Patents Represented by Attorney, Agent or Law Firm Sarah Meeks Roberts
  • Patent number: 6706460
    Abstract: This invention relates to a latex composition comprising water as a continuous phase and, as the dispersed phase, hydrophobic polymer particles having associated therewith an infrared polymethine dye having covalently bonded thereto a phenylenediamine moiety. It further relates to a process for associating dye with polymer particles in a latex composition comprising the steps of: (1) forming a dye solution by dissolving a polymethine dye having covalently bonded thereto a phenylenediamine moiety in a water miscible or immiscible organic solvent; (2) forming a latex by dispersing hydrophobic polymer particles in an aqueous continuous phase; (3) blending the latex with the dye solution; and (4) loading of the polymer particles by removing the organic solvent, thereby forming a latex having the polymethine dye associated therewith.
    Type: Grant
    Filed: November 20, 2002
    Date of Patent: March 16, 2004
    Assignee: Eastman Kodak Company
    Inventors: Kevin W. Williams, Ruizheng Wang, Huijuan D. Chen
  • Patent number: 6699652
    Abstract: This invention relates to a silver halide photographic element comprising a support bearing a cyan dye image-forming unit comprised of at least one red-sensitive silver halide emulsion layer having associated therewith at least one cyan dye-forming coupler, a magenta dye image-forming unit comprising at least one green-sensitive silver halide emulsion layer having associated therewith at least one magenta dye-forming coupler, and a yellow dye image-forming unit comprising at least one blue-sensitive silver halide emulsion layer having associated therewith at least one yellow dye-forming coupler, wherein at least one of the dye image forming units contains layers of differing sensitivities, and the layer of highest sensitivity contains a development promoting agent or a specific coupler as described herein, or a combination thereof, and a silver halide emulsion comprising tabular silver halide grains having associated therewith at least two dye layers comprising (a) an inner dye layer adjacent to the silver ha
    Type: Grant
    Filed: January 17, 2003
    Date of Patent: March 2, 2004
    Assignee: Eastman Kodak Company
    Inventors: Sharon G. Johnston, Stephen P. Singer, Drake M. Michno, James A. Friday, David R. Foster
  • Patent number: 6696586
    Abstract: This invention relates to an organothiosulfonato Au(I) complex having the formula [A—SO2S—Au—SSO2—A]n−M+n wherein M is a cationic counter ion; A is a substituted or unsubstituted organic group; and n is 1 to 4; and wherein the compound is symmetrical. It further relates to the synthesis of said compounds.
    Type: Grant
    Filed: August 7, 2002
    Date of Patent: February 24, 2004
    Assignee: Eastman Kodak Company
    Inventors: Brian P. Cleary, Roger Lok, Weimar W. White
  • Patent number: 6696231
    Abstract: A method for deriving a color negative film developer composition and processing conditions for developing a photographic film image which is optimized for subsequent digital scanning and digital image file manipulation, which allows for optimum rapid development processing of the film is disclosed.
    Type: Grant
    Filed: June 16, 2003
    Date of Patent: February 24, 2004
    Assignee: Eastman Kodak Company
    Inventors: Robert A. Arcus, Jeffrey L. Hall, John A. Weldy
  • Patent number: 6696232
    Abstract: A color negative photographic film element for producing a color image suited for conversion to an electronic form and subsequent reconversion into a viewable form: said element comprising a support and, coated on the support, a plurality of hydrophilic colloid layers, including radiation-sensitive silver halide emulsion layers, forming layer units for separately recording blue, green, and red exposures, each of the layer units containing dye image-forming coupler chosen to produce image dye having an absorption half-peak bandwidth lying in a different spectral region in each layer unit, WHEREIN the element comprises a development inhibitor releasing compound in at least one layer unit, at least one of the layer units contains two or more emulsion layers differing in sensitivity, the layer units each exhibit a dye image gamma of less than 1.0, the element exhibits an exposure latitude of at least 2.
    Type: Grant
    Filed: December 20, 2001
    Date of Patent: February 24, 2004
    Assignee: Eastman Kodak Company
    Inventor: Allan F. Sowinski
  • Patent number: 6689518
    Abstract: This invention relates to a photographic display element comprising a support, a front side which has at least one photographic imaging layer, and a back side, said front and back sides being on opposite sides of the support, wherein said photographic element further comprises applied on the front or back side a composition comprising coalesced hydrophobic polymer particles having associated therewith an infrared absorbing polymethine dye having covalently bonded thereto a phenylenediamine moiety.
    Type: Grant
    Filed: November 20, 2002
    Date of Patent: February 10, 2004
    Assignee: Eastman Kodak Company
    Inventors: Kevin W. Williams, Ruizheng Wang
  • Patent number: 6686143
    Abstract: This invention relates to a photographic element comprising a support and a silver halide emulsion layer, the emulsion layer comprising a water soluble Au(I) complex having the formula [L—Au—L]n−M+n wherein the complex is symmetrical; L is an organothiosulfonato ligand which is an antifogging, stabilizing, or sensitizing compound, n is 1 to 4, and M is a cationic counterion. This invention further relates to a silver halide photographic element comprising a support and a silver halide emulsion layer, the emulsion layer comprising an organothiosulfonato Au(I) complex having the formula [A—SO2S—Au—SSO2—A]n−M+n wherein M is a cationic counterion; A is a substituted or unsubstituted organic group; and n is 1 to 4; and wherein the compound is symmetrical. It further relates to a method of preparing a silver halide emulsion utilizing said organothiosulfonato Au(I) complexes.
    Type: Grant
    Filed: August 7, 2002
    Date of Patent: February 3, 2004
    Assignee: Eastman Kodak Company
    Inventors: Roger Lok, Brian P. Cleary, Alton L. Chitty, Weimar W. White
  • Patent number: 6670108
    Abstract: This invention relates to a method for processing a silver halide color photographic material comprising the steps of loading the material into a chamber adapted to hold the material therein; introducing a measured amount of a color developer solution into the chamber; developing the photographic material with the color developer solution; introducing into the chamber a measured amount of a processing solution which arrests development, without removing the color developer solution, to form a developer/stop solution mixture; processing the photographic material with the developer/stop solution mixture, substantially removing all of the developer/stop mixture solution from the chamber; then providing in the chamber a bleach/fixer solution mixture comprising a bleaching agent and a fixing agent; and processing the photographic material with the bleach/fixer solution mixture; wherein the color developer solution is utilized in the amount of greater than or equal to 375 ml/m2 of the photographic material that is
    Type: Grant
    Filed: December 19, 2002
    Date of Patent: December 30, 2003
    Assignee: Eastman Kodak Company
    Inventor: Eric R. Schmittou
  • Patent number: 6664035
    Abstract: A method for providing a color image in an exposed color negative silver bromoiodide film element comprising contacting said element with an aqueous color developing composition having a pH of 9.0 to 12.0 and comprising a color developing agent, sulfite ion and an additional antioxidant wherein the color developing agent/sulfite ion molar ratio is less than 10:1 and greater than 0.55:1, and the sulfite ion/antioxidant molar ratio is less than 4.35:1 and greater than 0.25:1.
    Type: Grant
    Filed: November 3, 2000
    Date of Patent: December 16, 2003
    Assignee: Eastman Kodak Company
    Inventors: Shirleyanne Haye, Robert A. Arcus, Janet M. Huston
  • Patent number: 6660464
    Abstract: This invention comprises a silver halide photographic element comprising a support with low oxygen permeability and at least one silver halide emulsion layer containing a fragmentable electron donating compound of the formula: X—Y′ or a compound which contains a moiety of the formula —X—Y′; wherein X is an electron donor moiety, Y′ is a leaving proton H or a leaving group Y, with the proviso that if Y′ is a proton, a base, &bgr;−, is present in the emulsion layer, and wherein: 1) X—Y′ has an oxidation potential between 0 and about 1.4 V; and 2) the oxidized form of X—Y′ undergoes a bond cleavage reaction to give the radical X• and the leaving fragment Y′; and, optionally, 3) the radical X• has an oxidation potential≦−0.7V (that is, equal to or more negative than about −0.7V).
    Type: Grant
    Filed: June 19, 2000
    Date of Patent: December 9, 2003
    Assignee: Eastman Kodak Company
    Inventors: Annabel A. Muenter, Steven P. Szatynski
  • Patent number: 6649250
    Abstract: This invention relates to an imaging element comprising a base polyester layer, an absorbent polyester layer above said base layer, and a glossy polymer layer above said absorbent layer; wherein said element has a 60° Gardner gloss greater than 30% wherein said glossy polymer layer has openings comprising between 5.0 and 10.
    Type: Grant
    Filed: October 11, 2001
    Date of Patent: November 18, 2003
    Assignee: Eastman Kodak Company
    Inventors: Thomas M. Laney, Cathy Fleischer
  • Patent number: 6649332
    Abstract: A method of processing an imagewise exposed color photographic film, said film having at least three light-sensitive units which have their individual sensitivities in different wavelength regions, each of the units comprising at least one light sensitive silver halide emulsion and image dye coupler, which method comprises contacting the imagewise exposed color photographic film with an aqueous solution containing a non-blocked developing agent, at a temperature of between 30 to 60° C.; and wherein said film further comprises an incorporated reducing agent, at least one organic silver salt and an amido compound wherein the reducing agent is substantially unreactive in the aqueous color development step described above, but wherein color development of the same imagewise exposed film is capable of being alternatively obtained, without any externally applied developing agent, by heating said film to a temperature above about 80° C.
    Type: Grant
    Filed: April 30, 2002
    Date of Patent: November 18, 2003
    Assignee: Eastman Kodak Company
    Inventors: David T. Southby, Xiqiang Yang, Benjamin P. Hoag
  • Patent number: 6638696
    Abstract: This invention provides a display element comprising a support, a phosphorescent material, and at least one layer containing a silver halide emulsion, wherein the phosphorescent material is not excited upon exposure of the silver halide emulsion. It further provides methods of exposing and processing such display elements.
    Type: Grant
    Filed: July 16, 2002
    Date of Patent: October 28, 2003
    Assignee: Eastman Kodak Company
    Inventor: Kevin M. Donovan
  • Patent number: 6589722
    Abstract: A method for deriving a color negative film developer composition and processing conditions for developing a photographic film image which is optimized for subsequent digital scanning and digital image file manipulation, which allows for optimum rapid development processing of the film is disclosed.
    Type: Grant
    Filed: March 6, 2002
    Date of Patent: July 8, 2003
    Assignee: Eastman Kodak Company
    Inventors: Robert A. Arcus, Jeffrey L. Hall, John A. Weldy
  • Patent number: 6589721
    Abstract: This invention relates to a method of forming a viewable image from a scene exposed onto a color negative photographic film element and for producing a color image suited for conversion to an electronic form and subsequent reconversion into a viewable form comprising: color developing an imagewise exposed color negative photographic film element with a color developer as described herein said color development being carried out by contacting said film with the developer for a period of 20 to 90 seconds at a temperature of 40° C. or greater; WHEREIN the layer units of the film element each exhibits a dye image gamma of less than 1.0, the element exhibits an exposure latitude of at least 2.7 log E, where E is exposure measured in lux-seconds, and a light sensitivity of at least ISO 50, the gamma ratio of each of the red, green and blue light recording layer units is between about 0.80 and 1.30, and the average layer thickness is 1.5 micrometers or less.
    Type: Grant
    Filed: December 20, 2001
    Date of Patent: July 8, 2003
    Assignee: Eastman Kodak Company
    Inventors: Robert A. Arcus, Allan F. Sowinski, Nigel R. Wildman
  • Patent number: 6579669
    Abstract: This relates to a method of rendering a used photographic processing solution less corrosive to low carbon steel comprising: taking at least a used photographic processing solution containing a color developing agent and a used photographic processing solution containing a bleaching agent; delivering the used photographic processing solutions to a collection vessel to form a used photographic processing composition; and adjusting the pH of the used photographic processing composition to 6.5 to 11.
    Type: Grant
    Filed: October 30, 2001
    Date of Patent: June 17, 2003
    Assignee: Eastman Kodak Company
    Inventors: Eric R. Schmittou, Cynthia A. Salsedo
  • Patent number: 6576792
    Abstract: The invention relates to a 2-halo-1-cycloalkenecarboxamides represented by Formula I: wherein n is 1 or 2; R is hydrogen or an alkyl group; and X is a halogen.
    Type: Grant
    Filed: May 4, 2001
    Date of Patent: June 10, 2003
    Assignee: Eastman Kodak Company
    Inventor: Chang-Kyu Kim
  • Patent number: 6573038
    Abstract: A silver halide photographic element comprising a silver halide emulsion which is greater than 50 mole % silver chloride and a pyrimidine compound represented by Formula I wherein R1, R2, and R3 are each independently a hydrogen atom or a hydroxy, alkoxy, amino, alkylamino, cyanoamino or alkyl group, and R4 is a hydroxy, alkoxy, amino, alkylamino, cyanoamino or alkyl group; provided that at least one of R1, R2, R3, and R4 is a hydroxy or an amino group.
    Type: Grant
    Filed: June 1, 2001
    Date of Patent: June 3, 2003
    Assignee: Eastman Kodak Company
    Inventors: Shihua S. Chen, Roger Lok, Alberto M. Martinez, Dean H. Russell
  • Patent number: 6562560
    Abstract: A process for the treatment of a photographic material particularly a high speed photographic material, comprising an emulsion containing silver halide grains the treatment being to reduce the sensitivity of the material to ionizing radiation comprises prior to exposure, subjecting the material to a treatment that reduces the surface image dispersity so that fewer centers develop on each grain. The process may involve subjecting the photographic emulsion to physical pressure to deform the grains to introduce internal trapping centers for latent image formation so that a proportion of the latent image can be formed within the grains rather than on the grain surface.
    Type: Grant
    Filed: August 16, 2001
    Date of Patent: May 13, 2003
    Assignee: Eastman Kodak Company
    Inventors: Patrick Broadhead, Michael Christianson, Adrian J. B. Codling, Roy King
  • Patent number: 6558888
    Abstract: This invention relates to an imaging element comprising a dye represented by Formulae II and IIA below: wherein; R1 represents a hydrogen, an aryl group containing 6 to 14 carbon atoms, or an alkyl group containing 1 to 12 carbon atoms; R2 and R3 together form an aromatic carbocyclic or heterocyclic ring system containing 6 to 14 atoms; X represents a sulfoxide (S═O), sulfone (SO2), carbonyl (C═O) or dicyanovinyl (C(CN)2) group, and Y represents a sulfoxide (S═O), sulfone (SO2), carbonyl (C═O) or dicyanovinyl (C(CN)2) group, with the proviso that X and Y cannot both be carbonyl; L1, L2, and L3 represent methine groups, wherein the methine groups may combine to form a 5- or 6-membered ring when m is equal to or >1; m is 0, 1, 2, or 3; W is an aryl group; and D is a moiety in conjugation with the X and Y groups.
    Type: Grant
    Filed: February 8, 2002
    Date of Patent: May 6, 2003
    Assignee: Eastman Kodak Company
    Inventors: Margaret J. Helber, Douglas M. Willis, John DiCillo