Gelatin Other Than Radiation Sensitive Type Patents (Class 430/539)
  • Patent number: 5310639
    Abstract: A light sensitive photographic element is disclosed having a support bearing at least one light sensitive silver halide emulsion layer and at least one non-light sensitive stress absorbing layer between the emulsion layer and the support, wherein the stress absorbing layer comprises a polymer and a hydrophilic colloid in a mass ratio of greater than or equal to about 1:2, the polymer having a glass transition temperature of less than about 5.degree. C. It has been found that pressure fog can be substantially reduced while maintaining scratch resistence when such a stress absorbing layer is present.
    Type: Grant
    Filed: February 23, 1993
    Date of Patent: May 10, 1994
    Assignee: Eastman Kodak Company
    Inventors: Kenneth J. Lushington, Richard P. Szajewski, Kevin M. O'Connor
  • Patent number: 5302501
    Abstract: A silver halide photographic material comprising a support having thereon at least one silver halide emulsion layer, wherein the swelling ratio of the entire hydrophilic colloid layers on the acid polymer-containing layer side of the support of the silver halide photographic material having a hydrophilic colloid layer containing at least one acid polymer (having a carboxyl group-containing monomer unit content of at least 15 mol % or an acid value of at least 1.5 meq/g) on at least one silver halide emulsion layer-coated side thereof is at least 200% in distilled water, said acid polymer being dissolved in water and added to said hydrophilic colloid layer, and the swollen thickness of the above entire hydrophilic colloid layers at the time of the completion of the rinsing stage is not more than 8 .mu.m when said silver halide photographic material is processed (the swelling ratio in distilled water is a value obtained by incubating the photographic material at 40.degree. C.
    Type: Grant
    Filed: October 26, 1992
    Date of Patent: April 12, 1994
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yutaka Tamura, Yasuyuki Takagi, Junichi Yamanouchi
  • Patent number: 5300411
    Abstract: Photographic elements having at least one layer containing polymeric matte particles covalently bonded to gelatin and colloidal silica.
    Type: Grant
    Filed: October 30, 1992
    Date of Patent: April 5, 1994
    Assignee: Eastman Kodak Company
    Inventors: Melvin D. Sterman, Alfred B. Fant, Melvin M. Kestner, Dennis E. Smith, Gary W. Visconte
  • Patent number: 5298382
    Abstract: Photographic silver halide photosensitive material is processed, after exposure, by treating it with a working fixer solution. The photosensitive material comprises at least one layer of silver halide emulsion on a support and contains at least 10% by weight, based on gelatins, of a gelatin having an isoelectric point of at least 5.0 on the emulsion layer side. The working fixer solution is prepared by furnishing a fixer concentrate of at least pH 5 containing a thiosulfate as a fixing agent, 0.05-0.8 mol/liter of a sulfite and up to 0.01 mol/liter of a water-soluble aluminum salt, and diluting the fixer concentrate with water, thereby forming the working fixer solution containing a minimized amount of ammonium thiosulfate and 0.5-2.5 mol/liter of sodium thiosulfate. The method provides improved rapid processing with increased degrees of fixation and drying while preventing the generation of sulfurous acid and ammonia gases.
    Type: Grant
    Filed: February 25, 1993
    Date of Patent: March 29, 1994
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Takashi Toyoda, Itsuo Fujiwara
  • Patent number: 5292628
    Abstract: The adhesion of photographic layers to a film base thateither has, on one or both sides, a surface consisting of a polyolefin layer that has been treated with a corona discharge,or consists of a polyester film provided with a (first) substrate layeris improved by an adhesive layer that is applied in the form of an oil-in-water emulsion consisting of50 to 60 wt % of oil-formers and40 to 50 wt % of a solid consisting of50 to 80 wt % gelatin and20 to 50 wt % colloidal SiO.sub.2together with the following layers to the surface of the film base.
    Type: Grant
    Filed: April 27, 1993
    Date of Patent: March 8, 1994
    Assignee: AGFA Gevaert AG
    Inventors: Fritz Nittel, Heinz-Gunther Auweiler, Manfred Peters, Hartmut Randolph
  • Patent number: 5288598
    Abstract: Photographic elements containing at least one layer containing polymeric particles surrounded by a layer of colloidal inorganic particles and separate particles of colloidal silica.
    Type: Grant
    Filed: October 30, 1992
    Date of Patent: February 22, 1994
    Assignee: Eastman Kodak Company
    Inventors: Melvin D. Sterman, Alfred B. Fant, Melvin M. Kestner, Dennis E. Smith, Gary W. Visconte
  • Patent number: 5288602
    Abstract: A photographic recording material which contains a support and thereupon at least one light-sensitive silver halide emulsion layer together with a protective layer containing gelatine over the light-sensitive layer and optionally a layer on the reverse side containing gelatine, and the protective layer containing gelatine and/or the reverse side layer containing gelatine contains a silicone oil of the formula I ##STR1## in which R.sub.1 means hydroxy, alkoxy, cycloalkoxy, aryloxy,R.sub.2 means a residue of the formula ##STR2## or R.sub.1 R.sub.3, R.sub.4 means alkyl, aryl, cycloalkyl,R.sub.5, R.sub.
    Type: Grant
    Filed: August 10, 1993
    Date of Patent: February 22, 1994
    Assignee: Agfa-Gevaert Aktiengesellschaft
    Inventors: Markus Geiger, Hans-Horst Steinbach
  • Patent number: 5286598
    Abstract: Disclosed is a high-sensitive and super-high contrast silver halide photographic material suitable to use in photomechanical process. The material comprises a support having thereon having at least one light-sensitive silver halide emulsion layer and another hydrophilic colloid layer, wherein at least one of the emulsion layer or the other hydrophilic colloid layer contains a hydrazine derivative and a redox compound capable of releasing a development inhibitor by oxidation and further contains at least one hardening agent represented by formula (A): ##STR1## wherein R represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aralkyl group or a substituted or unsubstituted aryl group; and n represents 0 or 1.
    Type: Grant
    Filed: October 28, 1992
    Date of Patent: February 15, 1994
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Nobuaki Inoue, Minoru Sakai, Shigeru Ohno, Hisashi Okamura
  • Patent number: 5279934
    Abstract: Photographic elements having at least one light-sensitive layer and at least one layer having polymeric matte particles surrounded by a layer of colloidal organic particles.
    Type: Grant
    Filed: June 9, 1993
    Date of Patent: January 18, 1994
    Assignee: Eastman Kodak Company
    Inventors: Dennis E. Smith, John L. Muehlbauer
  • Patent number: 5264339
    Abstract: In a method for the manufacture of a recording material containing a coated and dried gelatin containing layer on a support, the improvement wherein such layer is coated from an aqueous coating composition containing:(1) hydrophilic colloid matter consisting of at least 90% by weight of gelatin,(2) not more than 5% by weight with respect to the total gelatin content of a thickening agent increasing the viscosity of said composition, and(3) a hardening agent for gelatin that reduces its water-solubility after coating, characterized in that said gelatin is a gelatin species which as a 10% by weight aqueous solution at 36.degree. C. and pH 6 has a viscosity of at least 35 Mpa.s at a shear rate of 1000 S.sup.-1 and shows a decrease in viscosity by at least 10 Mpa.s at a shear rate of 40,000 s.sup.-1, and as a 3% by weight aqueous solution at Ph 6 and after cooling for 30 seconds at a shearing rate of 208 s.sup.
    Type: Grant
    Filed: September 4, 1992
    Date of Patent: November 23, 1993
    Assignee: Agfa-Gevaert N.V.
    Inventors: Bernard H. Tavernier, Frank P. Michiels
  • Patent number: 5258275
    Abstract: A method of preparing a light sensitive silver halide photographic material is disclosed. In the method a coated layer surface temperature is not higher than 19.degree. C. when a percentage of water to binder is within the range of 800-200% by weight on a side coated with the light sensitive silver halide emulsion layer, and the light sensitive material can be dried up by taking not shorter than 35 seconds to get a percentage within the range of 800-200% by weight. A light sensitive photographic material is also disclosed. The material has a specific surface smoothness degree and contains matting agent, and is prepared by above-mentioned method.
    Type: Grant
    Filed: October 30, 1992
    Date of Patent: November 2, 1993
    Assignee: Konica Corporation
    Inventors: Takeo Arai, Toshiharu Nagashima
  • Patent number: 5252448
    Abstract: A silver halide light-sensitive material is disclosed, which has an improved sliding ability and antiadhesion property and has good photographic characteristics. The light-sensitive material comprises a support having, on a side of the support, a silver halide emulsion layer and a protective layer provided on the silver halide emulsion layer, and on the other side of the support, a backing layer and a protective layer provided on the backing layer, wherein at least one of the protective layer on the emulsion layer and the protective layer of the backing layer contains particles comprising boron nitride.
    Type: Grant
    Filed: August 20, 1992
    Date of Patent: October 12, 1993
    Assignee: Konica Corporation
    Inventors: Shiyouji Nishio, Noriyasu Kita, Takashi Shinkai
  • Patent number: 5248558
    Abstract: It has been shown by Photon Correlation Spectroscopy than when additional hardener is added to below saturation gel-grafted polymer particles, the gel layer shrinks due to hardening, as there is no free gel left in solution. In films, such case-hardened gelatin-grafted soft polymer particles can act as highly elastic stress absorbing fillers. This is because the dry case-hardened shell is expected to form a thin hard shell around the soft polymer particles. It is shown that gelatin-grafted soft polymer particles and case-hardened gelatin-grafted soft polymer particles, incorporated in the emulsion layers of pressure sensitive photographic products, produce coatings with highly reduced pressure sensitivity without any developability or delamination concerns. In this invention the case-hardened gelatin-grafted polymer particles are preferred over the simple gelatin-grafted material. The core polymer particle can have diameters anywhere between 10 to 10.sup.
    Type: Grant
    Filed: June 20, 1991
    Date of Patent: September 28, 1993
    Assignee: Eastman Kodak Company
    Inventors: Pranab Bagchi, William L. Gardner
  • Patent number: 5234804
    Abstract: A photographic element comprising a paper substrate said paper substrate comprises wood fiber and polyvinyl alcohol polymer located in heavier concentration near the surface of said paper with a polyolefin coating provided on at least one surface, a hydrophilic colloid layer on the polyolefin coating and a light sensitive silver halide emulsion on the hydrophilic colloid layer, said hydrophilic colloid layer comprising from about 20 to 80 percent by weight of a white pigment, and from about 15 to 35 percent by weight of hollow microspheres having a diameter of from about 0.1 to about 1 .mu.m.
    Type: Grant
    Filed: September 4, 1992
    Date of Patent: August 10, 1993
    Assignee: Eastman Kodak Company
    Inventors: Erika M. Sato, James L. Edwards, Larry D. Hagemeier, David J. Lacz
  • Patent number: 5230994
    Abstract: A silver halide photographic light-sensitive material suitable for super rapid processing in not more than 60 seconds is disclosed, which comprises a transparent support having coated thereon gelatin in a total coating amount of 1.7-2.5 g/m.sup.2 per one side of the support and a photosensitive layer containing photosensitive silver halide grains, the silver halide grains being silver iodobromide having a silver iodide content of not more than 0.6 mol%.
    Type: Grant
    Filed: September 20, 1991
    Date of Patent: July 27, 1993
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Sumito Yamada, Tetsuo Nakamura
  • Patent number: 5229259
    Abstract: Disclosed is a silver halide photographic material comprising a silver halide emulsion layer on at least one side of a support and at least one magnetic recording layer on at least one side of the support, and the magnetic recording layer is transparent and comprises a ferromagnetic powder, a silica and alumina co-precipitate on the surface of the ferromagnetic powder, and a binder.
    Type: Grant
    Filed: August 12, 1991
    Date of Patent: July 20, 1993
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Minoru Yokota
  • Patent number: 5227286
    Abstract: A silver halide photographic element with high sensitivity and less processing reliance in a high-illuminance and short-time light exposure which can be processed quickly is provided. The photographic element comprises at least one light-sensitive silver halide emulsion layer which has silver halide grains containing an iridium compound and at least one light-insensitive hydrophilic colloid layer.
    Type: Grant
    Filed: May 15, 1991
    Date of Patent: July 13, 1993
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Koichi Kuno, Shuzo Suga
  • Patent number: 5227285
    Abstract: A silver halide photographic element is described, including a support having on one surface thereof(A) a subbing layer composed of(1) at least one non-hydrophilic polymer layer and(2) a hydrophilic colloid layer containing a dye dispersed therein in a solid state,wherein the hydrophilic colloid layer is coated on the non-hydrophilic polymer layer, and(B) at least one silver halide emulsion layer having a hydrophilic colloid as a binder,wherein the at least one silver halide emulsion layer is formed on the subbing layer, andhaving on the surface of the support opposite to the side having the silver halide emulsion layer(C) a light-insensitive hydrophilic colloid layer having a hydrophilic colloid as a binder,wherein the silver halide photographic material has a hydrophobic polymer layer which is positioned on the side of the support having the light-insensitive hydrophilic colloid layer and which is located further from the support than the light-insensitive hydrophilic colloid layer, andwherein the light-ins
    Type: Grant
    Filed: October 1, 1992
    Date of Patent: July 13, 1993
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yasushi Hattori, Akira Hatakeyama
  • Patent number: 5219718
    Abstract: There is disclosed a silver halide photographic material having the improved drying, anticurl and pin hole properties. The photographic material comprises (a) a support, (b) at least one silver halide emulsion layer containing hydrophilic colloid as a binder provided on one side of the support (side A), and (c) at least one light-insensitive layer containing hydrophilic colloid as a binder provided on the side of the support opposite from the side with the silver halide emulsion layer (side B), wherein a weight ratio of the hydrophilic colloid contained in the at least one light-insensitive layer on side B to the hydrophilic colloid in the at least one silver halide emulsion layer on side A is 0.3 or greater, and the light-insensitive layer on side B has a water content of 0.2 g or less per gram of hydrophilic colloid after finishing a rinsing step in development processing.
    Type: Grant
    Filed: May 21, 1992
    Date of Patent: June 15, 1993
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Akira Hatakeyama, Takashi Naoi, Kunio Ishigaki
  • Patent number: 5206128
    Abstract: A silver halide photographic material is described including a support having thereon an emulsion layer and a protective layer in this order, wherein gelatin is contained in the protective layer in an amount of at least 1.5 g/m.sup.2, gelatin is contained in the emulsion layer in an amount of at least 1.0 g/m.sup.2, and the the coated amount of gelatin in the protective layer and the emulsion layer is a total of at most 3.5 g/m.sup.2.
    Type: Grant
    Filed: July 3, 1991
    Date of Patent: April 27, 1993
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Naoki Arai
  • Patent number: 5206127
    Abstract: A silver halide photographic material is provide having at least one silver halide emulsion layer on one surface of a support and having on the other surface of the support, a backing layer containing a mat agent comprising grains having a mean grain size of 15 .mu.m or more in a proportion of at least 5% by volume. Due to the presence of the particular mat agent, the material has improved feedability and has small amount of haze.
    Type: Grant
    Filed: June 21, 1991
    Date of Patent: April 27, 1993
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kunio Ishigaki, Yuuzou Muramatsu
  • Patent number: 5206120
    Abstract: A method for forming a color image comprising the step of: developing a silver halide color photographic material for a color developing time of about 20 seconds or less and for a total processing time from color developing to drying of about 100 seconds or less, wherein the silver halide color photographic material comprises (a) a support; and (b) at least two layers on at least one side of the support, each of said at least two layers containing (i) a silver halide emulsion containing at least 90 mol% silver chloride and at least 50% by weight of gelatin as a binder, the gelatin having an isoelectric point of at least 5.3, and (ii) a diffusion resistant oil-soluble coupler that forms a dye by coupling with an oxidation product of an aromatic primary amine developing agent; and (c) the silver halide in the at least two layers differing in sensitivity wavelength range.
    Type: Grant
    Filed: December 13, 1990
    Date of Patent: April 27, 1993
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Hiroshi Hayashi
  • Patent number: 5204233
    Abstract: A plastic film or coated paper has a hydrophilic colloid layer thereon comprising particles with the average particle size of 0.5 to 20.mu. coated with a water-repellent material. The water-repellent material is selected from the group consisting of silicone, a silane compound, a fluorine-containing compound and a silane coupling agent. A silver halide photographic light-sensitive material comprises a hydrophilic colloid layer comprising particles with the average particle size of 0.5 to 20.mu. coated with a water-repellent material.
    Type: Grant
    Filed: October 7, 1991
    Date of Patent: April 20, 1993
    Assignee: Konica Corporation
    Inventors: Akira Ogasawara, Takeo Arai
  • Patent number: 5188931
    Abstract: A process of simultaneously applying multiple layers of hydrophilic colloidal aqueous coating compositions to a moving support with a multilayer bead coating apparatus, which comprises applying as the first layer next to the support an hydrophilic colloidal aqueous composition comprising a high molecular weight, highly deionized gelatin in which there are dispersed fine droplets of a high temperature boiling water immiscible organic solvent, and a multilayer silver halide photographic material comprising a support on which there are spread at least one silver halide photosensitive layer and at least one auxiliary layer, and said material further comprising, spread over said support under said layers, a hydrophilic colloidal layer comprising high molecular weight, highly deionized gelatin in which there are dispersed fine droplets of a high temperature boiling water immiscible organic solvent.
    Type: Grant
    Filed: January 29, 1990
    Date of Patent: February 23, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Domenico Marinelli, Fulvio Furlan
  • Patent number: 5187259
    Abstract: A soluble, chain extended gelatin having a high molecular weight and significantly higher viscosity at equivalent gelatin concentration compared to standard gelatin and significantly faster setting time is produced by preparing an aqueous gelatin composition containing from about 6% to about 18% dry weight of gelatin and from about 0.25 to about 5 millimoles of a bis-(vinyl sulfonyl) compound per 100 grams of gelatin, heating the composition at a temperature of from about 40 to about 60.degree.C. and at a pH of from about 4.5 to about 7 for from about one to about eight hours.
    Type: Grant
    Filed: November 14, 1990
    Date of Patent: February 16, 1993
    Assignee: Eastman Kodak Company
    Inventors: Melvin D. Sterman, James L. Bello
  • Patent number: 5185230
    Abstract: The invention creates a selective oxygen barrier around individual coupler or other photographically active particles by surrounding each particle with a layer of water applicable oxygen barrier polymer such as polyvinyl alcohol (PVA), which will also act as a steric barrier to coalescence of the particles. Photographic products formed with such materials are more dye stable.
    Type: Grant
    Filed: September 3, 1991
    Date of Patent: February 9, 1993
    Assignee: Eastman Kodak Company
    Inventors: Pranab Bagchi, James L. Edwards, Wendell F. Smith, Jr., Brian Thomas
  • Patent number: 5175073
    Abstract: A high-contrast room-light-handleable black-and-white silver halide photographic film especially adapted for use as a dry-dot-etchable contact film in the graphic arts is comprised of a support having in order on one side thereof (1) a radiation-sensitive layer comprising silver halide grains, a hydrophilic colloid and a polymer latex, (2) an interlayer comprising a hydrophilic colloid and a polymer latex, and (3) an overcoat layer comprising a hydrophilic colloid, a matting agent and a light-scattering agent, wherein the interlayer has a refractive index in the range of from about 1.4 to about 1.7 and a thickness which is in the range of from about 0.5 to about 5 microns and is at least twice that of the overcoat layer, and wherein the film contains in the radiation-sensitive layer, or a layer contiguous thereto, a hydrazine compound which functions as a nucleating agent.
    Type: Grant
    Filed: March 26, 1991
    Date of Patent: December 29, 1992
    Assignee: Eastman Kodak Company
    Inventors: Anthony D. Gingello, David F. Jennings, Richard D. Lucitte, Hermano P. Rocha
  • Patent number: 5173397
    Abstract: A photographic support consisting essentially of a substrate and a resin layer provided on the image forming side of the substrate, said resin layer comprising a specific titanium dioxide pigment and others. This photographic support is excellent in that it has a high brightness and a high apparent whiteness and stability of the apparent whiteness is good; printed image of high sharpness can be formed thereon: and occurrence of die lip stain at production is quite little and thus it has good surface property.
    Type: Grant
    Filed: September 17, 1991
    Date of Patent: December 22, 1992
    Assignee: Mitsubishi Paper Mills Limited
    Inventors: Touru Noda, Massashi Kubbota, Akira Uno
  • Patent number: 5168033
    Abstract: A silver halide photographic material having at least one silver halide emulsion layer formed on a base is disclosed said base is a reflective base having an oxygen permeability of no more than 2.0 ml/m.sup.2.hr.atm, at least one of said silver halide emulsion layers is a magenta dye forming layer containing at least one magenta coupler of formula (I) shown below, and the layers positioned above said silver halide emulsion layer with respect to said base have a gelatin content of no less than 3 g/m.sup.2 : ##STR1## wherein Z represents a group of the non-metallic atoms necessary for forming a nitrogen-containing heterocyclic ring, provided that the ring formed by Z may have a substituent; X represents a hydrogen atom or a substituent capable of being eliminated upon reaction with the oxidation product of a color developing agent; and R is a hydrogen atom or a substituent.
    Type: Grant
    Filed: September 6, 1990
    Date of Patent: December 1, 1992
    Assignee: Konica Corporation
    Inventors: Shun Takada, Kaoru Onodera
  • Patent number: 5166043
    Abstract: Photographic light-sensitive silver halide material for forming direct-positive images comprising a support, a light-sensitive emulsion layer comprising unfogged internal latent image-type silver halide grains dispersed in a hydrophilic colloid binder and comprising a development nucleator, and at least one protective hydrophilic colloid layer, wherein said light-sensitive emulsion comprises at least one compound that during the development of said material in a surface developer provides iodide ions, the weight ratio of the hydrophilic colloid binder of said emulsion layer to silver halide expressed as silver nitrate ranging from 0.4:1 to 3:1, and said protective hydrophilic colloid layer having a thickness in dry state of 1 to 3 .mu.m. The present invention also relates to a method for making direct-positive images with such a photographic light-sensitive silver halide material.
    Type: Grant
    Filed: July 19, 1991
    Date of Patent: November 24, 1992
    Assignee: Agfa-Gevaert, N.V.
    Inventor: Jozef P. De Prijcker
  • Patent number: 5102780
    Abstract: The present invention provides a silver halide photographic photosensitive material excellent in dimensional stability which comprises a polyethylene terephthalate film support and, provided thereon, at least one gelatin layer containing an active halogen type hardener, wherein water content in the gelatin layer is 20% by weight or less based on total amount of gelatin. Further provided is a method for producing such silver halide photographic photosensitive material which comprises coating a gelatin coating solution containing an active halogen type hardener on a polyethylene terephthalate film support and then drying the coat, wherein the coat is dried so that water content based on total amount of gelatin is 20% by weight or less and then, is subjected to a heat treatment.
    Type: Grant
    Filed: April 26, 1990
    Date of Patent: April 7, 1992
    Assignee: Mitsubishi Paper Mills Limited
    Inventors: Eiichi Terashima, Seiichi Sumi, Kazuhisa Kobayashi, Yoshio Shibata
  • Patent number: 5100769
    Abstract: A water proof support material for light-sensitive materials with an anti-curl layer on the backside, the anti-curl layer comprising at least:(a) a protein binder,(b) a reaction product of triazine and formaldehyde,(c) an N-methylol compound, and(d) an aliphatic polyhydric alcohol.
    Type: Grant
    Filed: April 16, 1990
    Date of Patent: March 31, 1992
    Assignee: Felix Schoeller Jr. GmbH & Co. KG
    Inventors: Horst Westfal, Andreas Diekmann
  • Patent number: 5098821
    Abstract: Light-sensitive silver halide photographic materials comprising a support base and one or more hydrophilic colloid layers, at least one of which is a silver halide emulsion layer, at least one of said hydrophilic colloid layers of said photographic materials containing both a) a non-ionic surface active agent having a polyoxyethylene group and b) a fluorinated organic compound, characterized by the fact that said fluorinated organic compound is the reaction product of a polyoxyalkyleneamine compound and a fluorinated organic acid compound.
    Type: Grant
    Filed: July 15, 1988
    Date of Patent: March 24, 1992
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Elio Cavallo, Richard Guenthner, Renzo Torterolo
  • Patent number: 5075206
    Abstract: A photographic support consisting essentially of a substrate and a resin layer provided on the image forming side of the substrate, said resin layer comprising a specific titanium dioxide pigment and others. This photographic support is excellent in that it has a high brightness and a high apparent whiteness and stability of the apparent whiteness is good; printed image of high sharpness can be formed thereon: and occurrence of die lip stain at production is quite little and thus it has good surface property.
    Type: Grant
    Filed: March 27, 1990
    Date of Patent: December 24, 1991
    Assignee: Mitsubishi Paper Mills Limited
    Inventors: Touru Noda, Massashi Kubbota, Akira Uno
  • Patent number: 5071736
    Abstract: A silver halide photographic material comprising a film support having thereon at least one hydrophilic colloid layer, at least one of which is a photosensitive silver halide emulsion layer, wherein the film support is a polyester film having a water content of at least 0.5 wt %, and at least one gelatin-containing layer contains a vinylsulfone based film hardening agent.
    Type: Grant
    Filed: February 8, 1991
    Date of Patent: December 10, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Shinpei Ikenoue, Hisashi Okamura, Seimi Satake
  • Patent number: 5066572
    Abstract: This invention describes a substantially less pressure sensitive photographic film comprising a support, at least one light sensitive silver halide element, and an overlaying element comprising gelatin-grafted or case-hardened gelatin-grafted soft polymer particle composite element. The incorporation of such an overlaying composite particle cushioning layer does not compromise either the physical properties or physical integrity of the film unit. This invention is particularly suitable for highly pressure sensitive tabular grain emulsions.
    Type: Grant
    Filed: March 22, 1990
    Date of Patent: November 19, 1991
    Assignee: Eastman Kodak Company
    Inventors: Kevin M. O'Connor, Richard P. Szajewski, Pranab Bagchi
  • Patent number: 5063147
    Abstract: Disclosed is a silver halide photographic light-sensitive material comprising a support and a light-sensitive silver halide emulsion layer provided on the support, wherein a surface layer provided on the photographic light-sensitive material contains an aliphatic carboxylic ester having the formula (I) or the formula (II):R.sup.11 COOR.sup.12 (I)in which each of R.sup.11 and R.sup.12 independently is an aliphatic hydrocarbon group having 12-70 carbon atoms; at least one of R.sup.11 and R.sup.12 is branched; and the number of the total carbon atoms contained in R.sup.11 and R.sup.12 is in the range of 32 to 140,R.sup.21 OOCXCOOR.sup.22 (II)in which each of R.sup.21 and R.sup.22 independently is an aliphatic hydrocarbon group having 12-70 carbon atoms; X is a divalent linking group; at least one of R.sup.21, R.sup.22 and X is a branched aliphatic hydrocarbon group having 12 or more carbon atoms; and the number of the total carbon atoms contained in R.sup.21 and R.sup.22 is in the range of 32 to 140.
    Type: Grant
    Filed: April 27, 1990
    Date of Patent: November 5, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Masakazu Yoneyama, Ryosuke Yamada, Yosuke Nishiura, Yukio Maekawa, Yuzo Higaki, Yoshiaki Iwamoto
  • Patent number: 5061595
    Abstract: A high-contrast room-light-handleable black-and-white silver halide photographic film especially adapted for use as a dry-dot-etchable contact film in the graphic arts is comprised of a support having in order on one side thereof (1) a radiation-sensitive layer comprising silver halide grains, a hydrophilic colloid and a polymer latex, (2) an interlayer comprising a hydrophilic colloid and a polymer latex, and (3) an overcoat layer comprising a hydrophilic colloid, a matting agent and a light-scattering agent, wherein the interlayer has a refracive index in the range of from about 1.4 to about 1.7 and a thickness which is in the range of from about 0.5 to about 5 microns and is at least twice that of the overcoat layer. The combination of the light-scattering agent in the overcoat layer and the thick interlayer facilitates optical spreading of the image during contact exposure, and thereby enhances the performance of the contact film in use with multi-layer originals and in processes of dry dot etching.
    Type: Grant
    Filed: September 24, 1990
    Date of Patent: October 29, 1991
    Assignee: Eastman Kodak Company
    Inventors: Anthony D. Gingello, David F. Jennings, Richard D. Lucitte, Hermano P. Rocha
  • Patent number: 5055320
    Abstract: A support sheet for photographic printing paper having an undercoat layer on which a photographic emulsion layer is to be formed, and which is free from foaming, contamination by foreign substances, and putrefaction and does not effect the photographic emulsion, by the steps of coating front and back surfaces of a substrate sheet with polyolefin resins; surface-activating the front coating layer; and extrusion coating the activated surface of the front coating layer with a coating liquid comprising gelatin, through a slit-shaped orifice, to form the undercoat layer.
    Type: Grant
    Filed: December 14, 1989
    Date of Patent: October 8, 1991
    Assignee: Oji Paper Co., Ltd.
    Inventors: Takaharu Miura, Tsunehisa Shigetani, Minoru Moriki
  • Patent number: 5051335
    Abstract: A novel heat developable light-sensitive material is disclosed, comprising light-sensitive silver halide emulsion layers on a paper support, wherein at least one subbing layer capable of inhibiting fog is provided interposed between the undermost layer among said light-sensitive silver halide emulsion layers and said paper support. In a preferred embodiment, the subbing layer comprises a binder and at least one material capable of inhibiting fog.
    Type: Grant
    Filed: January 26, 1989
    Date of Patent: September 24, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Masatoshi Kato
  • Patent number: 5037729
    Abstract: A multilayer photographic element comprising at least one light-sensitive emulsion layer comprising silver halide grains dispersed in a hydrophilic colloid and at least one auxiliary hydrophilic colloid layer, said plurality of layers of different composition being simultaneously coated onto a hydrophobic support from aqueous hydrophilic colloid compositions, presents improved coating quality if at least one auxiliary hydrophilic colloid layer comprises a) an anionic surface active agent, b) at least one of betaine, N-oxide or amide surface active agent the and c) at least one of dispersed droplets of a water-immiscible high-boiling organic solvent, a vinyl addition polymer latex or a highly deionized gelatin.All the layers can be simultaneously coated from said different hydrophilic colloid aqueous compositions while maintaining a distinct layer relationship and avoiding any coating defects.
    Type: Grant
    Filed: September 19, 1990
    Date of Patent: August 6, 1991
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Fulvio Furlan, Domenico Marinelli
  • Patent number: 5035974
    Abstract: A light-image forming material comprising a support having provided thereon a light-image forming layer comprising microcapsules containing an oxidative-developable leuco dye and a photo-oxidizing agent, and a reducing agent as essential ingredients, wherein the material also includes a covering layer or intermediate layer containing a film-forming high-molecular binder and/or an inorganic or organic pigment.
    Type: Grant
    Filed: June 15, 1989
    Date of Patent: July 30, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Keiso Saeki, Toshiaki Endo
  • Patent number: 5024932
    Abstract: A light-sensitive silver halide photographic material having a support and, provided thereon, photographic component layers including at least one light-sensitive silver halide emulsion layer containing silver halide grains having a silver chloride content of not less tha 90 mole % and having been subjected to gold sensitization, said photographic component layer containing a gelatin of which isoelectric point being 4.0 to 5.0 and the film pH of said photographic component layer being not more than 6.0.
    Type: Grant
    Filed: February 26, 1990
    Date of Patent: June 18, 1991
    Assignee: Konica Corporation
    Inventors: Masaki Tanji, Toyoki Nishijima
  • Patent number: 5017455
    Abstract: A process for recovering a support from a photographic film is disclosed. The photographic film comprises the support and an undercoating layer provided thereon. The support is made of cellulose triacetate film base. The undercoating layer contains gelatin and cellulose nitrate. According to the present invention, the process comprises the steps of: (I) treating the photographic film with an aqueous solution of a surfactant; and then (II) treating the photographic film with an aqueous solution of a protease to remove the undercoating layer from the support. The aqueous solution of the protease used at the step of (II) preferably further contains an anionic surfactant. It is also preferred that the process further contains the step of (III) treating the recovered support with an aqueous solution of hydrogen peroxide to bleach the support.
    Type: Grant
    Filed: April 11, 1990
    Date of Patent: May 21, 1991
    Assignees: Fuji Photo Film Co., Panac-Industries Inc.
    Inventors: Goichi Hayashi, Sajuro Fujimagari, Kensaku Nakamura, Ryuichi Ishida
  • Patent number: 5013638
    Abstract: A photographic donor material is described which comprises silver halide having at least 95% silver chloride, which material also contains a minor amount of bromide ions, an amount of development inhibitor and which has a hydrophilic overcoat layer to retard access of processing solution to the silver halide. The photographic material is useful in a silver salt diffusion transfer process.
    Type: Grant
    Filed: October 10, 1989
    Date of Patent: May 7, 1991
    Assignee: Eastman Kodak Company
    Inventors: Anthony M. Barnett, David A. Hallbery
  • Patent number: 5009990
    Abstract: A photographic recording material which has at least one silver halide emulsion layer containing gelatine, at least one protective layer and at least one hardening layer and in which the protective layer is further removed from the layer support than any silver halide emulsion layer and the hardening layer is further removed from the layer support than any other layer and contains an effective quantity of at least one instant hardener will have improved stability in storage under moist, warm conditions if the protective layer contains an effective quantity of at least one azaindene.
    Type: Grant
    Filed: November 20, 1989
    Date of Patent: April 23, 1991
    Assignee: Agfa-Gevaert Aktiengesellschaft
    Inventors: Rainer Scheerer, Franz Moll
  • Patent number: 5001044
    Abstract: A silver halide photographic material which comprises a support having provided thereon at least one silver halide emulsion layer and at least one layer comprising a polymer containing a group which can be dissociated to form a cation in a fixer, wherein a layer containing substantially no silver halide grains is provided between the layer comprising the polymer and the silver halide emulsion layer. The photographic material exhibits a high fixing speed and is substantially free from surface defects such as streaking and acne.
    Type: Grant
    Filed: August 17, 1990
    Date of Patent: March 19, 1991
    Assignee: Fuji Photo Film Co.
    Inventor: Ichizo Toya
  • Patent number: 4999275
    Abstract: A silver halide photographic light-sensitive material is described, comprising a support, at least one light-sensitive silver halide emulsion layer on the support, and at least one light-insensitive top layer provided on the emulsion layer, wherein at least one of the emulsion layer and other constituent layers contains a compound represented by the general formula (I)R.sup.1 --NHNH--G--R.sup.2 (I)wherein R.sup.1 is a substituted or unsubstituted aryl group, R.sup.2 is a hydrogen atom, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, or a substituted or unsubstituted aryloxy group, and G is a carbonyl group, a sulfonyl group, a sulfoxy group, a phosphoryl group, or an N-substituted or unsubstituted imino group and wherein said at least one light-insensitive top layer is hardened so as to have a melting time at least 50 seconds longer than that of the emulsion layer.
    Type: Grant
    Filed: October 15, 1986
    Date of Patent: March 12, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yasuo Kasama, Nobuaki Inoue
  • Patent number: H899
    Abstract: Disclosed is a light-sensitive silver halide photographic element which comprises photographic layers applied under the condition that the surface tension of a coating solution for forming an outermost layer is 6 dyn/cm or more smaller than the surface tension of a solution for forming a layer adjacent to the outermost layer, and satisfying at least one of the conditions shown below:(a) gelatin contained in at least the side of a support having a light-sensitive silver halide emulsion layer and a hydrophilic colloid layer is in an amount of 2.20 to 3.10 g/m.sup.2,(b) the photographic layers are formed by the constitution such that said coating solution for forming the outermost layer and said solution for forming the layer adjacent thereto each have a viscosity of 20 cp or less.
    Type: Grant
    Filed: March 21, 1990
    Date of Patent: March 5, 1991
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Akio Suzuki, Satoru Nagasaki, Eiji Yoshida, Masumi Hosaka
  • Patent number: H1063
    Abstract: Disclosed is a negative type light-sensitive silver halide photographic material comprising at least one light-sensitive silver halide emulsion provided on a support, wherein the ratio of silver amount to gelatin amount (Ag/Gel) (wherein the silver amount is the total silver amount in one or more layers provided in the same side as the light-sensitive silver halide emulsion layer with respect to the support, and the gelatin amount is the total gelatin amount in one or more gelatin layers provided in the same side as the light-sensitive silver halide emulsion layer with respect to the support) is 1.0 or more, and a hydrophilic colloid layer in the light-sensitive silver halide emulsion contains a hydrazine compound.
    Type: Grant
    Filed: November 6, 1989
    Date of Patent: June 2, 1992
    Inventor: Yuji Hosoi