Photographic products and processes

Details Photographic products and processes Photographic products and processes

C - Chemistry, Metallurgy

09

B

96/127, 260/236.

C09B 1/32 (2006.01) C09B 1/28 (2006.01) C09B 1/40 (2006.01) G03C 1/40 (2006.01) G03C 8/10 (2006.01)

Patent

CA 1241954

PHOTOGRAPHIC PRODUCTS AND PROCESSES Myron S. Simon and David P. Waller ABSTRACT OF THE DISCLOSURE Photographic products and processes for the imagewise generation of a dye from a color shifted dye precursor of a preformed image dye, said precursor having at least one Image group, wherein R is hydrogen, alkyl, provided that the .alpha. - carbon does not have a hydrogen atom attached thereto, aryl such as phenyl or substituted phenyl, e.g. p-nitrophenyl, or heterocyclic such as pyridine; R1-R6 are hydrogen, alkyl, preferably having from 1 to 6 carbon atoms, or aryl; n is 0 or 1; and T is a moiety containing a thiazolidin-2-yl group which upon silver-assisted

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