Patents Represented by Attorney, Agent or Law Firm Sarah Meeks Roberts
  • Patent number: 6964836
    Abstract: A process for forming photosensitive microcapsules having discrete capsule walls comprising the steps of forming an emulsion of an oily core material in a continuous aqueous phase containing a carboxyvinyl polymer and enwrapping particles of the oily core material in an amine-formaldehyde condensation product produced by in situ condensation of an amine and formaldehyde wherein the carboxyvinyl polymer comprises a crosslinked polymer of acrylic acid is disclosed.
    Type: Grant
    Filed: March 15, 2002
    Date of Patent: November 15, 2005
    Assignee: Eastman Kodak Company
    Inventors: Ibrahim Katampe, Alexander Y. Polykarpov, Joseph C. Camillus
  • Patent number: 6929905
    Abstract: A method of processing a silver bromoiodide photographic element comprising contacting the photographic element with a color developer for less than 120 seconds; wherein the photographic element comprises a support and more than one dye forming unit, and wherein the dye forming unit closest to the support contains an electron transfer agent releasing compound represented by the formula: CAR-(L)n-ETA wherein: CAR is a carrier moiety which is capable of releasing -(L)n-ETA on reaction with oxidized developing agent; L is a divalent linking group, n is 0, 1, or 2; and ETA is a releasable 1-aryl-3-pyrazolidinone electron transfer agent having a calculated log partition coefficient (c log P) greater than or equal to 2.40 bonded to L or CAR through either the nitrogen atom in the 2-position or the oxygen attached to the 3-position of the pyrazolidinone ring.
    Type: Grant
    Filed: December 20, 2001
    Date of Patent: August 16, 2005
    Assignee: Eastman Kodak Company
    Inventors: Stuart T. Gordon, Sharon R. Lunt, David T. Southby, Robert A. Arcus
  • Patent number: 6908188
    Abstract: An ink jet ink set and recording element combination including: A) a porous ink jet recording element having a 60° specular gloss of at least about 30; and B) a pigment based ink jet ink set having at least two inks; wherein the RGD value is less than 40% when 60° is used as the specular angle and the RGD value is calculated according to Equation (A): RGD ? ? ? % = ? ? ? I = 1 N ? ? Gloss ? ( Imaged ? ? ? Areas ) I - Gloss ? ( Non ? ? ? Imaged ? ? ? Areas ) ? ? I = 1 N ? Gloss ? ( Imaged ? ? ? Areas ) I Equation ? ? ? ( A ) Where I is a variable which identifies a certain color patch used in the evaluation, N is the total number of color patches used in the evaluation.
    Type: Grant
    Filed: May 7, 2004
    Date of Patent: June 21, 2005
    Assignee: Eastman Kodak Company
    Inventors: James A. Reczek, Gang C. Han-Adebekun, Huijuan D. Chen
  • Patent number: 6908730
    Abstract: This invention relates to a silver halide photographic material comprising at least one silver halide emulsion comprising silver halide grains having associated therewith: (a) a first dye (Dye 1) that is a cyanine dye capable of spectrally sensitizing a silver halide emulsion and that has at least one anionic substituent; and (b) a second dye (Dye 2) that is not a cyanine dye and that has at least one cationic substituent. Dye 2 has a log P, excluding any counterion, of less than 4.00 and greater than 1.00 or Dye 2 is represented by a dye of formula II as described herein.
    Type: Grant
    Filed: January 17, 2003
    Date of Patent: June 21, 2005
    Assignee: Eastman Kodak Company
    Inventors: Richard L. Parton, Thomas L. Penner, David R. Foster, Stephen A. Hershey
  • Patent number: 6893809
    Abstract: This invention relates to a negative silver halide photographic element comprising a support and a silver halide imaging layer containing a light sensitive silver halide imaging emulsion, said silver halide imaging layer further comprising a separately precipitated non-imaging intentionally fogged fine grain emulsion and an electron transfer agent releasing compound represented by formula (I): CAR1-(L)n-ETA??(I) wherein: CAR1 is a carrier moiety which is capable of releasing -(L)n-ETA on reaction with oxidized developing agent; L is a divalent linking group, n is 0, 1 or 2; and ETA is a releasable electron transfer agent, and (optionally) a development accelerator releasing compound represented by the formula (II): CAR2—(SAM)-NX1—NX2X3??(II) wherein: CAR2 is a carrier moiety which is capable of releasing —(SAM)-NX1—NX2X3 on reaction with oxidized developing agent; SAM is a silver absorbable moiety attached to the carrier moiety and is released on reaction with oxidized development agent; and —NX1—NX2X
    Type: Grant
    Filed: September 16, 2002
    Date of Patent: May 17, 2005
    Assignee: Eastman Kodak Company
    Inventors: Kenneth J. Reed, James A. Friday, John E. Keevert, Stephen P. Singer, Mary C. Brick
  • Patent number: 6881840
    Abstract: This relates to 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), or dicyanovinyl (C(CN)2) group; Y represents a sulfoxide (S?O), sulfone (SO2), carbonyl (C?O) or dicyanovinyl (C(CN)2) group; 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: April 19, 2005
    Assignee: Eastman Kodak Company
    Inventors: Margaret J. Helber, Douglas M. Willis, John DiCillo
  • Patent number: 6867251
    Abstract: This invention relates to a process for making polymer-dye particles comprising, in order: I) forming a colorant mixture comprising a water insoluble dye and an organic medium containing at least one ethylenically-unsaturated monomer; II) combining the colorant mixture with an aqueous mixture comprising a surfactant and a co-stabilizer to form a colorant mixture/aqueous mixture; III) causing the colorant mixture/aqueous mixture to form a stable aqueous droplet mixture via strong agitation; and IV) initiating polymerization to form composite polymer-dye particles comprising a colorant phase and a polymer phase; wherein an addition polymerization initiator is added prior to initiating polymerization. It further relates to composite polymer dye particles prepared by the above process and to composite polymer dye particles comprising a colorant phase containing a water insoluble dye, and a polymer phase, said particles being associated with a co-stabilizer.
    Type: Grant
    Filed: December 14, 2001
    Date of Patent: March 15, 2005
    Assignee: Eastman Kodak Company
    Inventors: Xiaoru Wang, Huijuan D. Chen
  • Patent number: 6815153
    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 said photographic element has an ISO speed rating of 800 or greater and has an integrated RMS green granularity equal to or less than 11.2.
    Type: Grant
    Filed: January 17, 2003
    Date of Patent: November 9, 2004
    Assignee: Eastman Kodak Company
    Inventors: James A. Friday, Roger A. Weiss, Anabisdally I. Bodden
  • Patent number: 6811963
    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: November 2, 2004
    Assignee: Eastman Kodak Company
    Inventors: Sharon G. Johnston, Stephen P. Singer, Drake M. Michno, James A. Friday, David R. Foster
  • Patent number: 6794121
    Abstract: This invention relates to a method of spectrally sensitizing a silver halide emulsion comprising the following steps in the following order a) providing a silver halide emulsion comprising tabular silver halide grains having an inner dye layer adjacent to the silver halide grain, said dye layer comprising at least one dye (Dye 1) that is capable of spectrally sensitizing silver halide, b) adding to the emulsion at least one dye (Dye 2) capable of providing a second dye layer adjacent to the inner dye layer, and c) adding to the emulsion a non-cationic surfactant or a scavenger for oxidized developer, or a combination of the two, to form a silver halide emulsion comprising silver halide grains having associated therewith two dye layers, wherein the dye layers are held together by non-covalent forces or by in situ bond formation; 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
    Type: Grant
    Filed: January 17, 2003
    Date of Patent: September 21, 2004
    Assignee: Eastman Kodak Company
    Inventors: David R. Foster, Stephen P. Singer, William J. Harrison, Alan R. Pitt
  • Patent number: 6789887
    Abstract: This invention relates to an inkjet printing method comprising providing a liquid inkjet ink which contains a thermally responsive material and applying the liquid ink jet ink onto an inkjet recording element in an imagewise fashion, wherein the inkjet recording element has been heated to a temperature higher than the temperature of the liquid inkjet ink.
    Type: Grant
    Filed: February 20, 2002
    Date of Patent: September 14, 2004
    Assignee: Eastman Kodak Company
    Inventors: Zhihao Yang, Ravi Sharma, Simon Yandila
  • Patent number: 6790602
    Abstract: This invention relates to a method of spectrally sensitizing a silver halide emulsion comprising the following steps in the following order a) providing a silver halide emulsion comprising tabular silver halide grains having an inner dye layer adjacent to the silver halide grain, said dye layer comprising at least one dye (Dye 1) that is capable of spectrally sensitizing silver halide, b) adding to the emulsion at least one dye (Dye 2) capable of providing a second dye layer adjacent to the inner dye layer, and c) adding to the emulsion a non-cationic surfactant or a scavenger for oxidized developer, or a combination of the two, to form a silver halide emulsion comprising silver halide grains having associated therewith two dye layers, wherein the dye layers are held together by non-covalent forces or by in situ bond formation; 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
    Type: Grant
    Filed: January 17, 2003
    Date of Patent: September 14, 2004
    Assignee: Eastman Kodak Company
    Inventors: David R. Foster, Stephen P. Singer, William J. Harrison, Alan R. Pitt
  • Patent number: 6787297
    Abstract: This invention provides a silver halide photographic element comprising at least one silver halide emulsion comprising silver halide grains which have associated therewith at least an inner dye layer and an outer dye layer wherein the outer dye layer comprises a dye having at least one substituent that has a positive charge, said photographic element further comprising a cyanine dye of formula (I) or (II) (as described in the specification) that is capable of spectrally sensitizing a silver halide emulsion.
    Type: Grant
    Filed: May 12, 2003
    Date of Patent: September 7, 2004
    Assignee: Eastman Kodak Company
    Inventors: Steven G. Link, Richard L. Parton, Robert D. Wilson, Roger A. Bryant, William J. Harrison
  • Patent number: 6780573
    Abstract: The invention relates to a color silver halide photographic element comprising a light-sensitive silver halide emulsion layer, said silver halide emulsion being in reactive association with an amino acid compound according to Formula (I): wherein: COUP is a moiety that reacts with oxidized developer to release the amino acid timing group but does not substantially contribute any density in the visible region to the element after processing is complete; n is 0 or 1; R1 is an alkyl or alkenyl group of 4 carbon atoms or more or an aryl group with 10 carbon atoms or more; R2 is an alkyl or aryl group so the sum total of carbon atoms in R1 and R2 together are at least 5; and PUG is a photographically useful group.
    Type: Grant
    Filed: May 30, 2003
    Date of Patent: August 24, 2004
    Assignee: Eastman Kodak Company
    Inventors: Stephen P. Singer, Christopher W. Grote, Robert C. Stewart, Janet N. Younathan, Jerrold N. Poslusny
  • Patent number: 6767677
    Abstract: This invention relates to a silver halide photographic display element comprising a support, a front side which has at least one silver halide emulsion layer, and a back side, said front and back sides being on opposite sides of the support; wherein said photographic element further comprises printed on the back side a printing ink composition comprising coalesced hydrophobic polymer particles having associated therewith a squarine infrared absorbing dye represented by formula I: wherein: R and R′ independently represents an aromatic or a heteroaromatic group such that the resulting dye has an absorption max greater than 800 nm; X represents an oxygen or nitrogen atom, or a group containing an oxygen or a nitrogen atom as a heteroatom, wherein the group must be attached through the heteroatom; W is a monovalent counter anion to balance the charge on the dye and m is 0 or 1.
    Type: Grant
    Filed: November 20, 2002
    Date of Patent: July 27, 2004
    Assignee: Eastman Kodak Company
    Inventor: Kevin W. Williams
  • Patent number: 6764173
    Abstract: An ink jet printing method, comprising the steps of A) providing an ink jet printer that is responsive to digital data signals; B) loading the printer with an ink jet recording element; C) loading the printer with an ink jet ink composition including an aqueous ink jet ink composition including: a pigment, a polymer latex containing at least one halogenated vinyl monomer, at least one surfactant, and a humectant; and D) printing on the ink jet recording element accompanied by a heating step using the ink jet ink composition in response to the digital data signals.
    Type: Grant
    Filed: September 27, 2002
    Date of Patent: July 20, 2004
    Assignee: Eastman Kodak Company
    Inventors: Huijuan D. Chen, Xiaoru Wang, Ricky G. Frazier
  • Patent number: 6756188
    Abstract: This invention relates to a photographic element comprising a support and at least two silver halide emulsion layers further comprising, an electron transfer agent releasing compound represented by the formula (I): CAR1—(L)n—ETA  (I) wherein: CAR1 is a carrier moiety which is capable of releasing —(L)n-ETA on reaction with oxidized developing agent; L is a divalent linking group, n is 0, 1 or 2; and ETA is a releasable 1-aryl-3-pyrazolidinone electron transfer agent having a calculated log partition coefficient (c log P) greater than or equal to 2.40 and the total sum of the Hammett sigma(para) values of the substituents on the 1-aryl ring is 0.
    Type: Grant
    Filed: September 16, 2002
    Date of Patent: June 29, 2004
    Assignee: Eastman Kodak Company
    Inventors: John E. Keevert, Stephen P. Singer, Kenneth J. Reed, Kenneth J. Lushington, Mary C. Brick, James A. Friday
  • Patent number: 6743573
    Abstract: This invention provides a black and white silver halide photographic display element comprising a support and a layer on top of said support comprising baryta and a yellow pigment represented by Formula I wherein each of R1, R2, and R5 independently represents a halogen atom, or a substituted or unsubstituted alkyl, alkenyl, aryl, aralkyl, cycloalkyl, alkoxy, or alkyl amino group of 1 to 8 carbon atoms, or a substituted or unsubstituted aminocarbonyl, alkoxycarbonyl or alkylthio group of 2 to 10 carbon atoms, or a substituted or unsubstituted alkylsulfonyl, arylsulfonyl or sulfamoyl group of 1 to 8 carbon atoms, or a nitro, amino, acetamido, hydroxy, cyano, carboxy, carboxylate, sulfonic acid, or sulfonate group, additionally pairs of R1 or R2 may represent the non-metallic atoms necessary to complete a substituted or unsubstituted ring system containing at least one 5- or 6-membered heterocyclic or carbocylic fused ring; and n, m and r are independently 0 to 5.
    Type: Grant
    Filed: February 3, 2003
    Date of Patent: June 1, 2004
    Assignee: Eastman Kodak Company
    Inventors: Margaret J. Helber, Charles H. Vogt, David T. Southby
  • Patent number: 6740477
    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: May 12, 2003
    Date of Patent: May 25, 2004
    Assignee: Eastman Kodak Company
    Inventors: Eric R. Schmittou, Cynthia A. Salsedo
  • Patent number: 6736977
    Abstract: A method of disposing of photographic silver halide processing solutions including developer, bleach and at least one silver bearing solution comprising a) combining the developer and bleach solutions to oxidize the developing agent in the developer and form a developer/bleach waste solution, b) treating the silver bearing solution(s) to reduce the silver ion level and form a low silver waste solution; and c) contacting the developer/bleach waste solution and the low silver waste solution with an absorbent material to form an apparently dry waste material having a leachable silver ion level below 5 ppm.
    Type: Grant
    Filed: November 3, 2000
    Date of Patent: May 18, 2004
    Assignee: Eastman Kodak Company
    Inventors: Jeffrey L. Hall, Faye Transvalidou, Lloyd A. Lobo