent number: 4256827Abstract: In a photographic element for the color diffusion transfer process including a neutralizing system for reducing the pH of an aqueous alkaline developing solution which comprises a neutralizing layer and a timing layer, wherein the timing layer is positioned on or under the neutralizing layer in direct or indirect contact therewith such that the aqueous alkaline developing solution reaches the neutralizing layer through the timing layer, the improvement which comprises the timing layer comprising a polymer latex which is produced by emulsion polymerization of each of at least one monomer selected from the group consisting of monomers of Group (A), at least one monomer selected from the group consisting of monomers of Group (B) and at least one monomer selected from the group consisting of monomers of Group (C), wherein said Group (A) monomers are represented by the following formula (I): ##STR1## wherein R represents a hydrogen atom or a methyl group; T represents a hydrogen atom or an aliphatic group; Q repreType: GrantFiled: April 19, 1979Date of Patent: March 17, 1981Assignee: Fuji Photo Film Co., Ltd.Inventors: Yasuhiro Noguchi, Shinji Sakaguchi, Takashi Yoshida
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Patent number: 4254208Abstract: A process for producing a photographic material, which comprises dispersing, in a solution of an organic resin, a material which is incompatible with the organic resin to form a dispersion, coating the resulting dispersion on at least one side of a support to form a coated layer, and then drying the coated layer, the material dispersed being a solid at ordinary temperature and in a liquid phase during the dispersing, whereby the coated layer when dried contains solid particles dispersed therein due to solidification of the dispersed material.The present invention also provides a photographic material obtained by the above process.Type: GrantFiled: February 14, 1977Date of Patent: March 3, 1981Assignee: Fuji Photo Film Co., Ltd.Inventors: Sumitaka Tatsuta, Masuhiko Hirose, Hiroshi Amari
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Patent number: 4250243Abstract: In a photographic element for the color diffusion transfer process including a neutralizing system for reducing the pH of an aqueous alkaline developing solution which comprises a neutralizing layer and a timing layer, wherein the timing layer is positioned on or under the neutralizing layer in direct or indirect contact therewith such that the aqueous alkaline developing solution reaches the neutralizing layer through the timing layer, the improvement which comprises the timing layer comprising a polymer latex which is produced by emulsion polymerization of (1) each of (A) at least one monomer selected from the group consisting of ethylene-type monomers having at least a free carboxylic acid group, a free sulfonic acid group or a free phosphoric acid group or a salt thereof, (B) at least one monomer selected from the group consisting of monomers represented by the following general formula (1) ##STR1## wherein X is a hydrogen atom, a methyl group or a --COOR.sup.Type: GrantFiled: September 14, 1979Date of Patent: February 10, 1981Assignee: Fuji Photo Film Co., Ltd.Inventors: Takashi Yoshida, Shinji Sakaguchi
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Patent number: 4229516Abstract: A composition comprising a mixture of (1) from 5 to 95 percent by weight of a copolymer comprising from 55 to 85 percent by weight of vinylidene chloride, 5 to 35 percent by weight of an ethylenically unsaturated monomer, and 0 to 20 percent by weight of an ethylenically unsaturated carboxylic acid, and (2) from 5 to 95 percent by weight of a polymeric carboxy-ester-lactone, is useful as a temporary barrier between reactants in photographic products. The barrier is particularly useful as a process timing layer in color image transfer film units.Type: GrantFiled: October 2, 1978Date of Patent: October 21, 1980Assignee: Eastman Kodak CompanyInventor: Edward P. Abel
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Patent number: 4202694Abstract: Novel photographic processing compositions including a polymeric oxime viscosity-increasing reagent for processing an exposed film unit to provide a photographic image. While this photographic image may be in black-and-white or in color and prepared by any of the heretofore known systems, of particular interest are color diffusion transfer systems for preparing a color image viewable without separation of any of the components or layers of the photographic product. The invention also includes a novel class of polymeric oximes which may be employed in such compositions.Type: GrantFiled: April 7, 1978Date of Patent: May 13, 1980Assignee: Polaroid CorporationInventor: Lloyd D. Taylor
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Patent number: 4193795Abstract: A photographic element comprising a support, a layer containing certain photographically useful and/or active fragments and a layer containing a dye mordant composition comprising a polymer having recurring units of the formula selected from the group consisting of: ##STR1## wherein: R.sup.2 is hydrogen or alkyl;R.sup.1 is hydrogen, alkyl or aryl;L is a linking group;W is an electron-withdrawing group;X is a leaving group; andn is 0 or 1.The polymeric mordants covalently bond with dyes or dye precursors and are especially useful in diffusion transfer processes.Type: GrantFiled: May 15, 1978Date of Patent: March 18, 1980Assignee: Eastman Kodak CompanyInventors: Gerald A. Campbell, Hyman Cohen, Lewis R. Hamilton, George Villard
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Patent number: 4190447Abstract: A cover sheet for an integral imaging receiver element comprises a support, a neutralizing layer, at least one timing layer and an alkali permeable hydrophilic layer. The cover sheet may also contain a second alkali permeable layer coated over the alkali permeable hydrophilic layer to promote adhesion of the cover sheet to the other components of the film unit. The photographic film units containing the cover sheets are substantially free from dark spot imperfections and are resistant to delamination of the unit.Type: GrantFiled: December 18, 1978Date of Patent: February 26, 1980Assignee: Eastman Kodak CompanyInventors: Michael K. Coil, Robert A. Sylvester