Method of producing a hardened gelatin layer using aqueous solut

Details Method of producing a hardened gelatin layer using aqueous solut Method of producing a hardened gelatin layer using aqueous solut

1974-09-30

1976-04-20

Schain, Howard E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

96111, 106125, C09H 700, G03C 130

Patent

active

039519406

ABSTRACT:
This invention relates to the hardening of gelatin layers. The gelatin is heated with an aqueous solution of a 2-halogeno pyridinium compound.

REFERENCES:
patent: 3396127 (1968-08-01), Burness et al.
patent: 3511849 (1970-05-01), Wilson
patent: 3792021 (1974-02-01), Tschopp et al.
patent: 3826788 (1974-07-01), Froehlich et al.
patent: 3880665 (1975-04-01), Himmelmann
J. Organic Chemistry, 16, pp. 1143-1144 (1951), Bradlow et al.
Chem. Abstracts, Vol. 80, 1974, 114783q, Ballantine et al.

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