Hardening photographic layers containing silver halide with a 1-

Details Hardening photographic layers containing silver halide with a 1- Hardening photographic layers containing silver halide with a 1-

1976-10-19

1978-01-10

Louie, Jr., Won H.

Gas separation: apparatus

Solid sorbent apparatus

With control means responsive to sensed condition

96 67, 96 76R, 96 77, 260112R, 260117, 106125, 427338, 526317, G03C 130

Patent

active

040677419

ABSTRACT:
1-Sulphonyl-4-amino-pyridinium salts are used as quick acting hardeners for protein-containing layers, in particular gelatine layers, for photographic purposes.

REFERENCES:
patent: 2816125 (1957-12-01), Allen et al.
patent: 2950197 (1960-08-01), Allen et al.
patent: 2964404 (1960-12-01), Burness
patent: 3839042 (1974-10-01), Silverman
patent: 3880665 (1975-04-01), Himmelmann

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