Patents by Inventor Joseph H. Ambro

Joseph H. Ambro 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).

  • Cyan dye mixtures for thermal color proofing
    Patent number: 5874196
    Abstract: A cyan dye-donor element for thermal dye transfer comprising a support having thereon a dye layer comprising a mixture of cyan dyes dispersed in a polymeric binder, at least one of the cyan dyes having the formula: ##STR1## and at least one of the other of the dyes having the formula: ##STR2##
    Type: Grant
    Filed: August 29, 1997
    Date of Patent: February 23, 1999
    Assignee: Eastman Kodak Company
    Inventors: Derek D. Chapman, Linda A. Kaszczuk, Joseph H. Ambro
  • Cyan dye mixtures for thermal color proofing
    Patent number: 5866510
    Abstract: A cyan dye-donor element for thermal dye transfer comprising a support having thereon a dye layer comprising a mixture of cyan dyes dispersed in a polymeric binder, at least one of the cyan dyes having the formula: ##STR1## and at least one of the other of the dyes having the formula: ##STR2##
    Type: Grant
    Filed: August 29, 1997
    Date of Patent: February 2, 1999
    Assignee: Eastman Kodak Company
    Inventors: Derek D. Chapman, Linda A. Kaszczuk, Joseph H. Ambro
  • Magenta dye mixture for thermal color proofing
    Patent number: 5866509
    Abstract: A magenta dye-donor element for thermal dye transfer comprises a support having thereon a dye layer comprising a mixture of magenta dyes dispersed in a polymeric binder, at least one of the magenta dyes having the formula: ##STR1## and at least another of the magenta dyes having the formula: ##STR2##
    Type: Grant
    Filed: August 29, 1997
    Date of Patent: February 2, 1999
    Assignee: Eastman Kodak Company
    Inventors: Derek D. Chapman, Linda A. Kaszczuk, Joseph H. Ambro
  • Cyan dye mixtures for thermal color proofing
    Patent number: 5792587
    Abstract: A cyan dye-donor element for thermal dye transfer comprising a support having thereon a dye layer comprising a mixture of cyan dyes dispersed in a polymeric binder, at least one of the cyan dyes having the formula: ##STR1## and at least one of the other of the dyes having the formula: ##STR2##
    Type: Grant
    Filed: August 29, 1997
    Date of Patent: August 11, 1998
    Assignee: Eastman Kodak Company
    Inventors: Derek D. Chapman, Linda A. Kaszczuk, Joseph H. Ambro
  • Mixture of dyes for cyan dye donor for thermal color proofing
    Patent number: 5177052
    Abstract: A cyan dye-donor element for thermal dye transfer comprising a yellow dye and a mixture of cyan dyes dispersed in a polymeric binder, at least one of the cyan dyes having the formula: ##STR1##
    Type: Grant
    Filed: July 25, 1991
    Date of Patent: January 5, 1993
    Assignee: Eastman Kodak Company
    Inventors: Joseph H. Ambro, Derek D. Chapman, Steven Evans
  • Color proofing method and article
    Patent number: 4657831
    Abstract: Electrophotographic color proofs of half-tone dot pattern images are made which closely simulate the dot gain of prints made with lithographic plates and liquid inks. In forming the color proof, a thin transparent plastic sheet having on one side an electrophotographic toner dot pattern image is laminated to a reflective support with the toner image side in contact with the support. A thicker transparent plastic sheet is laminated to the other side of the thin sheet. The resulting color proof comprising a toner dot pattern on a reflective support and covered by a thin transparent layer and a thicker transparent layer has an apparent increase in dot size which simulates that of a press print.
    Type: Grant
    Filed: March 11, 1986
    Date of Patent: April 14, 1987
    Assignee: Eastman Kodak Company
    Inventors: Joseph H. Ambro, Lawrence E. Contois