PROCESS FOR INSOLUBILIZING N-CARBOXYALKYL DERIVATIVES OF CHITOSAN - Patent 0617707

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EP 0 617 707 A1

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(43)	Date of publication:
	05.10.1994 Bulletin 1994/40

(21)	Application number: 93900814.0

(22)	Date of filing: 08.12.1992

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International Patent Classification (IPC):

A61L 31/ 04^{( . )}
C08H 5/ 00^{( . )}

C08B 37/ 08^{( . )}
C08J 7/ 00^{( . )}

(86)	International application number:
	PCT/US1992/010417

(87)	International publication number:
	WO 1993/013137 (08.07.1993 Gazette 1993/16)

(84)	Designated Contracting States:
	AT BE CH DE DK ES FR GB GR IE IT LI LU NL SE

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Priority:

20.12.1991 US 19910812187

(71)	Applicant: HOWMEDICA INC.
	New York New York 10017 (US)

(72)	Inventors:
	BARRY, James, J. East Rutherford, NJ 07070 (US) HIGHAM, Paul, A. Ringwood, NJ 07456 (US) MANN, Noelle, N. Boonton Township, NJ 07005 (US)

(74)	Representative: Bradbrook, Geoffrey William
	PFIZER LIMITED Ramsgate Road Sandwich Kent, CT13 9NJ Sandwich Kent, CT13 9NJ (GB)

(54)	PROCESS FOR INSOLUBILIZING N-CARBOXYALKYL DERIVATIVES OF CHITOSAN