Patents Represented by Attorney, Agent or Law Firm Edith A. Rice
  • Patent number: 6759187
    Abstract: This invention relates to an imaging element comprising an imaging layer having associated therewith a compound of Structure I: wherein: the substituents are as defined in the application.
    Type: Grant
    Filed: July 11, 2000
    Date of Patent: July 6, 2004
    Assignee: Eastman Kodak Company
    Inventors: Wojciech K. Slusarek, Xiqiang Yang, Mark E. Irving, David H. Levy, Jared B. Mooberry, James J. Seifert, James H. Reynolds, Lyn M. Irving
  • Patent number: 6756192
    Abstract: This invention relates to an imaging element comprising an imaging layer having associated therewith a compound of Structure I: wherein: the substituents are as defined in the application.
    Type: Grant
    Filed: December 30, 1999
    Date of Patent: June 29, 2004
    Assignee: Eastman Kodak Company
    Inventors: Wojciech K. Slusarek, Xiqiang Yang, Mark E. Irving, David H. Levy, Jared B. Mooberry, James J. Seifert, James H. Reynolds, Lyn M. Irving
  • 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: 6620581
    Abstract: This invention comprises a silver halide photographic material comprising at least one silver halide emulsion comprising silver halide grains having associated therewith at least two dyes: (a) a first dye that has at least one anionic substituent and that is capable of spectrally sensitizing a silver halide emulsion; and (b) a second dye that absorbs light at an equal or shorter wavelength than the first dye and that has at least one cationic substituent and that is highly fluorescent.
    Type: Grant
    Filed: October 16, 2000
    Date of Patent: September 16, 2003
    Assignee: Eastman Kodak Company
    Inventors: Richard L. Parton, Joseph C. Deaton, William J. Harrison, Margaret J. Helber
  • Patent number: 6610386
    Abstract: This invention comprises a transferable support comprising a substantially flat sheet having on a surface thereof encoded data in the form of dot code or two-dimensional bar code wherein the data is capable of being read by a sensor. The invention also comprises object having affixed to a surface thereof a support comprising a substantially flat sheet having on a surface thereof encoded data in the form of dot code or two-dimensional bar code wherein the data is capable of being read by an sensor.
    Type: Grant
    Filed: December 31, 1998
    Date of Patent: August 26, 2003
    Assignee: Eastman Kodak Company
    Inventors: Kevin W. Williams, Huijuan D. Chen, W. S. Gaugh
  • Patent number: 6558893
    Abstract: This invention comprises a silver halide photographic material comprising at least one silver halide emulsion comprising silver halide grains having associated therewith a combination of two or more dyes comprising: (a) a first dye which is a cyanine dye of formula Ia and has a net charge of zero or −1  wherein the substituents are as defined in the specification; (b) a second dye which has at least one substituent that has a positive charge, and is a cyanine dye a merocyanine dye, arylidene dye, complex cyanine dye, complex merocyanine dye, homopolar cyanine dye, hemicyanine dye, styryl dye, hemioxonol dye, oxonol dye, anthraquinone dye, triphenylmethane dye, azo dye type, azomethines, or a coumarin dye, with the proviso that if the second dye is a cyanine dye, it is of formula IIa:  wherein the substituents are as defined in the specification; and wherein (c) the wavelength of maximum light absorption, in nanometers (nm), of the first dye and the wavele
    Type: Grant
    Filed: November 17, 2000
    Date of Patent: May 6, 2003
    Assignee: Eastman Kodak Company
    Inventors: Richard L. Parton, Andrei Andrievsky, Thomas L. Penner, William J. Harrison
  • Patent number: 6531272
    Abstract: This invention comprises a multicolor photographic element comprising a support bearing a cyan dye image-forming unit comprising 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, 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 said layers comprises large tabular grains having an average circular diameter of greater than 2 &mgr;m and contains a fragmentable electron donating compound is 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 pr
    Type: Grant
    Filed: January 25, 1999
    Date of Patent: March 11, 2003
    Assignee: Eastman Kodak Company
    Inventors: James A. Friday, Joseph P. Pepe, Jeffrey C. Hansen, Annabel A. Muenter, Jerome R. Lenhard
  • Patent number: 6527977
    Abstract: This invention comprises dispersion comprising a solvent having dispersed therein a liquid-crystal forming dye of structural Formula I: [D-(X)m]-(Y)n wherein: D is a light-absorbing chromophore other than a cyanine dye or a barbituric acid oxonol dye; each Y contains an ionic or a nonionic solubilizing substituent or a group with a pKa value of less than 4 in water; each X is a nonionic substituent; n is 0 to 10; m is 0-10; and the resulting dye forms a liquid-crystalline phase in solvent. The dispersion is particularly useful in imaging and photographic elements.
    Type: Grant
    Filed: January 12, 2001
    Date of Patent: March 4, 2003
    Assignee: Eastman Kodak Company
    Inventors: Margaret J. Helber, William J. Harrison, Raymond P. Scaringe
  • Patent number: 6518008
    Abstract: A multicolor photographic element comprising a support bearing a cyan dye image-forming unit comprising 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, 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 said silver halide emulsion layers contains a tabular grain silver halide emulsion having a halide content of at least 95% bromide and less than about 5% iodide, said iodide being substantially uniformly distributed in the silver halide grains of said emulsion, and said emulsion is sensitized with a fragmentable electron donor of the formula X—Y′ or an electron donor which contains an —XY′ moiety; wherein
    Type: Grant
    Filed: January 25, 1999
    Date of Patent: February 11, 2003
    Assignee: Eastman Kodak Company
    Inventors: James A. Friday, Roger A. Bryant, Annabel A. Muenter, Jerome R. Lenhard
  • Patent number: 6514683
    Abstract: This invention comprises a photographic element comprising at least one light-sensitive 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 3) the radical X• has an oxidation potential ≦−0.
    Type: Grant
    Filed: January 5, 2001
    Date of Patent: February 4, 2003
    Assignee: Eastman Kodak Company
    Inventors: Annabel A. Muenter, Steven P. Szatynski, Sharon G. Johnston
  • Patent number: 6509144
    Abstract: This invention comprises a photographic element comprising a support and at least one blue sensitive silver halide emulsion layer containing a tabular grain silver halide emulsion, or an emulsion in which the halide content is at least 50% chloride and no more than 5% iodide, wherein the emulsion is spectrally sensitized with at least one dye providing a peak sensitization between 446 and 500 nm and at least one dye providing a peak sensitization between 400 and 445 nm and additionally sensitized with a fragmentable electron donor of the formula: X—Y′. or an electron donor which contains an —XY′ moiety; 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 H a base, &bgr;−, is covalently linked directly or indirectly to X. and wherein: 1) X—Y′ has an oxidation potential between 0 and about 1.
    Type: Grant
    Filed: January 25, 1999
    Date of Patent: January 21, 2003
    Assignee: Eastman Kodak Company
    Inventors: Kenneth J. Reed, Joseph P. Pepe, James A. Friday, Jon N. Eikenberry, Yun C. Chang, Annabel A. Muenter, Jerome R. Lenhard
  • Patent number: 6498004
    Abstract: This invention provides a photographic element comprising at least one silver halide emulsion layer in which the silver halide is sensitized with a compound of the formula (a): &Dgr;−(t)m−XY′  (a) XY′−(t)m−&Dgr;  (b) &Dgr;−(t)m−XY′−(t)m−&Dgr;  (c) wherein &Dgr; is protective group that is eliminated during development of the photographic element, t is a timing group, m is an integer from 0 to 3, and XY′ is a fragmentable electron donor moiety in which X is an electron donor group and 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 or is covalently linked directly or indirectly to X, and wherein: 1) X—Y′ has an oxidation potential between 0 and about 1.
    Type: Grant
    Filed: December 28, 2000
    Date of Patent: December 24, 2002
    Assignee: Eastman Kodak Company
    Inventors: Jerome R. Lenhard, Annabel A. Muenter, Stephen A. Godleski, Paul A. Zielinski, Deepak Shukla, Donald R. Diehl
  • Patent number: 6436624
    Abstract: A method for reducing dye stain of an exposed photographic element, said element comprising a support having thereon at least one image-forming layer containing a photobleachable dye, the method comprising processing the element, and exposing the processed element, in presence of a N-oxyazinium, to radiation that can be absorbed either by the photobleachable dye or by the N-oxyazinium.
    Type: Grant
    Filed: December 4, 2000
    Date of Patent: August 20, 2002
    Assignee: Eastman Kodak Company
    Inventors: Samir Y. Farid, Ramanuj Goswami, Mary E. Craver, John M. Mangus
  • Patent number: 6428947
    Abstract: This invention comprises multicolor photographic element comprising a support bearing a cyan dye image-forming unit comprising 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, 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 said red-sensitive or green-sensitive layers comprises a fragmentable electron donating compound of the formula: X—Y′ or a compound which contains a moiety of the formula —X—Y′; wherein the speed gain deriving from addition of said compound to said layer is less than or equal to 0.
    Type: Grant
    Filed: January 5, 2001
    Date of Patent: August 6, 2002
    Assignee: Eastman Kodak Company
    Inventors: Sharon G. Johnston, Annabel A. Muenter, Steven P. Szatynski, Jerome R. Lenhard
  • Patent number: 6416941
    Abstract: A color photographic element comprises a support and at least one dye image forming layer unit comprising gelatin-peptized radiation-sensitive silver halide grains, a fragmentable electron donating compound; and an electron transfer agent releasing compound.
    Type: Grant
    Filed: December 20, 1999
    Date of Patent: July 9, 2002
    Assignee: Eastman Kodak Company
    Inventors: Kenneth J. Reed, Annabel A. Muenter, Sharon R. Lunt, David T. Southby
  • Patent number: 6376163
    Abstract: A UV or visible-light sensitive photobleachable dye composition substantially free of polymerizable monomer comprising a photobleachable dye and an N-oxyazinium compound, a photographic element containing such a photobleachable composition, and a method for bleaching a photographic element.
    Type: Grant
    Filed: February 22, 2000
    Date of Patent: April 23, 2002
    Assignee: Eastman Kodak Company
    Inventors: Ramanuj Goswami, Samir Y. Farid, Robert J. Perry, Paul A. Zielinski, Ian R. Gould, Kevin W. Williams
  • Patent number: 6368781
    Abstract: The invention relates to a photographic element comprising a support and a silve halide emulsion layer wherein the silver halide emulsion contains at least one absorber dye and at least one sensitizing dye. The wavelength of maximum absorbance of said absorber dye and the wavelength of maximum sensitivity of the emulsion provided by the spectral sensitizing dye are substantially the same. The emulsion is chemically sensitized with a stable and water soluble AuI) complex. This provides manufacturing improvements, improved detail and sharpness, improved dodging and burning and lower cost without an unwanted increase in heat sensitivity.
    Type: Grant
    Filed: October 20, 1999
    Date of Patent: April 9, 2002
    Assignee: Eastman Kodak Company
    Inventors: Pamela M. Ferguson, Roger Lok, Alton L. Chitty, Norman R. Oneal
  • Patent number: 6361932
    Abstract: This invention comprises a silver halide photographic material comprising at least one silver halide emulsion comprising silver halide grains having associated therewith at least two dye layers comprising (a) an inner dye layer adjacent to the silver halide grain and comprising at least one dye, Dye 1, that is capable of spectrally sensitizing silver halide and (b) an outer dye layer adjacent to the inner dye layer and comprising at least one dye, Dye 2, wherein Dye 2 is other than a cyanine dye, wherein the dye layers are held together by non-covalent forces; the outer dye layer adsorbs light at equal or higher energy than the inner dye layer; and the energy emission wavelength of the outer dye layer overlaps with the energy absorption wavelength of the inner dye layer.
    Type: Grant
    Filed: September 11, 1998
    Date of Patent: March 26, 2002
    Assignee: Eastman Kodak Company
    Inventors: Richard L. Parton, Thomas L. Penner, William J. Harrison, Margaret J. Helber
  • Patent number: 6355386
    Abstract: This invention is a dispersion comprising a solvent having dispersed therein a liquid-crystal forming dye of structural Formula I: [D—(X)m]—(Y)n  I wherein: D is a merocyanine dye; each Y contains an ionic or a nonionic solubilizing substituent or a group with a pKa value of less than 4 in water; each X is a nonionic substituent; n is 1 to 10; m is 0-10; and the resulting dye forms a liquid-crystalline phase in solvent. The dispersion is particularly useful in imaging and photographic elements.
    Type: Grant
    Filed: October 16, 2000
    Date of Patent: March 12, 2002
    Assignee: Eastman Kodak Company
    Inventors: Margaret J. Helber, William J. Harrison, Richard L. Parton
  • Patent number: 6342341
    Abstract: This invention comprises a silver halide photographic element comprising at least one sensitive silver halide emulsion layer comprising silver halide grains that have been epitaxially sensitized and a fragmentable electron donor compound is 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 covalently linked directly or indirectly to X, 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: December 20, 1999
    Date of Patent: January 29, 2002
    Assignee: Eastman Kodak Company
    Inventors: Kenneth J. Reed, Jerome R. Lenhard, David E. Fenton