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Phenolic dye-forming couplers
T980004 Phenolic dye-forming couplers

Patent Drawings:
Inventor: Osborn
Date Issued: March 6, 1979
Application: 05/874,164
Filed: February 1, 1978
Inventors: Osborn; Harland J. (Rochester, NY)
Assignee: Eastman Kodak Company (Rochester, NY)
Primary Examiner:
Assistant Examiner:
Attorney Or Agent:
U.S. Class: 564/88; 564/99
Field Of Search:
International Class: G03C 7/34
U.S Patent Documents:
Foreign Patent Documents:
Other References:

Abstract: 2,5-Dicarbonylaminophenols containing a p-alkylsulfonylaminophenoxy terminal moiety or a p-alkylaminosulfonylphenoxy terminal moiety in the five-position substituent of the molecule are color-forming couplers useful in photographic silver halide emulsions and elements.
Claim:
Description:
 
 
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