Method of hardening gelatin

Details Method of hardening gelatin Method of hardening gelatin

1977-02-01

1978-01-03

Schain, Howard E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

96111, 106125, 260 8, C09H 700

Patent

active

040666360

ABSTRACT:
A method of hardening gelatin which comprises treating gelatin with a compound represented by the formula (I): ##STR1## wherein X represents a hydrogen atom, an alkyl group having 6 or less carbon atoms, an aryl group having 8 or less carbon atoms, a haloalkyl group having 2 or less carbon atoms, an alkoxy group having 10 or less carbon atoms, a halogen atom, a carboxy group, a sulfo group, a salt, an alkyl ester having 4 or less carbon atoms in the alkyl moiety or an amide of said carboxy or sulfo group, an acylamino group or a nitro group, n represents 1 or 2, and R represents a monovalent or divalent organic group.

REFERENCES:
patent: 3455892 (1969-07-01), Froehlich
patent: 4028320 (1977-06-01), Sera et al.

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