Polycarboxylic Or Polysulfoxy Acid Or Derivative Patents (Class 430/634)
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Patent number: 9050763Abstract: A method for producing a retardation film comprising the steps of: co-extruding or simultaneously casting a thermoplastic resin A and a thermoplastic resin B to obtain a laminated film comprising a layer of the thermoplastic resin A and a layer of the thermoplastic resin B; and uniaxially stretching the laminated film at least twice to cross a molecular orientation axis in the layer of the thermoplastic resin A and a molecular orientation axis in the layer of the thermoplastic resin B each other at almost right angles.Type: GrantFiled: February 13, 2009Date of Patent: June 9, 2015Assignee: ZEON CORPORATIONInventors: Taku Hatano, Kohei Arakawa, Shunsuke Yamanaka
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Patent number: 7579139Abstract: A silver halide color photographic light-sensitive material, in which a non-light-sensitive hydrophilic colloidal layer, on a transmission-type support, contains a solid fine-particle dispersion of a dye represented by formula (I), any one of photographic constituting layers contains a compound represented by formula (A) and/or a compound represented by formula (B) or (FS-2), and the light-sensitive material does not contain any compound represented by formula (C): in formulas (I), (A), (B) and (C), D represents a group to give a compound having a chromophore; X represents a dissociable hydrogen or a group having a dissociable hydrogen; y is an integer from 1 to 7; R1 represents a substituted or unsubstituted alkyl or alkoxy group; R2 and R3 each independently represent a substituted or unsubstituted alkyl group; R4 represents a substituted or unsubstituted alkyl group; M, M1, M2 and M3 each independently represent a cation; n represents an integer of 1 to 7; A and B each independently represent a fluorType: GrantFiled: December 26, 2006Date of Patent: August 25, 2009Assignee: FUJIFILM CorporationInventors: Hidekazu Sakai, Shin Soejima, Shinji Tanaka
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Patent number: 7419775Abstract: A method of manufacturing a micro-particle dispersion having a hydrophobic protective colloid comprising the steps of: (a) dispensing micro-particles in a hydrophilic dispersant to form a hydrophilic micro-particle dispersion having the hydrophilic dispersant as a protective colloid, and (b) adding a dispersant to the hydrophilic micro-particle dispersion, the dispersant having a functional group capable of ion bonding with a hydrophilic group of the hydrophilic dispersant.Type: GrantFiled: November 8, 2005Date of Patent: September 2, 2008Assignee: Konica Minolta Medical & Graphic, Inc.Inventors: Hiroto Ito, Kazuhito Ihara
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Patent number: 7252865Abstract: Polymer films comprising plasticizer compounds represented by Structure 1 as described in the specification are useful as protective films in polarizing plates for display applications. Methods of manufacturing such polymer films and polarizing plates are also disclosed.Type: GrantFiled: September 20, 2004Date of Patent: August 7, 2007Assignee: Eastman Kodak CompanyInventors: Timothy C. Schunk, Donald R. Diehl, Daniel T. Linehan, Zora T. Marlowe, Deepak Shukla
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Patent number: 7229738Abstract: Disclosed is a silver halide photographic light-sensitive material comprising at least one silver halide emulsion layer on a support, which contains a fluorine compound having two or more fluorinated alkyl groups having two or more carbon atoms and 11 or less fluorine atoms and having at least one of an anionic hydrophilic group and a nonionic hydrophilic group, and has a characteristic curve drawn in orthogonal coordinates of logarithm of light exposure (x-axis) and optical density (y-axis) using equal unit lengths for the both axes, on which gamma is 5.0 or more for the optical density range of 0.3-3.0. There is provided a silver halide photographic light-sensitive material that provides high sensitivity, high contrast, favorable half tone dot quality and superior storage stability.Type: GrantFiled: January 30, 2003Date of Patent: June 12, 2007Assignee: Fujifilm CorporationInventors: Shoji Yasuda, Terukazu Yanagi
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Patent number: 7172855Abstract: Disclosed is a silver halide photographic light-sensitive material having a layer containing a compound of the following formula and a fluorine compound, and has a gamma of 5.0 or more for the optical density range of 0.3 to 3.0: wherein R1 is alkyl or alkenyl, R2 are H, alkyl, alkenyl, aralkyl or aryl, l1 is 1–10, m1 is 1–30, n1 is 0–4, a is 0 or 1, and Z1 is OSO3M or SO3M where M is cation.Type: GrantFiled: September 16, 2004Date of Patent: February 6, 2007Assignee: Fuji Photo Film Co., Ltd.Inventors: Shoji Yasuda, Yoshihisa Tsukada
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Patent number: 7122298Abstract: There is provided a silver halide photographic photosensitive material, containing a support and at least one photosensitive silver halide emulsion layer on the support, the silver halide photographic photosensitive material, further including at least one layer containing an emulsion having at least one surfactant represented by the formula (I), in which the photosensitive material contains a substantially non-color-forming photosensitive emulsion layer. The formula (I) is indicated as (R1—L)n-J-(A)m. In the formula: A represents an acid group or a metal salt thereof; R1 represents an aliphatic group; L represents a divalent group; J represents a linking group, having a valence of n plus m, which links R1—L and A; n represents a natural number of from 1 to 6; and m represents a natural number of from 1 to 3.Type: GrantFiled: March 25, 2005Date of Patent: October 17, 2006Assignee: Fuji Photo Film Co., Ltd.Inventor: Naoto Matsuda
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Patent number: 7105285Abstract: A silver halide color photosensitive material comprises a blue-sensitive layer, a green-sensitive layer, a red-sensitive layer and a non-light-sensitive layer on a support. The silver halide color photosensitive material contains a compound selected from the following type 1 and type 2 compounds, and wherein the blue-sensitive layer meets the relationship of the following formula (I): SB(370 nm)/SB(420 nm)<0.Type: GrantFiled: September 23, 2004Date of Patent: September 12, 2006Assignee: Fuji Photo Film Co., Ltd.Inventors: Toshitaka Ninomiya, Kiyoshi Morimoto, Koichi Yokota, Masahiko Taniguchi, Terukazu Yanagi
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Patent number: 7005250Abstract: A silver halide color photographic lightsensitive material comprising a support and, superimposed thereon, at least one blue-sensitive layer, at least one green-sensitive layer, at least one red-sensitive layer and at least one non-lightsensitive layer, wherein at least one fluorinated surfactant represented by the following general formula (A) or general formula (B) is contained and wherein a spectral sensitivity ratio at 370 nm as compared to that at 420 nm, which imparts the same density as that of the sensitivity at 420 nm in the spectral sensitivity distribution of the blue-sensitive layer, is 70% or less.Type: GrantFiled: September 26, 2003Date of Patent: February 28, 2006Assignee: Fuji Photo Film Co., Ltd.Inventors: Koichi Yokota, Terukazu Yanagi
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Patent number: 6994953Abstract: A silver halide photosensitive material comprises a light-sensitive silver halide emulsion layer on a support. The photosensitive material has a layer comprising an emulsified dispersion containing a surfactant represented by formula (I), and an emulsion containing tabular silver halide grains having an average aspect ratio of 8 or greater, and at least one sensitizing dye. (R1-LnJA)m??General formula (I) wherein A represents an acid group or a metal salt thereof, R1 represents an aliphatic group containing a linear aliphatic group having 6 or more carbon atoms as a partial structure thereof and having the total number of carbon atoms of 17 or more, L represents a bivalent group, J represents a linking group of n+m valence, n is an integer of 1 to 6, and m is an integer of 1 to 3. The molecular weight of surfactant of the formula (I) divided by m is 430 or greater.Type: GrantFiled: August 20, 2004Date of Patent: February 7, 2006Assignee: Fuji Photo Film Co., Ltd.Inventors: Naoto Matsuda, Yasushi Miyamoto, Tomokazu Yasuda
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Patent number: 6875565Abstract: A silver halide emulsion which comprises silver halide tabular grains showing an average thickness lower than 0.15 ?m, an average diameter of at least 1.20 ?m and an average aspect ratio of at least 8:1 dispersed in a hydrophilic colloid mixture comprising from 10% to 30% by weight of dextran, from 20% to 40% by weight of a hydrogenated polysaccharide having an average molecular weight equal to or lower than 10,000, and from 40% to 60% by weight of gelatin and photographic element comprising it.Type: GrantFiled: October 30, 2003Date of Patent: April 5, 2005Assignee: Ferrania, S.p.A.Inventors: Luca Ceruti, Simona Fava
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Patent number: 6872515Abstract: A silver halide photographic light-sensitive material having one or more layers including at least one light-sensitive silver halide emulsion layer on a support, wherein at least one of the layers contains at least one compound represented by R1-Z1 (R1 is an unsubstituted or hydroxy-substituted alkyl having 6-24 carbon atoms or an unsubstituted alkenyl group having 6-24 carbon atoms, and Z1 is OSO3M or SO3M, where M is a cation) and a fluorine-containing surfactant. There is provided a silver halide photographic light-sensitive material that shows superior antistatic property and can be stably produced.Type: GrantFiled: May 2, 2003Date of Patent: March 29, 2005Assignee: Fuji Photo Film Co., Ltd.Inventors: Yoshihisa Tsukada, Terukazu Yanagi, Kouichi Yokota
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Publication number: 20040086814Abstract: A silver halide emulsion which comprises silver halide tabular grains showing an average thickness lower than 0.15 &mgr;m, an average diameter of at least 1.20 &mgr;m and an average aspect ratio of at least 8:1 dispersed in a hydrophilic colloid mixture comprising from 10% to 30% by weight of dextran, from 20% to 40% by weight of a hydrogenated polysaccharide having an average molecular weight equal to or lower than 10,000, and from 40% to 60% by weight of gelatin and photographic element comprising it.Type: ApplicationFiled: October 30, 2003Publication date: May 6, 2004Applicant: Ferrania, S.p.A.Inventors: Luca Ceruti, Simona Fava
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Patent number: 6720134Abstract: A silver halide photographic emulsion comprising grains, wherein 70% or more of the total projected area of the grains is occupied by silver halide grains each meeting requirements (a) to (d) below (a) the grain is composed of a tabular silver halide host grain having two mutually parallel main planes and aspect ratio of 2 or more, and a silver halide protrusion portion epitaxially junctioned on the surface of the host grain; (b) the silver bromide contents of both the host grain and the protrusion portion are 70 mol % or more; (c) the percentage of the silver amount in the protrusion is 12% or less of the silver amount in the host grain; and (d) the grain has a shallow electron-trapping zone.Type: GrantFiled: January 14, 2002Date of Patent: April 13, 2004Assignee: Fuji Photo Film Co., Ltd.Inventors: Yasushi Miyamoto, Toshihiro Nishikawa, Nobuyuki Haraguchi, Hideo Ikeda, Takayoshi Mori
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Publication number: 20040048209Abstract: A silver halide photographic light-sensitive material having one or more layers including at least one light-sensitive silver halide emulsion layer on a support, wherein at least one of the layers contains at least one compound represented by R1-Z1 (R1 is an unsubstituted or hydroxy-substituted alkyl having 6-24 carbon atoms or an unsubstituted alkenyl group having 6-24 carbon atoms, and Z1 is OSO3M or SO3M, where M is a cation) and a fluorine-containing surfactant. There is provided a silver halide photographic light-sensitive material that shows superior antistatic property and can be stably produced.Type: ApplicationFiled: May 2, 2003Publication date: March 11, 2004Applicant: FUJI PHOTO FILM CO., LTD.Inventors: Yoshihisa Tsukada, Terukazu Yanagi, Kouichi Yokota
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Patent number: 6686139Abstract: A silver halide photographic material of the invention contains a support having on at least one surface thereof at least one photosensitive silver halide emulsion layer, and a surface protective layer. The silver halide photographic material of the invention may include a hydrophilic colloid layer containing a hydrophilic colloid, in addition to the surface protective layer. The silver halide photographic material of the invention contains at least two kinds of surfactants that are different from each other. One of the surfactants (type 1) has a fluoroalklyl group or a fluoroalkylene group. The other (type 2) is an anionic surfactant containing ethyleneoxy repeating units and having an alkyloxy group or an alkylcarbonyl group at an end thereof.Type: GrantFiled: May 22, 2003Date of Patent: February 3, 2004Assignee: Fuji Photo Film Co. Ltd.Inventors: Katsuhiko Kanazawa, Terukazu Yanagi, Yoshihisa Tsukada, Shinichi Ichikawa
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Publication number: 20030235793Abstract: A silver halide photographic material of the invention contains a support having on at least one surface thereof at least one photosensitive silver halide emulsion layer, and a surface protective layer. The silver halide photographic material of the invention may include a hydrophilic colloid layer containing a hydrophilic colloid, in addition to the surface protective layer. The silver halide photographic material of the invention contains at least two kinds of surfactants that are different from each other. One of the surfactants (type 1) has a fluoroalklyl group or a fluoroalkylene group. The other (type 2) is an anionic surfactant containing ethyleneoxy repeating units and having an alkyloxy group or an alkylcarbonyl group at an end thereof.Type: ApplicationFiled: May 22, 2003Publication date: December 25, 2003Inventors: Katsuhiko Kanazawa, Terukazu Yanagi, Yoshihisa Tsukada, Shinichi Ichikawa
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Patent number: 6613503Abstract: The invention relates to a photographic element comprising a reflection support and an overcoat layer wherein said overcoat layer comprises hydrophilic binder and lubricant, said lubricant has a particle mean diameter of greater than 1 &mgr;m and the volume of particles of lubricant below 1 &mgr;m is less than 5% of said total volume of lubricant.Type: GrantFiled: June 26, 1996Date of Patent: September 2, 2003Assignee: Eastman Kodak CompanyInventors: Walter Harold Isaac, James Stephen Honan, Edgar Erick Riecke
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Patent number: 6589723Abstract: A fluorocompound denoted by general formula (1) below (wherein R1 denotes a substituted or unsubstituted alkyl group having a total of at least six carbon atoms, with R1 not being an alkyl group substituted with a fluorine atom; Rf denotes a perfluoroalkyl group having not more than six carbon atoms; either X1 or X2 denotes a hydrogen atom and the other denotes SO3M; M denotes a cation; and n denotes an integer of not less than 1) was disclosed. A silver halide photographic light-sensitive material having at least one layer comprising a light-sensitive silver halide emulsion layer on a support and comprising a compound denoted by general formula (1) above was also disclosed.Type: GrantFiled: February 25, 2002Date of Patent: July 8, 2003Assignee: Fuji Film Co., Ltd.Inventors: Junichi Yamanouchi, Terukazu Yanagi, Tomokazu Yasuda, Nobuo Hamamoto
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Patent number: 6582896Abstract: A photothermographic material includes on a support a non-photosensitive sliver salt, a photosensitive sliver halide, a nucleation agent, and a binder, and a layer containing specific compounds is formed on an outer side of the image forming layer. Thus, there are obtained such images optimal for photomechanical processes as having a high Dmax (maximum density), a low fog, a good coated surface condition, and less surface defects such as repellency, coating lines or the like.Type: GrantFiled: August 3, 2000Date of Patent: June 24, 2003Assignee: Fuji Photo Film Co., Ltd.Inventors: Tadashi Ito, Yasuo Mukunoki
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Patent number: 6472136Abstract: A method for forming a dispersion of an oil-soluble photographically useful compound in water or a hydrophilic colloid composition is disclosed, comprising dispersing the compound in the presence of a water-soluble anionic group containing polymeric surfactant, wherein the polymeric surfactant comprises a copolymer obtained from the copolymerization of a maleic anhydride monomer and a copolymerizable ethylenically unsaturated hydrophobic monomer and the anionic groups of the polymeric surfactant comprise primarily carboxy groups obtained upon base hydrolysis of the anhydride groups of the copolymer. The use of hydrolyzed maleic anhydride derived copolymers in place of conventional small-molecule surfactants as a dispersing agent to stabilize photographically active water-insoluble dye couplers or other organic oil-soluble photographically useful compounds enables a dramatic reduction of crystallization of such organic molecules on long-term keeping.Type: GrantFiled: September 5, 2001Date of Patent: October 29, 2002Assignee: Eastman Kodak CompanyInventors: Julia S. Tan, Kurt M. Schroeder, Delaina A. Amos
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Patent number: 6416942Abstract: There is disclosed a silver halide photographic light-sensitive material which comprises a support and provided thereon at least one light-sensitive silver halide emulsion layer and at least one hydrophilic colloidal layer comprising a solid particle dispersion of a water-insoluble photographically useful compound, said solid particle dispersion being a dispersion comprising both a water-insoluble photographically useful compound of the formula 1 and a specific polymer having a carboxyl group and an alkoxycarbonyl group: wherein A is an acidic nucleus, L1, L2 and L3 each are a methine group which may be substituted, R1 and R3 each are a hydrogen atom or a substituent (including an atom), R2 is a substituent (including an atom), n is 0 or 1, m is an integer of 0 to 4, when m is an integer of 2 to 4, R2 may be the same or different, X is an electron-withdrawing group having Hammett's substitution constant &sgr;m of 0.3 to 1.5.Type: GrantFiled: September 27, 2000Date of Patent: July 9, 2002Assignee: Fuji Photo Film Co., Ltd.Inventors: Hiroki Sasaki, Masatoshi Nakanishi
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Publication number: 20020058213Abstract: A silver halide photosensitive material in which a noncoloring compound is used as a high-boiling-point organic solvent for dissolving components of the silver halide photosensitive material that have low solubility in water. Preferably, the silver halide photosensitive material has a hydrophilic colloid layer containing a hydrophilic polymer and the noncoloring compound is contained in the hydrophilic colloid layer. The silver halide photosensitive material produces durable colored images, reduces the formation of stains, improves storability, alleviates fogging and soft-toning of emulsion during storage, inhibits migration of a dispersion medium, is inexpensive, and is produced from materials that cause little damage to the environment.Type: ApplicationFiled: March 22, 2001Publication date: May 16, 2002Inventors: Hisashi Mikoshiba, Hiroyuki Yoneyama, Naoto Matsuda
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Patent number: 6136520Abstract: A photographic element is disclosed. The element comprises fine composite particles composed of fine inorganic particles bonded with a high boiling point compound. An excellent photographic element which exhibits high sensitivity, minimum fog, improved pressure resistance, no roller marks, and sufficient layer strength, all under low-replenished processing, protecting environmental pollution is obtained.Type: GrantFiled: December 14, 1998Date of Patent: October 24, 2000Assignee: Konica CorporationInventor: Yasuhiko Takamuki
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Patent number: 6022680Abstract: A silver halide color photographic light-sensitive material comprising a support having provided thereon at least one silver halide emulsion layer, wherein the silver halide emulsion layer contains at least one cyan dye forming coupler and at least one polymer latex represented by the following formula (I):--(A).sub.x --(B).sub.y -- (I)wherein A represents a repeating unit derived from at least one ethylenically unsaturated monomer having at least one --COOM group (wherein M represents a hydrogen atom or a cation) in its molecule; B represents a repeating unit derived from at least one ethylenically unsaturated monomer which does not have the --COOM group; and x and y represent weight percentages of A and B, respectively, x represents a number of from 25 to 85, y represents a number of from 75 to 15, and x+y=100.Type: GrantFiled: June 11, 1997Date of Patent: February 8, 2000Assignee: Fuji Photo Film Co., Ltd.Inventors: Junichi Yamanouchi, Masashi Ogiyama, Osamu Takahashi
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Patent number: 6010840Abstract: A method has been described for preparing a gelatinous emulsion having grains rich in silver choride, wherein at least 70%, and more preferred 90%, of the total projected area of all grains is provided by {111} tabular grains having an average aspect ratio of more than 2:1, an average equivalent circular diameter of at least 0.3 .mu.m and an average thickness of from 0.05 to 0.25 .mu.Type: GrantFiled: January 19, 1999Date of Patent: January 4, 2000Assignee: Agfa-Gevaert, N.V.Inventors: Peter Verrept, Ann Verbeeck, Nadia Vermant, Frank Louwet
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Patent number: 6004740Abstract: A method is disclosed for washing silver halide photographic emulsions, including desalting and/or concentrating, based on depletion phase separation mechanism, wherein phase separation is effected by the addition of water-soluble non-interactive and non-adsorbing carboxyl polymers. The process involves the separation of the supernatant fluid, containing the undesirable water soluble salts and the added phase separating agents, from the washed and condensed silver halide phase for desalting and redispersion of the latter.Type: GrantFiled: August 28, 1997Date of Patent: December 21, 1999Assignee: Eastman Kodak CompanyInventors: Julia S. Tan, Ramesh Jagannathan
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Patent number: 5994049Abstract: A method is disclosed for washing silver halide photographic emulsions, including desalting and/or concentrating, based on depletion phase separation mechanism, wherein phase separation is effected by the addition of water-soluble non-interactive and non-adsorbing non-ionic polymers or non-ionic surfactant micelles. The process involves the separation of the supernatant fluid, containing the undesirable water-soluble salts and the added phase separating agents, from the washed and condensed silver halide phase and redispersion of the latter.Type: GrantFiled: August 28, 1997Date of Patent: November 30, 1999Assignee: Eastman Kodak CompanyInventors: Julia S. Tan, Ramesh Jagannathan
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Patent number: 5989802Abstract: Recording materials and a method of manufacturing said materials by coating hydrophilic colloidal layer compositions on a support by slide-hopper or curtain-coating techniques, followed by drying, said materials comprising a support and one or more light-sensitive and/or heat-sensitive layer(s) having a hydrophilic colloidal coating composition comprising no gelatin(in the case of (photo)thermographic materials) or gelatin in low amounts in order to provide a ratio by weight of gelatin to silver halide expressed as an equivalent amount of silver nitrate in the range from 0.05 to 0.4 (in the case of a light-sensitive silver halide photographic material) and thickening agents composed of synthetic clay and anionic macromolecular polyelectrolytes and wherein said synthetic clay is present in an amount of at least 85% by weight versus a total amount of thickening agents.Type: GrantFiled: June 2, 1997Date of Patent: November 23, 1999Assignee: Agfa-Gevaert, N.V.Inventor: Hubert Vandenabeele
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Patent number: 5972591Abstract: The invention is generally accomplished by providing a photographic element and a process of its formation wherein a gelatin silver halide emulsion is provided with a thickener comprising a copolymer of the structure whereinA comprises about 10 to about 20 parts by weight of said copolymer, andB comprises about 80 to about 90 parts by weight of said copolymer.It is particularly preferred that the copolymer be provided in a hardener layer to minimize the amount of gelatin needed and thus reduce the reaction of hardener with gelatin. The invention finds a preferred use in curtain coating wherein there is a greater need for high viscosity materials, particularly at the bottom of a group of layers in order to minimize distortions of the layers as they are applied in the curtain coating process.Type: GrantFiled: December 30, 1993Date of Patent: October 26, 1999Assignee: Eastman Kodak CompanyInventors: Marianne Yarmey, Wayne Arthur Bowman, Stephen Joseph Kozak, Gary Francis Mitchell, Glenn Thomas Pearce, Melvin David Sterman
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Patent number: 5928850Abstract: A silver halide photographic light-sensitive material is disclosed. The light-sensitive material comprises a dispersion material which is obtained by emulsifying a mixture of a yellow coupler represented by the formula and a polymer compound that is insoluble in water and soluble in an organic solvent.Type: GrantFiled: February 18, 1997Date of Patent: July 27, 1999Assignee: Konica CorporationInventors: Kazuhiro Murai, Shigeo Tanaka, Kunimasa Hiyama
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Patent number: 5888719Abstract: A color photographic material with a support and at least one spectrally sensitised silver halide emulsion layer containing at least one color coupler, which layer contains a polymer with repeat units of the structure I ##STR1## in which R.sub.1, R.sub.2, R.sub.3 are identical or different and mean hydrogen, alkyl or halogen,L means a chemical bond or a linking member andX means a group which reacts with NH.sub.2 --, COOH-- or OH-- groups in an addition or condensation reaction,in dispersed form with an average particle size of <300 nm, is distinguished by improved "dark fading" stability.Type: GrantFiled: July 29, 1996Date of Patent: March 30, 1999Assignee: AGFA-Gevaert AGInventor: Gunter Helling
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Patent number: 5773204Abstract: The invention concerns a process for coating a photographic support.The process consists of depositing on a support a succession of at least two layers, at least one of which consists of a photosensitive composition, the top layer, situated at the opposite side to the support, containing a given concentration of at least one surfactant, the process being characterized in that a surfactant present in the top layer is introduced into the layer adjacent to the top layer at a concentration equal to at least 25% of the concentration of the same surfactant in the said top layer.Type: GrantFiled: March 17, 1997Date of Patent: June 30, 1998Assignee: Eastman Kodak CompanyInventor: Jean Marie Baumlin
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Patent number: 5763150Abstract: Surfactants useful as dispersing aids in the preparation of compositions comprising a hydrophilic colloid having hydrophobic particles dispersed therein have the structure ##STR1## wherein M is a cation;X represents a group having the structure ##STR2## wherein each of R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently represents hydrogen or alkyl; or R.sup.1 and R.sup.2 taken together represent cycloalkyl; or R.sup.3 and R.sup.4 taken together represent cycloalkyl; and,n represents 0 or 1;provided that the total number of carbon atoms in each X group is 3 or 4, and when R.sup.1 is hydrogen R.sup.2 is other than methyl. Such surfactants offer coating and photographic property advantages when incorporated in multilayer photographic materials comprising a support bearing a plurality of hydrophilic colloid layers.Type: GrantFiled: July 23, 1996Date of Patent: June 9, 1998Assignee: Eastman Kodak CompanyInventors: Alan Robert Pitt, Trevor John Wear, Danuta Gibson
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Patent number: 5753422Abstract: A silver halide color photographic material is disclosed, which comprises a support having thereon a red-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer, and a blue-sensitive silver halide emulsion layer, wherein at least one emulsion layer contains a monodisperse tabular silver halide emulsion having an aspect ratio of 3 or more and less than 100 and relative standard deviation of grain sizes of 20% or less, and at least one layer contains at least one of the anionic water-soluble polymer represented by formula (1), the dispersion of alkali-soluble polymer represented by formula (2), or the dispersion of polymer represented by formula (3): ##STR1## wherein the substituents are as defined herein the specification.Type: GrantFiled: April 26, 1996Date of Patent: May 19, 1998Assignee: Fuji Photo Film Co., Ltd.Inventors: Yoshihiko Shibahara, Junichi Yamanouchi
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Patent number: 5719015Abstract: A silver halide photographic material comprising a support having thereon at least one silver halide light-sensitive layer and at least one light-insensitive layer, wherein the support comprises a poly(alkylene aromatic dicarboxylate) having a glass transition temperature of from 50.degree. C. to 200.degree. C. and is heat-treated at a temperature of not lower than 40.degree. C., but lower than the glass transition temperature for 0.1 to 1500 hours after molding the polymer into the support and before the coating of the silver halide light-sensitive layer, and said at least one light-insensitive layer contains a dispersion of crystallites of at least one dye represented by general formula (I):D--(X).sub.y (I)wherein D represents a moiety having a chromophoric group; X represents a dissociable proton or a group having a dissociable proton which is bonded to D either directly or through a bivalent bonding group; and y represents an integer of 1 to 7.Type: GrantFiled: May 14, 1996Date of Patent: February 17, 1998Assignee: Fuji Photo Film Co., Ltd.Inventors: Keiji Mihayashi, Kiyoshi Nakazyo
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Patent number: 5679505Abstract: A photographic film that is especially useful as a motion picture print film is comprised of a support having, in order, on one side thereof an antihalation undercoat and at least one silver halide emulsion layer and having, in order, on the opposite side thereof an antistatic layer and a protective topcoat; wherein the protective topcoat is comprised of a polyurethane binder and a lubricant and the polyurethane binder has a tensile elongation to break of at least 50% and a Young's modulus measured at 2% elongation of at least 50000 lb/in.sup.2. The polyurethane binder provides a tough but flexible protective topcoat that is capable of resisting abrasion and scratching when the film is conveyed through a projector and capable of standing up to the repeated use to which motion picture print films are typically subjected.Type: GrantFiled: December 21, 1995Date of Patent: October 21, 1997Assignee: Eastman Kodak CompanyInventors: Kenneth Lloyd Tingler, Charles Chester Anderson, Lori Jeanne Shaw-Klein
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Patent number: 5618657Abstract: A photographic element comprises a polyester support bearing a light-sensitive silver halide photographic emulsion layer, the support having adjacent thereto a polymer-containing subbing layer, the subbing layer having adjacent thereto a layer comprising a hydrophilic binder containing dispersed droplets of a high boiling organic liquid, the liquid being selected form the group consisting of oleyl alcohol and esters of organic or inorganic acids which have a value for the logarithm of their octanol/water partition coefficient (Log P) of from 2.6 to 6.7.Type: GrantFiled: February 17, 1995Date of Patent: April 8, 1997Assignee: Eastman Kodak CompanyInventors: John B. Rieger, Paul L. Zengerle, John W. Boettcher
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Patent number: 5610002Abstract: This invention describes gelatin thickening compounds for photographic coating melts with the general structure: ##STR1## wherein: A is an aromatic or heteroaromatic group;X is SO.sub.3 M or CO.sub.2 MM is H or an alkali metal, ammonium or pyridinium ion; each R1 and R2 is independently an alkyl or substituted alkyl group, each alkyl group being straight or branched chain and having 1 to 30 carbon atoms;each R3 and R4 is independently H or an alkyl or substituted alkyl group, each alkyl group being straight or branched chain and having 1 to 30 carbon atoms;each of a, b, c and e is independently 0, 1, 2 or 3, with the proviso that a+b+c+e is at least 1; andd is 1, 2, or 3;with the further proviso that when A is phenyl, X is SO.sub.3 M, d is 1 and any one of a, c, or e is 1, the sum of a+b+c+e is at least 2; and wherein there is a substantial absence of a compound containing one or more --SO.sub.2.sup.- groups in the composition.Type: GrantFiled: November 13, 1995Date of Patent: March 11, 1997Assignee: Eastman Kodak CompanyInventors: Robert J. Ross, Pranab Bagchi, Richard W. Connelly
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Patent number: 5589322Abstract: A process for making a direct dispersion of a photographically useful material is disclosed comprising subjecting a mixture of an aqueous gelatin solution, a liquid organic phase comprising a photographically useful material, and an ionic polymer to conditions of high shear or turbulence to form a fine dispersion of the organic phase having an average particle size of less than 0.5 micron dispersed in the aqueous solution; wherein the ratio of the organic phase viscosity to the aqueous gelatin solution viscosity in the absence of the ionic polymer, measured at the temperature of the dispersion forming step, is greater than a value of 2.0, and the ionic polymer is a water soluble or dispersible substantially non-surface active polyelectrolyte which has a molecular weight of at least 10,000 selected from: i) synthetic polymers derived from at least 5 mole % of monomers which contain --OSO.sub.3 M, --SO.sub.3 M, --COOM, or ---OPO(OM).sub.Type: GrantFiled: December 12, 1995Date of Patent: December 31, 1996Assignee: Eastman Kodak CompanyInventors: Lloyd A. Lobo, Aileen M. Svereika
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Patent number: 5543288Abstract: There is disclosed a novel surface-active compound, and a silver halide photographic material and a processing solution for a silver halide photographic material containing the same. The surface-active compound is represented by the following formula (I): ##STR1## Wherein R.sup.1 represents an aliphatic group, an alicyclic compound group, an aromatic group, or a heterocyclic ring; R.sup.2 represents an aliphatic group, an alicyclic compound group, an aromatic group, a heterocyclic ring, or a group represented by --L--Z; Q.sup.1, Q.sup.2, and Q.sup.3 each represent a single bond, an oxygen atom, a sulfur atom, or a group represented by --N(R.sup.3)--, in which R.sup.3 represents a hydrogen atom or a group represented by R.sup.2 ; L represents a divalent linking group; and Z represents an ionic group.Type: GrantFiled: August 10, 1994Date of Patent: August 6, 1996Assignee: Fuji Photo Film Co., Ltd.Inventors: Tomokazu Yasuda, Yukio Karino, Masatoshi Nakanishi
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Patent number: 5503967Abstract: The present invention relates to a silver halide photographic material comprising a support and at least one silver halide emulsion layer coated thereon, wherein said silver halide emulsion layer comprises from 5 to 15% by weight of a water-soluble, electrically conductive copolymer (1) containing carboxylic groups and sulfonic groups and wherein a hydrophilic colloid layer comprising a combination of a fluorinated surfactant (2), a non-ionic polyoxyethylene surfactant (3) and an anionic polyoxyethylene surfactant (4) is coated on said at least one silver halide emulsion layer.Type: GrantFiled: August 17, 1995Date of Patent: April 2, 1996Assignee: Minnesota Mining and Manufacturing CompanyInventors: Fulvio Furlan, Renzo Torterolo
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Patent number: 5492800Abstract: A silver halide photographic light-sensitive material has at least one silver halide emulsion layer. 50% or more of a total projected area of silver halide grains of at least one silver halide emulsion in the silver halide emulsion layer are accounted for by tabular grains each having an average aspect ratio of 2 or more and containing dislocations.Type: GrantFiled: June 3, 1994Date of Patent: February 20, 1996Assignee: Fuji Photo Film Co., Ltd.Inventor: Hiroyuki Yamagami
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Patent number: 5486451Abstract: A method is disclosed of preparing washed silver halide photographic emulsions wherein silver halide grain formation is effected in the presence of an acid-coagulable gelatin derivative or a mixture of gelatin and an acid-coagulable gelatin derivative and coagulation of the emulsion occurs in the presence of ionic copolymers of styrene sulfonic acid and maleic acid.Type: GrantFiled: August 4, 1994Date of Patent: January 23, 1996Assignee: Minnesota Mining and Manufacturing CompanyInventors: Alberto Vacca, Paolo Barletta
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Patent number: 5476762Abstract: A silver halide photographic light-sensitive material comprises a support and provided thereon, a photographic component layer comprising a silver halide emulsion layer, the material being processed in 10 seconds to less than 45 seconds, wherein the photographic component layer comprises polymer latex of a polymer containing in its chemical structure a unit derived from a monomer having a solubility in water of 25.degree. C. of 0.000 to 0.025% by weight and the pH of the surface on the silver halide emulsion layer side of the material is not more than 6.0.Type: GrantFiled: December 13, 1994Date of Patent: December 19, 1995Assignee: Konica CorporationInventor: Toshiyuki Marui
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Patent number: 5472838Abstract: Silver halide emulsions with tabular grains showing increased aspect ratio are produced by adding to the precipitiation vessel a compound of the formula I: ##STR1## in which R.sub.1 means H or optionally substituted alkyl, aralkyl or cycloalkylR.sub.2 means H or optionally substituted alkyl, aryl or aralkyl or a polymer chainR.sub.3 means H, OH, alkyl, aryl, aralkyl, halogen, NHR.sub.4, O--CO--R.sub.4, O--CO--NHR.sub.4 or an optionally substituted oxazoline ringR.sub.4 means optionally substituted or alkyl, aralkyl or arylm means 2 or 3,n means 2 to 10,000,or a compound of the formula II ##STR2## in which R.sub.1, R.sub.3, n and m have the meaning stated above and may be identical or different andR.sub.5 means optionally substituted alkene, arylene, aralkene or a polyaddition, polycondensation or polymerisation chain.Type: GrantFiled: July 11, 1994Date of Patent: December 5, 1995Assignee: Agfa-Gevaert AGInventors: Gunter Helling, Klaus Wagner
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Patent number: 5439787Abstract: A silver halide photographic emulsion prepared in the presence of at least one member of polymers comprising at least one repeating unit derived from at least one member of monomers represented by the following formula (1) ##STR1## wherein R.sup.1 represents a hydrogen atom or a lower alkyl group; R.sup.2 represents a monovalent substituent group; R.sup.3 represents an alkylene group having 3 to 10 carbon atoms; L represents a bivalent bonding group; and n represents the mean number of a repeating unit represented by --R.sup.3 --O-- and is a number of at least 4, but not more than 200.Type: GrantFiled: July 7, 1994Date of Patent: August 8, 1995Assignee: Fuji Photo Film Co. Ltd.Inventors: Junichi Yamanouchi, Yoichi Hosoya, Shigeharu Urabe
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Patent number: 5411844Abstract: A coating composition for applying a layer to a photographic element and the resulting photographic element comprising gelatin, water and from 0.3 to 1 gm/100 gms of the composition of a surfactant mixture of 15 to 70 percent by weight of a dioctyl sulfosuccinate, sodium salt or di-fluoroalkylsulfosuccinate, sodium salt, from 35 to 75 percent by weight of a nonylphenoxy polyglycidyl alcohol, and from 3 to 14 percent by weight of perfluoro-octyl sulfonamido, N-hydrogen, N-propylene trimethylammonium iodide based on the total weight of the surfactant mixture; when a dioctyl sulfosuccinate, sodium salt is used, the minimum amount thereof is 0.15 gm/100 gm of coating composition.Type: GrantFiled: March 31, 1994Date of Patent: May 2, 1995Assignee: Eastman Kodak CompanyInventor: Michael W. Orem
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Patent number: 5395747Abstract: Certain poly(lactic acid) and poly(glycolic acid) polymers or copolymers, and certain carbonates, lactones, lactates, lactylates, lactides, glycolates, glycolylates, and glycolides have been found to stabilize thermal-dye-bleach constructions containing a dye in association with a thermally-generated-bleaching agent. Preferably, the thermally-generated-bleaching agent is a thermal-carbanion-generating agent such as a quaternary ammonium salt of a phenylsulfonylacetic acid or a thermal-nucleophile-generating agent such as an ammonium salt of a phenylsulfonylacetic acid. These materials have been found to be particularly effective when used in acutance and antihalation systems for photothermographic and photographic elements.Type: GrantFiled: December 20, 1993Date of Patent: March 7, 1995Assignee: Minnesota Mining & Manufacturing CompanyInventors: Randall H. Helland, William D. Ramsden, Roger A. Mader
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Patent number: H1547Abstract: Disclosed is a silver halide photographic light-sensitive material for laser beam scanning use, comprising a support and a silver halide emulsion layer on one side of said support, which layer having a silver coating weight of not more than 3.5 g/m.sup.2, and at least one polymer matting agent on the one side of the silver halide emulsion layer, wherein the silver halide emulsion layer comprises chemically unripened silver halide grains having an average grain diameter of 0.8 .mu.m to 2.0 .mu.m and chemically ripened silver halide grains having an average grain diameter of 0.1 .mu.m to 0.6 .mu.m in a ratio of 30:70 to 5:95.Type: GrantFiled: January 26, 1995Date of Patent: June 4, 1996Assignee: Konica CorporationInventor: Nobuaki Tsuji