Color photographic materials with phenol or naphthol ring compou

Details Color photographic materials with phenol or naphthol ring compou Color photographic materials with phenol or naphthol ring compou

1984-04-18

1985-07-23

Kittle, John E.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430372, 430542, G03C 106, G03C 700, G03C 734

Patent

active

045308993

ABSTRACT:
A color photographic material containing, as a color stain preventing agent, a substantially colorless phenol and/or naphthol derivative having a group which is not released by displacement of the oxidation product of an aromatic primary amine color developing agent at the 4-position thereof and at least one sulfonamido group and at least one sulfonamido group, acylamino group or sulfonyl group at other positions of the ring. The color stain preventing agent very effectively removes the oxidation product of a color developing agent at color development and maintain the effect for a long period of time.

REFERENCES:
patent: 4366226 (1982-12-01), Hamaoka et al.
patent: 4447523 (1984-05-01), Ross et al.

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