Polymeric couplers and light-sensitive photographic silver halid

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...

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Details

430627, 430630, G03C 732, G03C 726, G03C 106

Patent

active

047569980

ABSTRACT:
Polymeric couplers with recurring units which contain at least one urethane and/or urea group, are suitable for the production of improved photographic recording materials.

REFERENCES:
patent: 3449126 (1969-06-01), Minsk
patent: 3597215 (1971-08-01), Abel et al.
patent: 4522916 (1985-06-01), Hirano
patent: 4663272 (1987-05-01), Nakamura

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