Color photographic material containing novel yellow couplers

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...

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430389, 430543, 430553, 430557, 430558, G03C 146

Patent

active

054551498

ABSTRACT:
Yellow azomethine dyes of particularly elevated stability are obtained from yellow couplers of the formula I by chromogenic development ##STR1## In formula I Q means a residue to complete a 4-pyrimidone ring;

REFERENCES:
patent: 4870000 (1989-09-01), Bergthaller et al.
patent: 5021330 (1991-06-01), Bergthaller et al.
patent: 5021332 (1991-06-01), Bergthaller et al.

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