Cyan dye-forming couplers and photographic materials containing

Details Cyan dye-forming couplers and photographic materials containing Cyan dye-forming couplers and photographic materials containing

1986-12-12

1988-10-04

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430553, G03C 734

Patent

active

047756160

ABSTRACT:
Novel phenolic cyan dye-forming couplers contain a p-cyanophenylureido group in the 2-position and in the 5-position an acylamino substituent containing a sulfone group having bulky substituents sufficient to provide steric interaction within the coupler molecule and the dye molecule derived therefrom. The couplers are useful in photographic emulsions.

REFERENCES:
patent: 4333999 (1982-06-01), Lau
patent: 4609619 (1986-09-01), Katoh et al.

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