Chitosan or chitin derivative and method for processing silver h

Details Chitosan or chitin derivative and method for processing silver h Chitosan or chitin derivative and method for processing silver h

1991-03-13

1992-10-13

Le, Hoa Van

Radiation imagery chemistry: process, composition, or product th

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

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

430226, 430376, 430451, 430455, 430470, 430491, 430505, 430512, 430543, 430544, 430559, 430566, 430621, 430957, 430958, G03C 554, G03C 106

Patent

active

051550040

ABSTRACT:
A chitosan or chitin compound having a photographically useful residue. There is also disclosed a method for processing a silver halide photographic material which comprises processing a silver halide photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer in the presence of said chitosan or chitin compound represented by the following general formula (I) ##STR1## wherein the substituents are defined in the instant specification.

REFERENCES:
patent: 2669529 (1951-02-01), Rust
patent: 2842049 (1958-07-01), Delangre
patent: 3990895 (1976-11-01), Land
patent: 4309534 (1982-01-01), Austin
patent: 4675245 (1987-06-01), Von Meer
patent: 5002862 (1991-03-01), Yagihara et al.

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