Title:
Shifted photographic dyes and compositions, elements and processes employing them
United States Patent T999003


Abstract:
Shifted photographic dyes which have good storage stability, yet rapidly unblock under processing conditions contain a blocked hydroxy group and a neighboring group that anchimerically assists the hydrolytic cleavage of the blocking group under processing conditions.



Inventors:
Ford, John A. (Kodak Park Works, Rochester, NY, 14650)
Lestina, Gregory J. (Kodak Park Works, Rochester, NY, 14650)
Application Number:
06/143659
Publication Date:
10/07/1980
Filing Date:
04/25/1980
Primary Class:
Other Classes:
534/753
International Classes:
G03C8/10; (IPC1-7): C07C107/04; G03C005/54
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Attorney, Agent or Firm:
OGDEN H. WEBSTER (EASTMAN KODAK, 343 STATE T. ROCHESTER NY 14650)