Patents Represented by Attorney, Agent or Law Firm Paul A. Leipold
  • High chloride emulsion having high sensitivity and low fog
    Patent number: 6740482
    Abstract: The invention provides a radiation sensitive emulsion comprised of a dispersing medium and silver iodochloride grains WHEREIN the silver iodochloride grains are partially bounded by {100} crystal faces satisfying the relative orientation and spacing of cubic grains and contain from 0.
    Type: Grant
    Filed: December 22, 1994
    Date of Patent: May 25, 2004
    Assignee: Eastman Kodak Company
    Inventors: Benjamin Teh-Kung Chen, Roger Lok
  • Fingerprint protection for clear photographic shield
    Patent number: 6740480
    Abstract: The invention provides a photographic element comprising a transparent polymer sheet, at least one layer containing negative working photosensitive silver halide and at least one upper protective shield to protect the surface of said transparent polymer.
    Type: Grant
    Filed: November 3, 2000
    Date of Patent: May 25, 2004
    Assignee: Eastman Kodak Company
    Inventors: Peter T. Aylward, Alphonse D. Camp, Robert P. Bourdelais
  • Sensitization of cubic AgCl emulsions with improved wet abrasion resistance
    Patent number: 6730467
    Abstract: The invention relates to a method of forming a silver halide emulsion comprising forming a silver chloride emulsion, adding spectral sensitizing dye, sulfur, and gold sulfide to said emulsion, heating said emulsion to chemically and spectrally sensitize said emulsion, and cooling said emulsion.
    Type: Grant
    Filed: January 26, 1998
    Date of Patent: May 4, 2004
    Assignee: Eastman Kodak Company
    Inventors: Jerzy Z. Mydlarz, Roger L. Klaus
  • Protective layer for hydrophilic packaging material
    Patent number: 6723402
    Abstract: 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: Grant
    Filed: December 21, 2001
    Date of Patent: April 20, 2004
    Assignee: Eastman Kodak Company
    Inventors: Mridula Nair, William T. Rochford, Kenneth W. Best, Jr., Robert P. Bourdelais
  • Kenaf imaging base and method of formation
    Patent number: 6692798
    Abstract: This invention relates to an imaging member comprising an image layer and a paper base comprising a mixture of vegetable fibers and wood fibers wherein said vegetable fibers comprise between 5 and 25 percent by weight of said paper base.
    Type: Grant
    Filed: July 24, 2000
    Date of Patent: February 17, 2004
    Assignee: Eastman Kodak Company
    Inventors: Suresh Sunderrajan, Sandra J. Dagan, Robert P. Bourdelais, Peter T. Aylward, Patrick J. Whittaker
  • Fabric imaging element
    Patent number: 6689517
    Abstract: The invention relates to an imaging element comprising at least one image layer and a base wherein said base comprises an upper polymer sheet having an elastic modulus of between 500 and 6,000 MPa said upper sheet being adhered to a textile having a roughness of between 0.8 and 8.0 micrometers, and a lower polymer sheet adhered to said textile.
    Type: Grant
    Filed: August 20, 2002
    Date of Patent: February 10, 2004
    Assignee: Eastman Kodak Company
    Inventors: Cheryl J. Kaminsky, Robert P. Bourdelais, Steven J. Neerbasch, Kalpana Singh
  • Color negative film element and process for developing
    Patent number: 6686136
    Abstract: A color negative photographic element especially suited for preloading in a one-time-use camera is disclosed. The element is capable of producing images that, when developed, converted to electronic form, and then converted to a viewable form, exhibit excellent color, reduced granularity, and improved sharpness. The photographic elements contain blue, green, and red recording layer units capable of forming spectrally differentiated dye images. The layer units are substantially free of colored masking coupler, and each exhibits a dye image gamma of less than 1.5. The element exhibits an exposure latitude of at least 2.7 log E. The gamma ratios of the blue, green, and red recording layer units are between 0.80 and 1.2. Chemical processing of the element is also disclosed.
    Type: Grant
    Filed: June 25, 1998
    Date of Patent: February 3, 2004
    Assignee: Eastman Kodak Company
    Inventors: Allan F. Sowinski, Richard P. Szajewski, Lois A. Buitano, Frank R. Brockler, John D. Buhr
  • Image layer comprising intercalated clay particles
    Patent number: 6680108
    Abstract: The invention relates to an imaging member comprising a substrate and an image layer comprising smectite clay particles intercalated with polyvinyl pyrrolidone and dispersed in polyethylene oxide.
    Type: Grant
    Filed: July 17, 2000
    Date of Patent: January 20, 2004
    Assignee: Eastman Kodak Company
    Inventors: Debasis Majumdar, Dwight W. Schwark, Robert J. Kress, Thomas N. Blanton
  • Photographic element with voided cushioning layer
    Patent number: 6656671
    Abstract: This invention relates to a photographic element comprising at least one silver halide containing imaging layer and a cushioning layer below said at least one imaging layer having a compression percentage of between 5 and 25%.
    Type: Grant
    Filed: November 20, 1998
    Date of Patent: December 2, 2003
    Assignee: Eastman Kodak Company
    Inventors: Peter T. Aylward, Robert P. Bourdelais, Thaddeus S. Gula
  • Photographic label for reproduction of fine print
    Patent number: 6653061
    Abstract: The invention relates to a photographic label comprising a pragmatic polymer sheet, at least one layer comprising at least one image forming layer comprising photosensitive silver halide grains and dye forming coupler above said pragmatic polymer sheet, wherein said at least one image forming layer has an exposure time to obtain a usable Dmax of 1.5 of less than 0.01 seconds, wherein said at least one image forming layer is substantially free of image dye stabilizers, and wherein said polymer sheet has an L* of greater than 95.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: November 25, 2003
    Assignee: Eastman Kodak Company
    Inventors: John B. Rieger, Robert P. Bourdelais
  • Photographic member with flexibilizer material
    Patent number: 6645690
    Abstract: The invention relates to a photographic element comprising a base and hydrophillic colloid layers comprising at least one layer comprising photosensitive silver halide, wherein said hydrophilic colloid imaging layers further comprise a flexibilizer agent and said flexibilizer agent has a logP of greater than −1.2.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: November 11, 2003
    Assignee: Eastman Kodak Company
    Inventors: Mridula Nair, Robert P. Bourdelais, Jehuda Greener
  • Ink jet recording element
    Patent number: 6641875
    Abstract: An ink jet recording element comprising a support having thereon a porous image-receiving layer comprising at least about 50% by weight of particles and less than about 20% by weight of a binder, the particles comprising a mixture of (a) inorganic particles having a primary particle size of from about 7 to about 40 nm in diameter which may be aggregated to provide a mean aggregate particle size of up to about 500 nm; and (b) colloidal particles having a mean particle size of from about 20 to about 500 nm; and wherein the difference between the mean aggregate particle size of the (a) inorganic particles and the mean particle size of the (b) colloidal particles is within about 10%.
    Type: Grant
    Filed: August 31, 2001
    Date of Patent: November 4, 2003
    Assignee: Eastman Kodak Company
    Inventors: Sridhar Sadasivan, Lixin Chu, John M. Baier, Elizabeth A. Gallo
  • Use of large particle size lubricants in the protective overcoat of photographic papers
    Patent number: 6613503
    Abstract: The invention relates to a photographic element comprising a reflection support and an overcoat layer wherein said overcoat layer comprises hydrophilic binder and lubricant, said lubricant has a particle mean diameter of greater than 1 &mgr;m and the volume of particles of lubricant below 1 &mgr;m is less than 5% of said total volume of lubricant.
    Type: Grant
    Filed: June 26, 1996
    Date of Patent: September 2, 2003
    Assignee: Eastman Kodak Company
    Inventors: Walter Harold Isaac, James Stephen Honan, Edgar Erick Riecke
  • Ink jet printing method
    Patent number: 6612692
    Abstract: An ink jet printing method having 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 having a support having thereon the following layers in order: i) a base layer of a polymeric binder, a polymeric mordant and a stabilizer having the following formula: and ii) an overcoat layer of a trisaryl-1,3,5-triazine ultraviolet light absorbing material; C) loading the printer with an ink jet ink composition of water, a humectant, and a water-soluble dye; and D) printing on the overcoat layer using the ink jet ink in response to the digital data signals.
    Type: Grant
    Filed: October 31, 2001
    Date of Patent: September 2, 2003
    Assignee: Eastman Kodak Company
    Inventors: Kristine B. Lawrence, Paul B. Merkel
  • Ink jet recording element
    Patent number: 6605325
    Abstract: An ink jet recording element having a support having thereon the following layers in order: i) a base layer of a polymeric binder, a polymeric mordant and a stabilizer having the following formula: and ii) an overcoat layer of a trisaryl-1,3,5-triazine ultraviolet light absorbing material.
    Type: Grant
    Filed: October 31, 2001
    Date of Patent: August 12, 2003
    Assignee: Eastman Kodak Company
    Inventors: Kristine B. Lawrence, Paul B. Merkel
  • Imaging element with nacreous pigment
    Patent number: 6599669
    Abstract: The invention relates to a photographic element comprising nacreous pigment.
    Type: Grant
    Filed: August 16, 2001
    Date of Patent: July 29, 2003
    Assignee: Eastman Kodak Company
    Inventors: Peter T. Aylward, Robert P. Bourdelais, Alphonse D. Camp, Pamela M. Ferguson
  • Photographic element with nacreous overcoat
    Patent number: 6596447
    Abstract: This invention relates to a photographic element comprising at least one layer comprising nacreous pigment above the image.
    Type: Grant
    Filed: August 16, 2001
    Date of Patent: July 22, 2003
    Assignee: Eastman Kodak Company
    Inventors: Alphonse D. Camp, Peter T. Aylward, Robert P. Bourdelais
  • Nacreous imaging element containing a voided polymer layer
    Patent number: 6596451
    Abstract: The invention relates to an imaging element comprising an imaging layer, a nacreous pigment, and at least one layer comprising voids.
    Type: Grant
    Filed: August 16, 2001
    Date of Patent: July 22, 2003
    Assignee: Eastman Kodak Company
    Inventors: Narasimharao Dontula, Peter T. Aylward, Robert P. Bourdelais, Alphonse D. Camp
  • Expansion of color gamut for silver halide media
    Patent number: 6593042
    Abstract: The invention relates to a photographic article comprising abase material carrying at least one layer comprising a photographic image formed by combination of dyes formed from couplers wherein areas of said photo image are colored without dyes formed by couplers.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: July 15, 2003
    Assignee: Eastman Kodak Company
    Inventors: William T. Rochford, Robert P. Bourdelais, Mridula Nair
  • Crease resistant imaging element with coated paper base
    Patent number: 6589720
    Abstract: The invention relates to an imaging element comprising a coated coated paper base, a lower biaxially oriented sheet, and an upper biaxially oriented sheet.
    Type: Grant
    Filed: October 29, 2001
    Date of Patent: July 8, 2003
    Assignee: Eastman Kodak Company
    Inventors: Robert P. Bourdelais, Peter T. Aylward, Geoffrey Mruk