Silver halide elements with polymers containing ketoiminoguanidi

Details Silver halide elements with polymers containing ketoiminoguanidi Silver halide elements with polymers containing ketoiminoguanidi

1975-04-11

1980-01-29

Brammer, Jack P.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430963, 430355, G03C 530, G03C 172

Patent

active

041860101

ABSTRACT:
A photographic element is described comprising an emulsion layer of low gelatin to silver halide ratio, the emulsion comprising a polymeric compound containing recurring units with ketoiminoguanidinium groups in the side chain to reduce formation of pressure marks.

REFERENCES:
patent: 2882156 (1959-04-01), Minsk
patent: 3482982 (1969-12-01), Miyata
patent: 3885970 (1975-05-01), Miyahara
Zelikman et al, Making and Coating Photographic Emulsions, Focal Press Limited, 1964.

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