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US T999,003 I4Granted
Shifted photographic dyes and compositions, elements and processes employing them
OwnerJohn A. Ford, Gregory J. Lestinainventors
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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.
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