Phenolic dye-forming couplers

- Eastman Kodak Company

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.

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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
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;