Imidazolium hardeners for proteinaceous materials

Details Imidazolium hardeners for proteinaceous materials Imidazolium hardeners for proteinaceous materials

1993-12-21

1995-01-03

Lee, Mary C.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

5483341, 5483164, 5483171, 5483185, 5483231, 430623, C07D295104, C07D23322, C07D23324

Patent

active

053788427

ABSTRACT:
An improved imidazolium hardener is described. These novel hardeners are specifically advantageous for hardening, or crosslinking, a hydrophilic colloid in a photographic element. The advance in the art is realized in A hardening agent chosen from the set consisting of: ##STR1##

REFERENCES:
patent: 3880665 (1975-04-01), Himmelmann
patent: 4063952 (1977-12-01), Himmelmann et al.
patent: 5034249 (1991-07-01), Reif et al.
Lapshin, Kumpan, Komissarov, Cholinomimetic activity of highly stable N-acylonium salts, Chemical Abstracts, 116, 16, 1992.
Lapshin, Kumpan, Komissarov, Cholinomimetic activity of highly stable N-acyl carbamoylimidazole onium salts, Chemical Abstracts, 115, 64025, 1991.

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