Silver Halide Colloid Tanning Process, Composition, Or Product Patents (Class 430/264)
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Publication number: 20040043338Abstract: A thermally developable light-sensitive material comprising a support having thereon light-sensitive silver halide grains, an organic silver halide salt and a reducing agent, wherein when a regression line is obtained by plotting color coordinates (u*, v*) of the thermally developable light-sensitive material at optical densities of 0.5, 1.0, 1.5 and the minimum density on a two dimensional coordinates of CIE 1976 (L* u* v*) color space, in which the abscissa is u* and the ordinate is v*, a coefficient of determination R2 of the regression line is from 0.998 to 1.000.Type: ApplicationFiled: July 31, 2003Publication date: March 4, 2004Applicant: Konica CorporationInventor: Hiroyuki Yanagisawa
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Patent number: 6699647Abstract: Photothermographic imaging materials having increased photospeed are provided by certain tellurium chemical sensitizers that are added during the formulation of a photothermographic emulsion.Type: GrantFiled: October 11, 2001Date of Patent: March 2, 2004Assignee: Eastman Kodak CompanyInventors: Doreen C. Lynch, Andrea L. Opatz, Steven M. Shor, Sharon M. Simpson, Brian C. Willett, Henry J. Gysling
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Publication number: 20040038162Abstract: The invention provides a heat developable photosensitive material including a substrate, and at least one constituent layer which contains a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent for thermal developing and a binder. The material includes at least one reducing agent that does not form a dye at the time of thermal developing and at least one reducing forming a dye at the time of thermal developing, and the dye-forming reducing agent is more active than the reducing agent that does not form a dye at the time of thermal developing.Type: ApplicationFiled: August 7, 2003Publication date: February 26, 2004Inventor: Yasuhiro Yoshioka
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Publication number: 20040038161Abstract: The present invention provides the photothermographic material including a photosensitive silver halide, a reducing agent for reducing silver ions, a binder and a non-photosensitive organic silver salt, wherein the photosensitive silver halide has a silver iodide content ranging from 40 mol % to 100 mol %, and has a particle size ranging from 5 nm to 80 nm, and wherein the non-photosensitive organic silver salt is prepared in the presence of the photosensitive silver halide which has been preformed, such that the non-photosensitive organic silver salt includes the photosensitive silver halide.Type: ApplicationFiled: August 7, 2003Publication date: February 26, 2004Inventor: Tomoyuki Ohzeki
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Patent number: 6696215Abstract: Disclosed is a silver halide photographic light-sensitive material comprising at least one silver halide emulsion layer on a support, which contains a compound of which one-electron oxidized derivative produced by one electron oxidation of the compound is capable of releasing two or more electrons with a bond cleavage 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. This silver halide photographic light-sensitive material shows high contrast and high sensitivity.Type: GrantFiled: October 3, 2002Date of Patent: February 24, 2004Assignee: Fuji Photo Film Co., Ltd.Inventors: Shoji Yasuda, Kohzaburoh Yamada
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Publication number: 20040033454Abstract: The present invention provides a photothermographic material, comprising a photosensitive silver halide, a non-photosensitive organic solvent salt, a reducing agent for a silver ion, and a binder on one face of a support, for being applied by using an organic solvent, the photothermographic material further comprising at least one compound selected from the group of compounds consisting of: a compound represented by the following general formula (1), a compound having a &bgr;-lactam ring, a compound having a group that is adsorptive to a silver halide and a group that reduces a silver halide and a precursor thereof: 1Type: ApplicationFiled: August 4, 2003Publication date: February 19, 2004Inventors: Tomoyuki Ohzeki, Hiroyuki Mifune, Tadashi Inaba, Kohzaburoh Yamada, Katsuyuki Watanabe
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Publication number: 20040023149Abstract: The present invention relates to a method for developing an exposed high contrast photographic silver halide material, said photographic material comprising a support bearing at least one silver halide emulsion layer, containing at least one hydrazide nucleating agent.Type: ApplicationFiled: June 19, 2003Publication date: February 5, 2004Inventors: Jacques Roussilhe, Siu C. Tsoi, John D. Goddard, Llewellyn J. Leyshon
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Publication number: 20040018458Abstract: The present invention provides a photothermographic material including a support having disposed on one surface of the support, at least one image forming layer containing a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, a development accelerator and a binder, and at least one protective layer on the identical surface, wherein 50% by mass or more of the binder contained in the image forming layer is a water soluble binder, and the reducing agent is contained in the form of a solid dispersion.Type: ApplicationFiled: May 15, 2003Publication date: January 29, 2004Inventor: Hajime Nakagawa
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Publication number: 20040013967Abstract: 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: ApplicationFiled: January 30, 2003Publication date: January 22, 2004Inventors: Shoji Yasuda, Terukazu Yanagi
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Publication number: 20040009423Abstract: A single-side coated silver halide photographic film material has been disclosed, said film material comprising a support, at least one light-sensitive emulsion layer and a substantially light-insensitive protective hydrophilic colloid layer farther away from said support than said emulsion layer, wherein said emulsion layer contains a silver halide emulsion rich in silver bromide with cubic crystals having an average numerical diameter in the range from 0.4 up to 0.Type: ApplicationFiled: June 30, 2003Publication date: January 15, 2004Inventors: Leo De Bie, Johan Loccufier, Ludo Joly, Marc Van den Zegel, Paul Callant
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Publication number: 20040005511Abstract: The present invention relates to an ultrahigh contrast photographic material comprising a support bearing a silver halide emulsion layer, containing at least one hydrazide nucleating agent in the emulsion layer and/or a hydrophilic colloid layer, wherein the nucleating agent comprises 2 to 4 hydrazide moieties which are linked directly to one another or to one another by a linking group. The material optionally contains a booster compound in the emulsion layer or hydrophilic colloid layer to enhance the ultrahigh contrast and to promote activity, or a booster compound may be present in the developer solution.Type: ApplicationFiled: June 19, 2003Publication date: January 8, 2004Applicant: Eastman Kodak CompanyInventors: John D. Goddard, Llewellyn J. Leyshon
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Patent number: 6673508Abstract: A planographic printing plate material and a method of preparing a planographic printing plate are disclosed, the planographic printing plate material comprising a support and provided thereon, one or more structural layers containing light sensitive silver halide grains, organic silver salt grains, a reducing agent, a contrast-increasing agent and a physical developing nucleus.Type: GrantFiled: March 12, 2002Date of Patent: January 6, 2004Assignee: Konica CorporationInventor: Takeshi Sampei
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Patent number: 6670092Abstract: The invention relates to a recording material for the production of offset printing plates having a web- or plate-form support, a radiation-sensitive layer on the front of the support and a continuous layer on its back. The back layer has a glass transition temperature Tg of at least 55° C. and a surface resistance of 106&OHgr; or less.Type: GrantFiled: March 1, 2002Date of Patent: December 30, 2003Assignee: Agfa-GevaertInventors: Steffen Denzinger, Michael Dörr
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Publication number: 20030235792Abstract: Disclosed are a silver halide photographic light-sensitive material comprising silver halide containing a metal complex having a cyanide ligand in a silver halide emulsion layer and comprising a hydrazine compound having an onium group in the molecule, and a method of developing the silver halide photographic light-sensitive material with a developer having a pH of 9.0-11.0. The silver halide photographic light-sensitive material of the present invention can provide high sensitivity, high processing stability and high contrast images.Type: ApplicationFiled: March 21, 2003Publication date: December 25, 2003Inventors: Tokuju Oikawa, Tadashi Ito, Katsuyuki Watanabe, Mitsunori Hirano, Yasutomo Kawanishi
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Publication number: 20030232272Abstract: Disclosed is a silver halide photographic light-sensitive material comprising at least one silver halide emulsion layer on a support, which contains a compound of which one-electron oxidized derivative produced by one electron oxidation of the compound is capable of releasing two or more electrons with a bond cleavage 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. This silver halide photographic light-sensitive material shows high contrast and high sensitivity.Type: ApplicationFiled: October 3, 2002Publication date: December 18, 2003Inventors: Shoji Yasuda, Kohzaburoh Yamada
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Publication number: 20030215756Abstract: A photothermographic material comprising a support and having thereon an image forming layer containing an organic silver salt, light-sensitive silver halide grains, binder and a reducing agent, wherein the reducing agent comprises: a reducing agent A containing at least a bisphenol derivative represented by following Formula (A-1); and a reducing agent B containing at least a bisphenol derivative not represented by the Formula (A-1), and the amount of reducing agent A is 5 to 45 weight % of the total weight of the reducing agent A and reducing agent B.Type: ApplicationFiled: December 27, 2002Publication date: November 20, 2003Inventors: Kiyokazu Morita, Narito Goto, Ayumu Nishijima
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Patent number: 6649329Abstract: The present application relates to a photothermographic material comprising, on a side of a support, (a) a photosensitive silver halide, (b) a reducible silver salt, (c) a phenol derivative having the specific structure as reducing compound, (d) a binder, (e) a coupler compound, and (f) a compound represented by Q1—NHNH—V6 wherein Q1 is a 5- to 7-membered unsaturated ring and V6 is a carbamoyl group, etc.Type: GrantFiled: August 3, 2001Date of Patent: November 18, 2003Assignee: Fuji Photo Film Co., Ltd.Inventors: Toyohisa Oya, Kazunobu Katoh
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Patent number: 6649338Abstract: A silver salt photohermographic material is disclosed, comprising a support having provided thereon a light-sensitive layer containing light-sensitive silver halide, a light-insensitive organic silver salt and a binder, wherein the photohermographic material exhibits a gradation of 2.0 to 5.0 within the density region of 0.5 and 2.0 on a photographic characteristic curve obtained when the photothermographic material is subjected to exposure of 50 &mgr;J/cm2 and thermal development at 124° C. for 16 sec.; the light-sensitive layer comprises lower and upper layers and a glass transition temperature of a binder contained in the lower layer being higher than that of a binder contained in the upper layer.Type: GrantFiled: June 5, 2002Date of Patent: November 18, 2003Assignee: Konica CorporationInventor: Tsuyoshi Mitsuhashi
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Patent number: 6645691Abstract: Disclosed is a silver halide photographic light-sensitive material in the shape of a light-shielded light-sensitive material roll, which 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 in the shape of a light-shielded light-sensitive material roll suffering from little influence on photographic properties after long term storage.Type: GrantFiled: July 16, 2002Date of Patent: November 11, 2003Assignee: Fuji Photo Film Co., Ltd.Inventor: Shoji Yasuda
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Patent number: 6638706Abstract: A photothermographic recording material comprising on one side of a support an image recording layer comprising a light-insensitive organic silver salt, a photosensitive silver halide, a reducing agent for silver ions and a binder, wherein the difference in specular glossiness at an angle of 60° between a thermally developed exposed area of the image recording layer and the bottom support surface opposite the exposed area of the recording material is at least 15.Type: GrantFiled: April 18, 2002Date of Patent: October 28, 2003Assignee: Konica CorporationInventor: Toshiyuki Matsumura
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Publication number: 20030194638Abstract: Disclosed is a highly sensitive photothermographic material containing on a support a silver salt of an organic acid, a photosensitive silver halide, a reducing agent, a binder and, for example, a compound of which one-electron oxidized derivative produced by one electron oxidation of the compound is capable of releasing two or more electrons with a bond cleavage.Type: ApplicationFiled: October 3, 2002Publication date: October 16, 2003Inventors: Takahiro Goto, Kohzaburoh Yamada, Tomoyuki Ohzeki, Eiichi Okutsu, Shoji Yasuda
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Patent number: 6627375Abstract: A silver halide photographic material is disclosed, comprising a support having provided thereon at least a silver halide emulsion layer, which contains at least one compound represented by the following formula (I), and has a characteristic curve of gamma value being 5.0 or more in optical density of from 0.3 to 3.0 on the characteristic curve shown on the orthogonal axis of coordinates having equal unit length expressed by logarithmic exposure amount (x axis) and optical density (y axis): (X)l—(L)m—(A—B)n (I) wherein X represents a silver halide-adsorptive group having at least one of N, S, P, Se and Te atom, or a light absorptive group; L represents a divalent linking group having at least one of C, N, S and O atom; A represents an electron donative group; B represents a releasing group or a hydrogen atom, which forms radical A. by releasing or deproton after oxidation; l and m each represents an integer of from 0 to 3; and n represents 1 or 2.Type: GrantFiled: December 21, 2001Date of Patent: September 30, 2003Assignee: Fuji Photo Film Co., Ltd.Inventor: Shoji Yasuda
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Patent number: 6620582Abstract: A photothermographic light-sensitive material for making a printing plate comprising a support having thereon a light-sensitive layer containing light-sensitive silver halide grains, organic silver salt grains, a reducing agent and a binder, wherein the organic silver salt grain comprises a organic silver salt having 10 or more of carbon atoms and the photothermographic light-sensitive material has an outermost layer at a light-sensitive layer side of the support having a coefficient of water absorption of not less than 0.7%.Type: GrantFiled: December 19, 2001Date of Patent: September 16, 2003Assignee: Konica CorporationInventor: Kazuhiko Hirabayashi
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Patent number: 6610469Abstract: The present invention provides a photothermographic material having an image-forming layer that contains a non-photosensitive silver salt of an organic acid, a photosensitive silver halide, a specific nucleating agent, a compound represented by the formula (1) and a binder on at least one side of a support: wherein P represents an oxygen atom, a sulfur atom or NH, Q represents an oxygen atom or a sulfur atom, Y represents OH, OM (M represents a counter ion) or NH2, L represents a divalent bridging group, and Z represents an alkyl group, an aryl group or a heterocyclic group.Type: GrantFiled: January 16, 2002Date of Patent: August 26, 2003Assignee: Fuji Photo Film, Co., Ltd.Inventor: Makoto Ishihara
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Publication number: 20030127016Abstract: There is disclosed a dampening composition for lithographic printing which comprises a (poly) propylene glycol alkyl ether and an ethylene oxide adduct of acetylene glycol.Type: ApplicationFiled: September 25, 2002Publication date: July 10, 2003Inventors: Hiroyuki Kurokawa, Toshiro Kondo
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Publication number: 20030124452Abstract: The invention relates to a packaging material comprising in order a ultraviolet radiation cured environmental protection layer, a primer layer, a hydrophilic image layer, a base and an adhesive layer.Type: ApplicationFiled: December 21, 2001Publication date: July 3, 2003Applicant: Eastman Kodak CompanyInventors: Mridula Nair, William T. Rochford, Kenneth W. Best, Robert P. Bourdelais
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Patent number: 6586170Abstract: A thermographic recording element having at least one image forming layer contains an organic silver salt, a reducing agent, and optionally, a photosensitive silver halide. The element further contains a substituted alkene derivative of specific structure and preferably a specific hydrazine derivative. The element can be processed in a fully dry basis to produce images having high Dmax and gradation and free of black pepper.Type: GrantFiled: April 28, 1998Date of Patent: July 1, 2003Assignee: Fuji Photo Film Co., Ltd.Inventors: Kohzaburoh Yamada, Toshiaki Kubo, Hiroyuki Suzuki
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Patent number: 6586167Abstract: A method for thermally forming images for plate making, which comprises forming an image for plate making by using a thermally processed image recording material comprising a silver salt of an organic acid, a reducing agent, a color image forming material and an organic binder on a support, wherein the image consists essentially of a developed silver image and a color forming dye image and the color forming dye image shows an absorbance for ultraviolet region higher than that for visible region and has a transmission density of 0.3 or more for the region of 360-450 nm. There are provided a thermally processed image recording material and method for thermally forming images that provide significant difference of ultraviolet absorption between image areas and non-image areas suitable for printing plate making.Type: GrantFiled: July 23, 2001Date of Patent: July 1, 2003Assignee: Fuji Photo Film Co., Ltd.Inventors: Kazunobu Katoh, Toyohisa Oya
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Patent number: 6582892Abstract: A black-and-white photothermographic material that is sensitive at a wavelength greater than 700 nm, and comprises a support having thereon one or more thermally-developable imaging layers comprising a binder and in reactive association, a photosensitive silver halide, a non-photosensitive source of reducible silver ions, and a reducing composition for the non-photosensitive source reducible silver ions. The thermally-developable layers further comprises one or more indolenine dyes as post-processing stabilizing compounds and one or more merocyanine dyes or cyanine spectral sensitizing dyes that comprise one or more thioalkyl, thioaryl, or thioether groups.Type: GrantFiled: June 29, 2001Date of Patent: June 24, 2003Assignee: Eastman Kodak CompanyInventors: Steven H. Kong, Bryan V. Hunt, William D. Ramsden
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Patent number: 6582898Abstract: A silver salt photothermographic material is disclosed, comprising on a support a light-sensitive layer comprising an organic silver salt, light-sensitive silver halide grains, a reducing agent and a binder, wherein after the photothermographic material having been developed at a temperature of not less than 100° C. is subjected to exposure to light of an illumination intensity of 300 lux at 45° C. for 24 hrs., the rate of variation in fog density between before and after exposure is not more than 30%, based on the fog density of the photothermographic material before exposure.Type: GrantFiled: December 7, 2001Date of Patent: June 24, 2003Assignee: Konica CorporationInventor: Kiyokazu Morita
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Patent number: 6580143Abstract: A surface modification layer having a surface modification coefficient of 0.1 to 0.5 is formed on the surface of an organic insulating film on a substrate. A metal wiring is provided on the surface of the organic insulating film having the surface modification layer formed at the surface thereof. Thus, the bonding strength between the metal wiring and the organic insulating film is enhanced.Type: GrantFiled: October 9, 2001Date of Patent: June 17, 2003Assignee: Murata Manufacturing Co., Ltd.Inventors: Koji Yoshida, Makoto Tose
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Patent number: 6573021Abstract: The invention relates to an ultrahigh contrast photographic material comprising a support bearing a silver halide emulsion layer, containing a combination of two or more hydrazide nucleating agents in the emulsion layer and/or a hydrophilic colloid layer, characterized in that the combination comprises a nucleating agent(s) of formulae (I) and/or (I) with a nucleator of formula (III), in which the nucleating agent of formula (I) comprises (a) two nicotinamide moieties, which may be the same or different, which are linked by a linking group, and (b) a hydrazide moiety linked to only one of those nicotinamide moieties; the nucleating agent of formula (II) comprises a dimeric molecule comprising two monomers linked by a linking group, each monomer of which (a) may be the same or different and (b) comprises a hydrazide moiety and a nicotinamide moiety; and the nucleating agent of formula (III) comprises an aryl sulfonamido aryl hydrazide.Type: GrantFiled: January 7, 2002Date of Patent: June 3, 2003Assignee: Eastman Kodak CompanyInventors: Julie Baker, Ian Barford, Philip J. Coldrick, Dawn J. Jenkins, Roger H. Piggin
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Publication number: 20030096188Abstract: A planographic printing plate material and a method of preparing a planographic printing plate are disclosed, the planographic printing plate material comprising a support and provided thereon, one or more structural layers containing light sensitive silver halide grains, organic silver salt grains, a reducing agent, a contrast-increasing agent and a physical developing nucleus.Type: ApplicationFiled: March 12, 2002Publication date: May 22, 2003Inventor: Takeshi Sampei
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Patent number: 6566034Abstract: A high contrast photographic material is disclosed containing a new type of hydrazine compound characterized in that said hydrazine compound comprises a redox moiety capable of developing an exposed silver halide crystal. Preferably the photographic material is a graphic arts material for pre-press applications. The developed photographic material shows high gradation, and excellent dot quality and exposure latitude.Type: GrantFiled: September 7, 2001Date of Patent: May 20, 2003Assignee: AGFA-GevaertInventors: Johan Loccufier, Stefaan Lingier
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Patent number: 6558896Abstract: A silver salt photothermographic material is disclosed, comprising on a support (a) a light-insensitive organic silver salt, (b) light-sensitive silver halide and (c) a reducing agent capable of reducing a silver ion of the organic silver salt to silver upon heating, wherein when the exposed and thermally processed photothermographic material having a density of 3.0 have been kept at 50° C. and 50% RH for 120 hr., the photothermographic material exhibits a variation of density from 3.0 being within ±0.2.Type: GrantFiled: October 16, 2001Date of Patent: May 6, 2003Assignee: Konica CorporationInventor: Hideki Komatsu
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Patent number: 6544725Abstract: A lightsensitive silver halide photographic emulsion comprises silver halide grains, a sensitizing dye having a given maximum absorption wavelength and an organic compound exhibiting no absorption in a visible light region. The addition amount of the organic compound is in the range of 1 to 50 mol % based on the sensitizing dye, and a maximum absorption wavelength of the photographic emulsion exhibited by the sensitizing dye in the presence of the organic compound is at least 2 nm shorter than the maximum absorption wavelength exhibited by the sensitizing dye in the absence of the organic compound.Type: GrantFiled: August 8, 2001Date of Patent: April 8, 2003Assignee: Fuji Photo Film Co., Ltd.Inventor: Kiyoshi Morimoto
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Patent number: 6521389Abstract: A silver halide photographic light-sensitive material, which contains at least one compound of the formula (1): Formula (1) wherein PUG represents a nitrogen-containing heterocyclic group which is bonded to the adjacent carbonyl group through a nitrogen atom, the heterocyclic group directly or indirectly has at least one nitro group as its substituent(s) and can give a pKa value of 9 to 11, ph represents a phenyl group and directly or indirectly has at least one dissociating group as its substituent(s), Z represents a substituent being capable of substitution on the benzene ring, and p is 0 to 4.Type: GrantFiled: August 10, 2001Date of Patent: February 18, 2003Assignee: Fuji Photo Film Co., Ltd.Inventors: Kohzaburoh Yamada, Masahiko Taniguchi, Takashi Hoshimiya, Hirokazu Kyota, Toshihide Ezoe, Shoji Yasuda
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Patent number: 6515098Abstract: The damping performance of an article and a polycarbonate composition is improved and a storage medium for data is provided with a glass transition temperature greater than about 150° C.Type: GrantFiled: July 2, 2001Date of Patent: February 4, 2003Assignee: General Electric CompanyInventors: Ramesh Hariharan, Kathryn Lynn Longley, Gary Charles Davis, Grant Hay
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Patent number: 6514662Abstract: A photothermographic material having an image-forming layer that contains at least a non-photosensitive silver salt of an organic acid, a photosensitive silver halide, a nucleating agent and a binder on a support, and a protective layer at a position remoter from the support compared with the image-forming layer, which shows a saturation swelling time of 60 seconds or longer in distilled water at 21° C. According to the present invention, there is provided a photothermographic material for photographic art, in particular, for scanners, image setters and so forth, which shows low humidity dependency during development for developed character line width and can secure high image density (Dmax) even in a low humidity environment.Type: GrantFiled: March 6, 2001Date of Patent: February 4, 2003Assignee: Fuji Photo Film Co., Ltd.Inventor: Tadashi Ito
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Publication number: 20020192589Abstract: The invention relates to an ultrahigh contrast photographic material comprising a support bearing a silver halide emulsion layer, containing a combination of two or more hydrazide nucleating agents in the emulsion layer and/or a hydrophilic colloid layer, characterized in that the combination comprises a nucleating agent(s) of formulae (I) and/or (I) with a nucleator of formula (III), in which the nucleating agent of formula (I) comprises (a) two nicotinamide moieties, which may be the same or different, which are linked by a linking group, and (b) a hydrazide moiety linked to only one of those nicotinamide moieties; the nucleating agent of formula (II) comprises a dimeric molecule comprising two monomers linked by a linking group, each monomer of which (a) may be the same or different and (b) comprises a hydrazide moiety and a nicotinamide moiety; and the nucleating agent of formula (III) comprises an aryl sulfonamido aryl hydrazide.Type: ApplicationFiled: January 7, 2002Publication date: December 19, 2002Applicant: Eastman Kodak CompanyInventors: Julie Baker, Ian Barford, Philip J. Coldrick, Dawn J. Jenkins, Roger H. Piggin
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Publication number: 20020182533Abstract: The invention relates to a recording material for the production of offset printing plates having a web- or plate-form support, a radiation-sensitive layer on the front of the support and a continuous layer on its back. The back layer has a glass transition temperature Tg of at least 55° C. and a surface resistance of 106&OHgr; or less.Type: ApplicationFiled: March 1, 2002Publication date: December 5, 2002Inventors: Steffen Denzinger, Michael Dorr
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Patent number: 6489088Abstract: A color diffusion-transfer photographic light-sensitive material provided with at least two light-sensitive silver halide emulsion layers, each of which is combined with a non-diffusive dye image forming compound forming or releasing a diffusive dye or its precursor in relation to silver development, or with a dye image forming compound whose diffusibility changes in relation to silver development, on a support, the light-sensitive material comprises a specific hydrazine compound and a specific compound improved in storability.Type: GrantFiled: March 14, 2001Date of Patent: December 3, 2002Assignee: Fuji Photo Film Co., Ltd.Inventors: Nobutaka Fukagawa, Shinichi Ichikawa, Masaru Yoshikawa
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Patent number: 6482582Abstract: Disclosed in an image recording material comprising, on a support, a photosensitive silver halide, a reducing agent, a binder and a compound represented by the following Formula (1): wherein, in Formula (1), R1 and R2 each independently represent a substituent, R1 and R2 may be bonded to each other to form a ring, X represents a halogen atom, L represents a methylene group, m represents an integer of 0-7, Y represents a divalent bridging group, n represents 0 or 1 and Z represents a residue derived from a photographically useful compound. This image recording material exhibits high sensitivity, low fog and good storage stability, and is stable against fluctuation of development conditions.Type: GrantFiled: July 24, 2001Date of Patent: November 19, 2002Assignee: Fuji Photo Film Co., Ltd.Inventors: Katsuyuki Watanabe, Masaru Takasaki
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Patent number: 6479198Abstract: A silver halide light-sensitive material comprises a support and a silver halide gelatin emulsion layer. The silver halide gelatin emulsion layer or an optionally provided hydrophilic layer contains a tanning developing agent. According to the first embodiment of the present invention, the tanning developing agent has a molecular structure in which two to six benzenediol or benzenetriol rings are connected with a linking group. According to the second embodiment of the invention, the tanning developing agent consists of a polymer having side chains containing benzenediol or benzenetriol rings. According to the third embodiment of the invention, the tanning developing agent consists of a benzenediol or benzenetriol ring having an aliphatic substituent group having 5 to 40 carbon atoms or an aromatic substituent group having 7 to 40 carbon atoms. A tanning developing solution and a lithographic printing plate are also disclosed.Type: GrantFiled: February 1, 2001Date of Patent: November 12, 2002Assignee: Fuji Photo Film Co., Ltd.Inventors: Naonori Makino, Kaku Sakata
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Publication number: 20020164549Abstract: Photothermographic imaging materials having increased photospeed are provided by certain tellurium chemical sensitizers that are added during the formulation of a photothermographic emulsion.Type: ApplicationFiled: October 11, 2001Publication date: November 7, 2002Applicant: Eastman Kodak CompanyInventors: Doreen C. Lynch, Andrea L. Opatz, Steven M. Shor, Sharon M. Simpson, Brian C. Willett, Henry J. Gysling
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Patent number: 6468710Abstract: A silver halide photographic light-sensitive material that has at least one silver halide emulsion layer on a support, the light-sensitive material containing a surfactant represented by the following formula (F), and having the characteristic curve that a gamma in the range of an optical density from 0.3 to 3.0 is 5.0 or more, on the characteristic curve shown in a rectangular coordinate where a logarithmic exposure amount (the x axis) and an optical density (the y axis) are indicated according to the same unit length; [Rf—(Rc)n]m—Z formula (F) wherein Rf represents a perfluoroalkyl group, Rc represents an alkylene group, Z represents a group having an anionic group, cationic group, amphoteric ionic group, or nonionic polar group, n is an integer of 0 or 1, and m is an integer of 1 to 3.Type: GrantFiled: September 28, 2001Date of Patent: October 22, 2002Assignee: Fuji Photo Film Co., Ltd.Inventor: Shoji Yasuda
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Patent number: 6458505Abstract: A photothermographic material having, on a support, an image-forming layer that contains at least a non-photosensitive silver salt of an organic acid, a photosensitive silver halide, a nucleating agent and a binder, and at least one protective layer outer than the image-forming layer on the support, wherein the protective layer contains at least one compound selected from the group consisting of the compounds represented by the following formula (1) and the compounds represented by the following formula (2) as emulsion dispersion or solid dispersion: C—(Y)n—CZ1Z2X Formula (1) wherein, in the formula (1), Q represents an alkyl group, an aryl group or a heterocyclic group, which groups may have one or more substituents, Y represents a divalent bridging group, n represents 0 or 1, Z1 and Z2 represents a halogen atom, and X represents hydrogen atom or an electron-withdrawing group, wherein, in the formula (2), M represents hydrogen atom or a k-valent cation; k representsType: GrantFiled: March 22, 2001Date of Patent: October 1, 2002Assignee: Fuji Photo Film Co., Ltd.Inventor: Tadashi Ito
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Publication number: 20020132179Abstract: A silver halide photographic light-sensitive material, which contains at least one compound of the formula (1):Type: ApplicationFiled: August 10, 2001Publication date: September 19, 2002Inventors: Kohzaburoh Yamada, Masahiko Taniguchi, Takashi Hoshimiya, Hirokazu Kyota, Toshihide Ezoe, Shoji Yasuda
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Patent number: 6444392Abstract: A black and white graphic arts film comprising a support having thereon at least one emulsion layer, said emulsion layer comprising: a trinuclear merocyanine spectral sensitising dye; 2-methylthio-4-hydroxy-6-methyl-1,3,3a,7-tetraazaindene (SMe-TAI); and a photosensitive silver halide.Type: GrantFiled: August 10, 2001Date of Patent: September 3, 2002Assignee: Eastman Kodak CompanyInventor: Julie Baker
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Patent number: 6432606Abstract: A red sensitive photographic recording material is disclosed having an emulsion layer with low silver halide and low binder content. It further comprises a polyester support having subbing layers on both sides and an anti-halation layer on the back side.Type: GrantFiled: June 26, 2001Date of Patent: August 13, 2002Assignee: Agfa-GevaertInventors: Roland Claes, Stefaan Lingier, Etienne Van Thillo