Photographic material with pyrazolone coupler and oil former

Details Photographic material with pyrazolone coupler and oil former Photographic material with pyrazolone coupler and oil former

1987-04-15

1989-03-07

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430545, 430551, G03C 738

Patent

active

048106259

ABSTRACT:
Color photographic recording material which contain pyrazolone magenta couplers, in particular 3-acylaminopyrazolone magenta couplers, have increased stability to formaldehyde if a compound corresponding to formula (I) is used as oil former for the magenta couplers:

REFERENCES:
patent: 3765897 (1973-10-01), Nittel
patent: 3880665 (1975-04-01), Himmelmann
patent: 4003748 (1977-01-01), Langen et al.
patent: 4378425 (1983-03-01), Schnoring et al.
patent: 4379836 (1983-04-01), Schnoring et al.
patent: 4419441 (1983-12-01), Nittel et al.
patent: 4430421 (1984-02-01), Van de Sande et al.
patent: 4490460 (1984-12-01), Shimba et al.

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