Patents by Inventor Robert P. Bourdelais

Robert P. Bourdelais has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Expansion of color gamut for silver halide media
    Publication number: 20040023135
    Abstract: The invention relates to a photographic article comprising a base 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: Application
    Filed: June 20, 2003
    Publication date: February 5, 2004
    Inventors: William T. Rochford, Robert P. Bourdelais, Mridula Nair
  • 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
  • Optical element containing an optical spacer
    Publication number: 20030214720
    Abstract: Disclosed is an optical element containing a rough surface having a roughness average equal to at least 5 micrometers wherein the rough surface contains at least two roughness populations in which the roughness average of the at least two populations varies by at least 8 micrometers. The invention provides an optical element containing an integral optical spacer while simultaneously providing scratch and impact resistance.
    Type: Application
    Filed: May 16, 2002
    Publication date: November 20, 2003
    Applicant: Eastman Kodak Company
    Inventors: Robert P. Bourdelais, Cheryl J. Kaminsky
  • Light diffuser with variable diffusion
    Publication number: 20030214812
    Abstract: Disclosed is a light diffuser comprising a macro diffusion efficiency variation. Also disclosed is a light diffuser for rear projection displays, back-lighted imaging media, a liquid crystal display component and device, and a process for diffusing light.
    Type: Application
    Filed: May 16, 2002
    Publication date: November 20, 2003
    Applicant: Eastman Kodak Company
    Inventors: Robert P. Bourdelais, Cheryl J. Kaminsky
  • Light diffuser with colored variable diffusion
    Publication number: 20030214717
    Abstract: The invention provides a light diffuser comprising a macro diffusion efficiency variation wherein at least part of the diffuser is colored. The invention also provides light diffuser comprising a macro diffusion efficiency variation wherein at least part of the diffuser is colored for rear projection displays, back-lighted imaging media, and a liquid crystal display component and device. The invention further provides a process for preparing such a diffuser.
    Type: Application
    Filed: May 16, 2002
    Publication date: November 20, 2003
    Applicant: Eastman Kodak Company
    Inventors: Cheryl J. Kaminsky, Robert P. Bourdelais, John M. Pochan
  • Light reflector with variable diffuse light reflection
    Publication number: 20030214718
    Abstract: Disclosed is a diffuse reflector comprising a macro reflection efficiency variation. The invention provides improved light reflection for a back lit display while simultaneously diffusely reflecting specular light sources.
    Type: Application
    Filed: May 16, 2002
    Publication date: November 20, 2003
    Applicant: Eastman Kodak Company
    Inventors: Cheryl J. Kaminsky, Robert P. Bourdelais
  • Light diffuser containing perimeter light director
    Publication number: 20030214719
    Abstract: Disclosed is a light diffuser comprising a perimeter area and a central area wherein the perimeter area contains a light director that directs at least a portion of the light incident on it toward the central area.
    Type: Application
    Filed: May 16, 2002
    Publication date: November 20, 2003
    Applicant: Eastman Kodak Company
    Inventors: Robert P. Bourdelais, Cheryl J. Kaminsky
  • Transparent label with enhanced sharpness
    Publication number: 20030211269
    Abstract: The invention relates to an imaging element comprising at least one imaging layer wherein said imaging layer comprises photosensitive silver halide layer comprising dye forming couplers, a transparent polymer pragmatic sheet below said at least one imaging layer, an adhesive layer below said pragmatic sheet, and a black carrier sheet below said adhesive layer
    Type: Application
    Filed: November 26, 2002
    Publication date: November 13, 2003
    Inventors: John B. Rieger, David C. Wideman, 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
  • Photographic day/night displays utilizing inorganic particles
    Patent number: 6641973
    Abstract: The invention relates to an imaging member comprising a duplitized imaging 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 from 0.01 &mgr;m to 5 &mgr;m, and a vertical dimension from 0.5 nm to 10 nm, and polymeric resin matrix.
    Type: Grant
    Filed: October 7, 2002
    Date of Patent: November 4, 2003
    Assignee: Eastman Kodak Company
    Inventors: Narasimharao Dontula, Robert P. Bourdelais, Debasis Majumdar, Cheryl J. Kaminsky
  • Bulk complex polymer lens light diffuser
    Patent number: 6636363
    Abstract: Disclosed is a diffusion film comprising a transparent polymeric film base bearing a plurality of integral contiguous layers, each layer having a pattern of complex lenses on a surface thereof, at least two such contiguous layers comprising material having an index of refraction differing by at least 0.1.
    Type: Grant
    Filed: March 11, 2002
    Date of Patent: October 21, 2003
    Assignee: Eastman Kodak Company
    Inventors: Cheryl J. Kaminsky, Robert P. Bourdelais
  • BULK COMPLEX POLYMER LENS LIGHT DIFFUSER
    Publication number: 20030169504
    Abstract: Disclosed is a diffusion film comprising a transparent polymeric film base bearing a plurality of integral contiguous layers, each layer having a pattern of complex lenses on a surface thereof, at least two such contiguous layers comprising material having an index of refraction differing by at least 0.1.
    Type: Application
    Filed: March 11, 2002
    Publication date: September 11, 2003
    Applicant: Eastman Kodak Company
    Inventors: Cheryl J. Kaminsky, Robert P. Bourdelais
  • Surface formed lenses on voided polymer light diffuser
    Publication number: 20030170442
    Abstract: Disclosed is a transparent polymeric diffusion film exhibiting at least 50% transmissivity containing a thermoplastic polymeric material with internal microvoids and containing a plurality of complex lenses on a surface thereof. Such films are useful for diffusing light when it is desired to provide and even light distribution.
    Type: Application
    Filed: March 11, 2002
    Publication date: September 11, 2003
    Applicant: Eastman Kodak Company
    Inventors: Cheryl J. Kaminsky, Robert P. Bourdelais, Thomas M. Laney, Michael R. Brickey
  • Photographic label for reproduction of fine print
    Publication number: 20030170574
    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: Application
    Filed: December 21, 2001
    Publication date: September 11, 2003
    Applicant: Eastman Kodak Company
    Inventors: John B. Rieger, Robert P. Bourdelais
  • Transparent surface formed complex polymer lenses
    Publication number: 20030169512
    Abstract: Disclosed is a transparent polymeric film having a top and bottom surface comprising a plurality of complex lenses on at least one surface thereof and containing as its primary ingredient a polymer sufficient to impart to the film a light transmission of at least 92% based on a film thickness of 125 micrometers.
    Type: Application
    Filed: March 11, 2002
    Publication date: September 11, 2003
    Applicant: Eastman Kodak Company
    Inventors: Robert P. Bourdelais, Cheryl J. Kaminsky, Jehuda Greener
  • Surface formed complex polymer lenses diffuse reflector
    Publication number: 20030169513
    Abstract: Disclosed is a diffuse reflector comprising a reflective layer and a transparent polymeric film comprising a plurality of complex lenses on a surface thereof.
    Type: Application
    Filed: March 11, 2002
    Publication date: September 11, 2003
    Applicant: Eastman Kodak Company
    Inventors: Cheryl J. Kaminsky, Robert P. Bourdelais
  • Surface formed complex multi-layered polymer lenses for light diffusion
    Publication number: 20030169499
    Abstract: Disclosed is an integral film comprising a base bearing a pattern of complex lenses on a surface thereof wherein the complex lenses comprise two or more distinct layers.
    Type: Application
    Filed: March 11, 2002
    Publication date: September 11, 2003
    Applicant: Eastman Kodak Company
    Inventors: Robert P. Bourdelais, Cheryl J. Kaminsky, Steven J. Neerbasch
  • Surface formed complex polymer lenses for visible light diffusion
    Publication number: 20030169514
    Abstract: Disclosed is a transparent polymeric film having a top and bottom surface comprising a plurality of complex lenses on at least one surface thereof. Such a film is useful for diffusing light such as necessary in an LC display device.
    Type: Application
    Filed: March 11, 2002
    Publication date: September 11, 2003
    Applicant: Eastman Kodak Company
    Inventors: Robert P. Bourdelais, Cheryl J. Kaminsky
  • Photographic member with flexibilizer material
    Publication number: 20030162122
    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: Application
    Filed: December 21, 2001
    Publication date: August 28, 2003
    Applicant: Eastman Kodak Company
    Inventors: Mridula Nair, Robert P. Bourdelais, Jehuda Greener