Photographic coupler solvents and photographic elements employin

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

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430377, 430554, G03C 726

Patent

active

045406570

ABSTRACT:
Photographic coupler solvents having at least one terminal epoxy group and at least one ester or amide group are described for incorporation in photographic emulsions and elements. The solvents are preferably employed in the magenta layer to reduce background stain produced by exposure to light, heat and humidity.

REFERENCES:
patent: 3729318 (1973-04-01), Himmelmann et al.
patent: 3989529 (1976-11-01), Viro et al.
patent: 4239851 (1980-12-01), Aoki et al.
patent: 4252894 (1981-02-01), Viro et al.
patent: 4368258 (1983-01-01), Fujiwhara et al.

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