Phenolic dye-forming couplers
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.
Latest Eastman Kodak Company Patents:
Description
Patent History
Patent number: T980004
Type: Grant
Filed: Feb 1, 1978
Date of Patent: Mar 6, 1979
Assignee: Eastman Kodak Company (Rochester, NY)
Inventor: Harland J. Osborn (Rochester, NY)
Application Number: 5/874,164
Type: Grant
Filed: Feb 1, 1978
Date of Patent: Mar 6, 1979
Assignee: Eastman Kodak Company (Rochester, NY)
Inventor: Harland J. Osborn (Rochester, NY)
Application Number: 5/874,164
Classifications
Current U.S. Class:
260/556A;
260/307B;
260/307D;
260/308R;
260/308A;
260/308D;
260/401;
260/556S;
260/556AR
International Classification: C07C14375; C07C14379;
International Classification: C07C14375; C07C14379;
