Polymeric phosphonium mordant and photographic element containin

Details Polymeric phosphonium mordant and photographic element containin Polymeric phosphonium mordant and photographic element containin

1988-08-04

1989-08-08

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Diffusion transfer process, element, or identified image...

430941, 5253292, 5253334, 525340, 5253333, 525916, 526274, 526278, G03C 554, C08F 3002, C08F 1924, C08F 1208

Patent

active

048552119

ABSTRACT:
Phosphonium mordanting polymer, that is capable of fixing acid dyes and that comprises randomly distributed recurring units corresponding to the general formula (I) ##STR1## wherein: A represents a unit that is derived from a copolymerizable monomer capable of quenching singlet oxygen e.g. N-vinylimidazole or 2-methyl-1-vinylimidazole;

REFERENCES:
patent: 3547649 (1970-12-01), Franco
patent: 3958995 (1976-05-01), Campbell et al.
patent: 4701400 (1987-10-01), Katoh

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