N-O-carboxymethylchitosonium carboxylate salts

Details N-O-carboxymethylchitosonium carboxylate salts N-O-carboxymethylchitosonium carboxylate salts

1993-01-26

1995-05-02

Rollins, John W.

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

Organic compounds

Carbohydrates or derivatives

536 552, 536 553, C08B 3708, C07H 504, C07H 506

Patent

active

054120845

ABSTRACT:
New derivatives of carboxymethyl chitosan are disclosed, which are designated as N,O-Carboxymethylchitosonium carboxylates. The derivatives are ammonium salts made by acidifying a substantially neutral suspension of solid N,O-carboxymethyl chitosan in a diluent with an aqueous solution of the carboxylic acid. The carboxylic acid substitutes on the primary amine sites of the N,O-carboxymethyl chitosan.

REFERENCES:
patent: 4301067 (1981-11-01), Koshugi
patent: 4619995 (1986-10-01), Hayes

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