Identified Backing Or Protective Layer Containing Patents (Class 430/523)
  • Patent number: 6544718
    Abstract: A silver halide photographic material comrises a support having first and second opposing surfaces, at least one light-sensitive emulsion layer that is provided on the first surface side, and a hydrophilic colloid layer that is provided on the second surface side, wherein the hydrophilic colloid layer comprises at least one compound represented by general formula (I) or general formula (II) below: wherein X denotes a C1 to C6 divalent organic residue, R denotes a carboxylic acid group, a carboxylate salt group, a carboxylate ester group, or a carboxylic amide group, m is 2 or 3, and n is 0 or 1. Also disclosed is a method for continuously processing the photographic material, wherein the amount of developing solution that is replenished during development is 200 ml or less per m2 of the photographic material.
    Type: Grant
    Filed: December 17, 2001
    Date of Patent: April 8, 2003
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Takahiro Goto
  • Publication number: 20030059697
    Abstract: The invention relates to an imaging element comprising an imaging layer, a nacreous pigment, and at least one layer comprising voids.
    Type: Application
    Filed: August 16, 2001
    Publication date: March 27, 2003
    Applicant: Eastman Kodak Company
    Inventors: Narasimharao Dontula, Peter T. Aylward, Robert P. Bourdelais, Alphonse D. Camp
  • Patent number: 6537741
    Abstract: A fusing belt comprising a substrate and a coating on the substrate wherein the coating comprises a resin containing a cured silsesquioxane polymer and wherein the belt is used in combination with a photographic element.
    Type: Grant
    Filed: February 23, 2001
    Date of Patent: March 25, 2003
    Assignee: Nexpress Solutions LLC
    Inventors: Jiann-Hsing Chen, Biao Tan, Joseph A. Pavlisko, Charles E. Hewitt
  • Patent number: 6537667
    Abstract: An electro-conductive oxide particle comprising indium atoms, antimony atoms and oxygen atoms in a molar ratio of Sb/In of from 0.03 to 0.08, having a primary particle diameter of from 2 to 300 nm, and having a crystal structure of indium oxide.
    Type: Grant
    Filed: November 20, 2001
    Date of Patent: March 25, 2003
    Assignee: Nissan Chemical Industries, Ltd.
    Inventors: Yoshitane Watanabe, Tadayuki Isaji, Osamu Fujimoto
  • Patent number: 6537656
    Abstract: The invention relates to an imaging member comprising an imaging layer and a base wherein said base comprises a closed cell foam core sheet and adhered thereto an upper and lower flange sheet, and wherein said imaging member has a stiffness of between 50 and 250 millinewtons.
    Type: Grant
    Filed: November 28, 2000
    Date of Patent: March 25, 2003
    Assignee: Eastman Kodak Company
    Inventors: Narasimharao Dontula, Suresh Sunderrajan, Thaddeus S. Gula, William A. Mruk
  • Publication number: 20030054297
    Abstract: A silver halide photographic lightsensitive material comprises, on a support, at least one lightsensitive silver halide emulsion layer and at least one non-lightsensitive layer.
    Type: Application
    Filed: March 29, 2002
    Publication date: March 20, 2003
    Inventor: Junichiro Hosokawa
  • Publication number: 20030044738
    Abstract: A photothermographic material is disclosed, comprising a support having thereon an image forming layer containing an organic silver salt, further thereon a protective layer and optionally an interlayer between the support and the image forming layer, wherein at least one of the image forming layer and the interlayer contains an alkoxy-silane compound having at least two primary or secondary amino groups or a salt thereof or a Schiff base formed through dehydration condensation of an alkoxy-silane compound having at least one primary amino group and a ketone compound.
    Type: Application
    Filed: June 17, 2002
    Publication date: March 6, 2003
    Applicant: KONICA CORPORATION
    Inventor: Toshihisa Takeyama
  • Publication number: 20030044732
    Abstract: The present invention provides a spectrally sensitized photothermographic silver halide element comprising a support layer having on at least one surface thereof a photothermographic composition which displays uniform image density across its surface when exposed to floodlight or uniform incandescent light exposure at radiation wavelengths to which the element is sensitive, said element comprising at least two layers, including a top layer and a photothermographic emulsion layer, said photothermographic emulsion layer comprising a binder, a light insensitive silver source, a reducing agent for silver ion and infrared radiation sensitive silver halide grains, wherein the coherent radiation is rendered more diffuse in its passage through the element than when it strikes the top layer. This may be accomplished at least in part by 1) the top layer of the element having haze induced therein of 0.
    Type: Application
    Filed: June 5, 2002
    Publication date: March 6, 2003
    Inventors: Thomas C. Geisler, Thomas J. Kub, Darlene F. Stewart, Paul C. Schubert, James C. Vanous, Mark C. Skinner
  • Publication number: 20030044736
    Abstract: The invention relates to a photographic element comprising nacreous pigment.
    Type: Application
    Filed: August 16, 2001
    Publication date: March 6, 2003
    Applicant: Eastman Kodak Company
    Inventors: Peter T. Aylward, Robert P. Bourdelais, Alphonse D. Camp, Pamela M. Ferguson
  • Patent number: 6524781
    Abstract: A photothermographic material is disclosed, comprising a support provide thereon an image forming layer containing a light sensitive silver halide, an organic silver salt and a reducing agent and at least a component a layer, wherein the component layer contains a compound capable of trapping a material causing odor and is provided farther from the support than image forming layer.
    Type: Grant
    Filed: June 11, 2001
    Date of Patent: February 25, 2003
    Assignee: Konica Corporation
    Inventor: Yasunori Wada
  • Patent number: 6521399
    Abstract: The invention relates to a photographic element comprising at least one biaxially oriented sheet wherein said biaxially oriented sheet when viewed from a surface of said element emits light in the visible spectrum when exposed to ultraviolet radiation.
    Type: Grant
    Filed: June 9, 1998
    Date of Patent: February 18, 2003
    Assignee: Eastman Kodak Company
    Inventors: Robert P. Bourdelais, Peter T. Aylward, Thaddeus S. Gula
  • Publication number: 20030031962
    Abstract: A silver halide photographic light-sensitive material, which has, on a reflective support, at least one silver halide emulsion layer containing a cyan dye-forming coupler, at least one silver halide emulsion layer containing a magenta dye-forming coupler, at least one silver halide emulsion layer containing a yellow dye-forming coupler, and at least one light-insensitive layer, wherein oil droplets containing a dispersion of at least one blue pigment are dispersed in at least one layer of the layers.
    Type: Application
    Filed: December 21, 2001
    Publication date: February 13, 2003
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Osamu Takahashi, Yoshiharu Yabuki
  • Publication number: 20030031963
    Abstract: The invention provides an opaque reflective photographic material eg paper whose non image side is coated with a mordant in an amount to absorb during washing of the photographic material dyes that would contribute to staining of the final image.
    Type: Application
    Filed: May 21, 2002
    Publication date: February 13, 2003
    Applicant: Eastman Kodak Company
    Inventor: Henry H. Adam
  • Patent number: 6517947
    Abstract: An imaging support comprising: a polyester support; an adhesive layer superposed to said support; and on the adhesive layer: an amine modified gelatin subbing layer, the amine modified gelatin having the formula: wherein Gel is a gelatin polypeptide, is a carbonyl group from a free carboxyl group in aspartic acid or a glutamic acid moiety in said polypeptide, and G is wherein each R is independently hydrogen or a primary or secondary alkyl group of one to about four carbon atoms, n is a positive integer having a value of one to about four, and T is a hydrogen or said modified gelatin being further characterized by having from 1% to about 40% of the free carboxyl groups in aspartic and glutamic acid moieties in said polypeptide being substituted with G-groups; wherein said support has been annealed at a temperature that is 50 to 5° C. less than the glass transition temperature of the support for at least 6 hours.
    Type: Grant
    Filed: May 14, 2001
    Date of Patent: February 11, 2003
    Assignee: Eastman Kodak Company
    Inventors: Charles L. Bauer, Janglin Chen, Kenneth G. Harbison, Hwei-Ling Yau
  • Patent number: 6514678
    Abstract: Aqueous-based photothermographic materials have improved stability to increase in Dmin during aging by including certain water-soluble or water-dispersible antifoggants that have a pKa of 8 or less. These antifoggants are represented by Structure I: R1—SO2—C(R2)R3—(CO)m—(L)n—SG  I wherein R1 is an aliphatic or cyclic group, R2 and R3 are independently hydrogen or bromine as long as at least one of them is bromine, L is an aliphatic divalent linking group, m and n are independently 0 or 1, and SG is a solubilizing group having a pKa of 8 or less.
    Type: Grant
    Filed: December 11, 2001
    Date of Patent: February 4, 2003
    Assignee: Eastman Kodak Company
    Inventors: George J. Burgmaier, Roger L. Klaus
  • Patent number: 6514677
    Abstract: Photothermographic materials comprise heat-bleachable antihalation compositions in antihalation layers. These compositions comprise a hexaarybiimidazole and one or more infrared radiation absorbing compounds that are represented by the following Structure I: A1—L1—A2  I wherein A1 represents a group derived from a dye base, a heterocyclic group, or an electron-donating aromatic group, A2 represents a group derived from a dye base, a heterocyclic group, a group derived from a dye acid, or an electron-donating aromatic group, and L1 represents a conjugated linking group that maintains electron delocalization between A1 and A2 to provide infrared absorbance. The antihalation composition is typically bleached when subjected to a temperature of at least 90° C. for at least 0.5 seconds.
    Type: Grant
    Filed: August 31, 2001
    Date of Patent: February 4, 2003
    Assignee: Eastman Kodak Company
    Inventors: William D. Ramsden, David G. Baird
  • Patent number: 6514662
    Abstract: 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: Grant
    Filed: March 6, 2001
    Date of Patent: February 4, 2003
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Tadashi Ito
  • Publication number: 20030022113
    Abstract: A silver halide photographic material comrises a support having first and second opposing surfaces, at least one light-sensitive emulsion layer that is provided on the first surface side, and a hydrophilic colloid layer that is provided on the second surface side, wherein the hydrophilic colloid layer comprises at least one compound represented by general formula (I) or general formula (II) below: 1
    Type: Application
    Filed: December 17, 2001
    Publication date: January 30, 2003
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventor: Takahiro Goto
  • Patent number: 6511738
    Abstract: A support for rolled light-sensitive photographic materials is disclosed. The support is composed of at least three polyester films laminated, in which outer layers are comprised of copolyester; at least one interlayer is comprised of the mixture of said copolyester and homopolyester; the total film thickness is between 105 and 130 &mgr;pm; the total thickness of interlayers is between 45 and 85 &mgr;m; and the ratio of said copolyester in the mixture layer of said copolyester and said homopolyester is between 10 and 40 percent by weight.
    Type: Grant
    Filed: January 26, 2001
    Date of Patent: January 28, 2003
    Assignee: Konica Corporation
    Inventors: Hirokazu Koyama, Toshiaki Shibue
  • Publication number: 20020197571
    Abstract: A fluorocompound denoted by general formula (1) below 1
    Type: Application
    Filed: February 25, 2002
    Publication date: December 26, 2002
    Inventors: Junichi Yamanouchi, Terukazu Yanagi, Tomokazu Yasuda, Nobuo Hamamoto
  • Patent number: 6497986
    Abstract: The invention relates to a photographic element comprising nacreous pigment.
    Type: Grant
    Filed: August 16, 2001
    Date of Patent: December 24, 2002
    Assignee: Eastman Kodak Company
    Inventors: Peter T. Aylward, Robert P. Bourdelais, Alphonse D. Camp
  • Publication number: 20020177088
    Abstract: A heat-developable silver halide color photographic light-sensitive material, which has a support and contains, on the support, a photosensitive silver halide, an organosilver salt, a developing agent, and a coupler that is capable of forming a dye upon a coupling reaction with an oxidized developing agent,
    Type: Application
    Filed: February 8, 2002
    Publication date: November 28, 2002
    Inventor: Jun Arakawa
  • Publication number: 20020177090
    Abstract: 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: 1
    Type: Application
    Filed: January 16, 2002
    Publication date: November 28, 2002
    Inventor: Makoto Ishihara
  • Patent number: 6485896
    Abstract: A photographic film comprising a base layer and at least one emulsion layer, the emulsion layer having a melting temperature that is within 4 degrees centigrade of the incubation temperature used in an accelerated core-set test.
    Type: Grant
    Filed: December 6, 2000
    Date of Patent: November 26, 2002
    Assignee: Eastman Kodak Company
    Inventors: Jehuda Greener, Yongcai Wang, Gary W. Visconte
  • Patent number: 6482580
    Abstract: A silver salt photothermographic material is disclosed, comprising a support provided thereon at least one light-sensitive layer containing an organic silver salt, light-sensitive silver halide grains and a reducing agent, wherein the surface of at least one side of the photothermographic material exhibits a coefficients of dynamic friction of 0.1 to 0.4 when being in contact with a stainless steel plate heated at a temperature of 100° C. The photothermographic material also contains solid lubricant particles.
    Type: Grant
    Filed: October 4, 2001
    Date of Patent: November 19, 2002
    Assignee: Konica Corporation
    Inventor: Kiyokazu Morita
  • Patent number: 6479225
    Abstract: A silver halide photographic element for forming a sepia image comprising a support and an image forming layer which contains a cyan dye forming coupler, a magenta dye forming coupler and a yellow dye forming coupler, wherein the support has CIELAB a* and b* values within the following ranges at L*>90:0<b*<6.0, 0<a*<1.
    Type: Grant
    Filed: July 30, 2001
    Date of Patent: November 12, 2002
    Assignee: Eastman Kodak Company
    Inventors: David J. Valvo, Kurt M. Schroeder, Michael R. Roberts
  • Patent number: 6479222
    Abstract: The present invention is a photographic element which includes a support, at least one silver halide emulsion layer superposed on the support and a processing-solution-permeable protective overcoat overlying the silver halide emulsion layer that becomes water-resistant in the final product without lamination or fusing. The present invention is also directed to a method of making a photographic print involving developing the photographic element.
    Type: Grant
    Filed: July 21, 2000
    Date of Patent: November 12, 2002
    Assignee: Eastman Kodak Company
    Inventors: Tamara K. Jones, Lloyd A. Lobo, Mridula Nair, Kevin M. O'connor, Tiecheng A. Qiao, Yongcai Wang, Thomas H. Whitesides, Hwei-Ling Yau
  • Patent number: 6479227
    Abstract: A thermographic recording element comprising a thermographic recording layer containing an organic silver salt and a reducing agent on a support is provided with an antistatic layer containing acicular conductive metal oxide particles having an aspect ratio of from 3 to 50. In another embodiment, the element is provided with at least two back layers, the outermost layer of which contains a hydrophobic polymer binder and another layer of which contains a matte agent. The element has improved transparency, conductivity and high-speed processing adaptability.
    Type: Grant
    Filed: February 5, 1999
    Date of Patent: November 12, 2002
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Toshiaki Kubo, Naohiro Nakayama
  • Publication number: 20020164549
    Abstract: Photothermographic imaging materials having increased photospeed are provided by certain tellurium chemical sensitizers that are added during the formulation of a photothermographic emulsion.
    Type: Application
    Filed: October 11, 2001
    Publication date: November 7, 2002
    Applicant: Eastman Kodak Company
    Inventors: Doreen C. Lynch, Andrea L. Opatz, Steven M. Shor, Sharon M. Simpson, Brian C. Willett, Henry J. Gysling
  • Patent number: 6475696
    Abstract: The invention relates to an imaging member comprising an image layer and a support comprising at least one layer comprising an inorganic particle having an aspect ratio of at least 10 to 1, a lateral dimension of between 0.01 &mgr;m and 5 &mgr;m, and a vertical dimension between 0. 5 nm and 10 nm, and polymeric resin.
    Type: Grant
    Filed: December 28, 2000
    Date of Patent: November 5, 2002
    Assignee: Eastman Kodak Company
    Inventors: Debasis Majumdar, Narasimharao Dontula, Dennis J. Massa, Thomas N. Blanton, Jose L. Garcia, Eric E. Arrington, Thaddeus S. Gula
  • Patent number: 6475712
    Abstract: Photographic elements are described which comprise a support, at least one image-forming layer, and at least one surface protective layer that contains a polymeric binder and composite wax particles having a wax phase and a polymer phase, wherein the polymer phase is soluble in alkaline photographic processing solutions. The surface protective layer advantageously enables a change in frictional characteristics after film processing in alkaline solutions which enables the photographic element to have both pre-processed wound roll stability and high post-processed lubricity.
    Type: Grant
    Filed: November 28, 2001
    Date of Patent: November 5, 2002
    Assignee: Eastman Kodak Company
    Inventors: Yongcai Wang, Charles C. Anderson
  • Publication number: 20020160323
    Abstract: A method has been disclosed for preparing a co-precipitated microcrystalline dye dispersion, the absorption spectrum of which exceeds the summoned spectra of individually dispersed dyes, which comprises, as consecutive preparation steps: adding to one vessel, an amount of at least one pentamethine oxonol-type barbituric acid filter dye having ionizable sites in its molecular structure; adding thereto an aqueous alkaline solution in an amount sufficient to completely dissolve the said filter dye while stirring the solution thus formed; adding in another vessel, to an amount of at least one pyrrole type filter dye, an amount of water, followed by adding of an aqueous alkaline solution and a surfactant; followed, after having completely dissolved (under stirring conditions) the said pyrrole type filter dye, by adding to the solution thus formed in the other vessel, the solution formed in the one vessel; adding an aqueous acidic solution up to a pH of less than 3.
    Type: Application
    Filed: March 4, 2002
    Publication date: October 31, 2002
    Inventors: Kris Viaene, Jan Gilleir, Geert De Roover
  • Patent number: 6468725
    Abstract: A photothermographic material is disclosed, comprising a support having on one side of the support a light-sensitive layer containing a light-sensitive silver halide, an organic silver salt, a reducing agent and a binder, and at least one protective layer, wherein the light-sensitive layer has a silver content of 0.10 to 0.45 g/cm3 and a dry thickness of 1 to 10 &mgr;m, and a total dry protective layer thickness being 3 to 20 &mgr;m.
    Type: Grant
    Filed: January 10, 2001
    Date of Patent: October 22, 2002
    Assignee: Konica Corporation
    Inventor: Yasuhiko Takamuki
  • Patent number: 6468710
    Abstract: 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: Grant
    Filed: September 28, 2001
    Date of Patent: October 22, 2002
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Shoji Yasuda
  • Patent number: 6465164
    Abstract: This invention relates to a method of forming an image comprising providing an imaging element comprising a transparent polymer sheet, and at least one photo sensitive dye forming coupler containing layer is on each side of said sheet, wherein there are at least four separate photo sensitive layers and the photo sensitive layers comprise at least four dye forming couplers that form at least four spectrally distinct colors, image wise exposing said imaging element by actinic radiation, developing an image, and applying a white reflective sheet to one side of the developed imaging element.
    Type: Grant
    Filed: September 18, 2000
    Date of Patent: October 15, 2002
    Assignee: Eastman Kodak Company
    Inventors: Peter T. Aylward, Alphonse D. Camp, James L. Edwards, Robert P. Bourdelais
  • Patent number: 6465162
    Abstract: Photothermographic materials provide images having improved stability from browning. The improved image stability is achieved by including an image stabilizing compound in the support, a backside layer on the support or in a layer associated with a backside layer. The most useful backside layer for this purpose is an antihalation layer. These compounds are present in the backside layer in an amount sufficient to provide an increase in blocking power of at least 0.01.
    Type: Grant
    Filed: August 15, 2000
    Date of Patent: October 15, 2002
    Assignee: Eastman Kodak Company
    Inventors: Steven H. Kong, Kumars Sakizadeh
  • Patent number: 6465165
    Abstract: The present invention is an imaged photographic element having a protective overcoat thereon. The protective overcoat is formed by providing a photographic element having at least one silver halide light-sensitive emulsion layer. A first coating of hydrophobic polymer particles having an average size of 0.01 to 1 microns, a melting temperature of from 55 to 200° C. at a weight percent of 30 to 95, and gelatin at a weight percent of 5 to 70 is applied to form a first layer over the silver halide light-sensitive emulsion layer. A second coating of abrasion resistant particles having an average size of from 0.01 to 1 microns is applied to form a second layer over the first layer. The photographic element is developed to provide an imaged photographic element. The first and second layers are fused to form a protective overcoat.
    Type: Grant
    Filed: May 14, 1999
    Date of Patent: October 15, 2002
    Assignee: Eastman Kodak Company
    Inventors: Christine J. Landry-Coltrain, Hwei-ling Yau, Linda M. Franklin
  • Publication number: 20020142254
    Abstract: 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: Application
    Filed: December 19, 2001
    Publication date: October 3, 2002
    Inventor: Kazuhiko Hirabayashi
  • Patent number: 6458505
    Abstract: 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 represents
    Type: Grant
    Filed: March 22, 2001
    Date of Patent: October 1, 2002
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Tadashi Ito
  • Patent number: 6455239
    Abstract: A surface treatment method for enhancing hydrophobicity of the surface of a film support is disclosed, comprising subjecting at least one side of the surface to a gas-discharge plasma treatment in a gas phase atmosphere comprising (a) an inert gas comprising argon or helium and (b) a reactive gas comprising a hydrocarbon gas or fluorinated hydrocarbon gas. There is also disclosed a photothermographic material by the use of the support having been subjected to the surface treatment.
    Type: Grant
    Filed: March 6, 2001
    Date of Patent: September 24, 2002
    Assignee: Konica Corporation
    Inventors: Kiyoshi Oishi, Kazuhiro Fukuda
  • Patent number: 6451431
    Abstract: A photographic support comprising; a polyester base having a first and a second side; an antistatic layer superposed on the first side of the base; a gelatin layer superposed on the second side of the base; and an auxiliary layer overlying said antistatic layer comprising 20 to 80 percent by weight hydroxypropyl methyl cellulose and a second binder.
    Type: Grant
    Filed: May 14, 2001
    Date of Patent: September 17, 2002
    Assignee: Eastman Kodak Company
    Inventors: Brian K. Brady, Charles L. Bauer, Dennis J. Eichorst, Bradley K. Coltrain
  • Patent number: 6451516
    Abstract: This invention relates to a photothermographic element comprising a support, at least one photothermographic imaging layer, and at least one antihalation layer or a filter layer, wherein the antihalation or filer layer comprises an aqueous heat-bleachable composition comprising a 1-aminopyridinium filter dye having a methine linkage terminated by a substituted or unsubstituted heterocyclic nucleus of the type contained in cyanine dyes, which filter dye is in the presence of an effective amount of a thermal solvent.
    Type: Grant
    Filed: August 27, 2001
    Date of Patent: September 17, 2002
    Assignee: Eastman Kodak Company
    Inventors: Mark E. Irving, Ramanuj Goswami
  • Patent number: 6447976
    Abstract: The invention relates to an imaging member comprising an imaging layer and a base wherein said base comprises a closed cell foam core sheet and adhered thereto an upper and lower flange sheet, and wherein said imaging member has a stiffness of between 50 and 250 millinewtons and at least one layer of said base comprises whitening agent and said element has L* of greater than 90.4.
    Type: Grant
    Filed: November 28, 2000
    Date of Patent: September 10, 2002
    Assignee: Eastman Kodak Company
    Inventors: Narasimharao Dontula, Suresh Sunderrajan, Thaddeus S. Gula, William A. Mruk, Terry A. Heath
  • Publication number: 20020123015
    Abstract: The invention relates to an imaging member comprising an image layer and a support comprising at least one layer comprising an inorganic particle having an aspect ratio of at least 10 to 1, a lateral dimension of between 0.01 &mgr;m and 5 &mgr;m, and a vertical dimension between 0.5 nm and 10 nm, and polymeric resin.
    Type: Application
    Filed: December 28, 2000
    Publication date: September 5, 2002
    Inventors: Debasis Majumdar, Narasimharao Dontula, Dennis J. Massa, Thomas N. Blanton, Jose L. Garcia, Eric E. Arrington, Thaddeus S. Gula
  • Patent number: 6444415
    Abstract: A thermally developable silver halide photographic light-sensitive material having a dye represented by formula (8), wherein X1 and X2 each represents an oxygen atom, a sulfur atom, a selenium atom, or a tellurium atom; R5 and R6 each represents a hydrogen atom or an alkyl group; R7 and R8 each represents a monovalent substituents, and plural R7 and plural R8 may form a ring structure with each other; m and n each represents an integer of 0 to 4.
    Type: Grant
    Filed: September 27, 2001
    Date of Patent: September 3, 2002
    Assignee: Konica Corporation
    Inventors: Shinri Tanaka, Dai Ikemizu
  • Publication number: 20020119405
    Abstract: A multilayer light-sensitive silver halide photographic negative image type material and a method to prepare said material has been described, said material comprising on at least one side of a support a multilayer composition of at least two layers of negative image type silver halide emulsions adjacent to each other, wherein the emulsion layer closest to the said support comprises tabular emulsion crystals selected from the group consisting of silver chloride, silver chlorobromide, silver chloroiodide and silver chlorobromoiodide having a {111} crystal habit and silver chloride, silver chlorobromide, silver chloroiodide and silver chlorobromoiodide having a {100} crystal habit and wherein the adjacent layer(s) farther from the said support comprise(s) essentially cubic emulsion crystals selected from the group consisting of silver chloride, silver chlorobromide and silver bromide, wherein the essentially cubic grains are less sensitive than the tabular grains and wherein the said tabular
    Type: Application
    Filed: February 21, 2002
    Publication date: August 29, 2002
    Applicant: Agfa-Gevaert, N.V.
    Inventors: Hieronymus Andriessen, Freddy Henderickx
  • Patent number: 6440532
    Abstract: A biaxially oriented polyester film whose thermal shrinkage factors satisfy relationships represented by the following expressions (1) to (5) at the same time when it is heated at 120° C. for 20 seconds: 0.001≦SMD≦0.1  (1) −0.1≦STD≦0.1  (2) −0.05≦S45≦0.05  (3) −0.05≦S135≦0.05  (4) |S45−S135|≦0.05  (5) wherein SMD is a thermal shrinkage factor (%) in machine direction of the film under the above conditions, STD is a thermal shrinkage factor (%) in a direction perpendicular to that direction under the above conditions, and S45 and S135 are thermal shrinkage factors (%) in a 45° direction and a direction perpendicular to the 45° direction under the above conditions when the machine direction of the film is 0° and a direction perpendicular to that direction is 90°, respectively, and a production method thereof.
    Type: Grant
    Filed: February 27, 2001
    Date of Patent: August 27, 2002
    Assignee: Teijin Limited
    Inventors: Tatsuya Ogawa, Masayuki Fukuda, Toshifumi Ishikawa, Susumu Taguchi
  • Patent number: 6440548
    Abstract: A photographic element comprising a laminated base wherein said base comprises a voided polymer sheet having laminated thereto a biaxially oriented polyolefin sheet on the bottom of said polyester sheet and a biaxially oriented polyolefin sheet laminated to the top of said polyester sheet, wherein said photographic element has a bottom voided opacifying layer below at least one voided layer of said voided polymer sheet and a topside voided opacifying layer above said at least one voided layer of said voided polyester sheet.
    Type: Grant
    Filed: December 22, 1999
    Date of Patent: August 27, 2002
    Assignee: Eastman Kodak Company
    Inventors: Robert P. Bourdelais, Peter T. Aylward, Alphonse D. Camp
  • Patent number: 6440649
    Abstract: X-radiation sensitive photothermographic imaging materials contain X-radiation sensitive phosphors in association with photosensitive silver halide. These phosphors provide an increase in imaging sensitivity and improved image contrast. Both intensifying and storage phosphors can be used.
    Type: Grant
    Filed: May 30, 2001
    Date of Patent: August 27, 2002
    Assignee: Eastman Kodak Company
    Inventors: Sharon M. Simpson, William E. Moore
  • Patent number: 6436219
    Abstract: A polyester film having an opaque first polyester layer having an optical density greater than 2.0 and a second white polyester layer, wherein the film is made by coextrusion. The opaque first layer preferably contains carbon black. The film is suitable for use as a base for a photographic sheet.
    Type: Grant
    Filed: May 5, 2000
    Date of Patent: August 20, 2002
    Assignee: DuPont Teijin Films U.S. Limited Partner
    Inventors: John Francis, David Edward Higgins