Silver halide emulsion containing a purified cysteine-glutaralde

Details Silver halide emulsion containing a purified cysteine-glutaralde Silver halide emulsion containing a purified cysteine-glutaralde

1982-01-04

1984-11-06

Jiles, Henry R.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546 10, 548101, 548200, 430487, 430600, C07D27706, C07D51304

Patent

active

044813597

ABSTRACT:
From the complex reaction mixture of cysteine and glutaraldehyde a low molecular weight polymer is recovered for use as an additive to silver halide emulsions and developers to increase speed. Iron and nickel complexes of the purified low molecular weight polymer are similarly useful for silver halide emulsions.

REFERENCES:
patent: 2860976 (1958-11-01), Spath
patent: 3708302 (1973-01-01), Plakunov et al.
patent: 3869289 (1975-03-01), Amering

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