Patents by Inventor Thomas Edward Gompf

Thomas Edward Gompf 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).

  • Silver halide color photographic element and process containing leuco dyes
    Patent number: 3938995
    Abstract: Color photographic elements, compositions and processes for producing color negative images are described which employ a leuco dye comprising the reaction product of a color forming coupler and a N,N-dialkyl-p-phenylenediamine having an electronegative group attached to the benzene ring. The leuco dye is stable against aerial oxidation and can be developed to its corresponding dye with certain black and white developing compositions.
    Type: Grant
    Filed: July 10, 1974
    Date of Patent: February 17, 1976
    Assignee: Eastman Kodak Company
    Inventors: Thomas Edward Gompf, William Henry Faul