POLYMERIC QUATERNARY AMMONIUM COMPOUNDS AND THEIR USE AS OPHTHALMIC ANTIMICROBIALS - Patent 0880351

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EP 0 880 351 A1

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(43)	Date of publication:
	02.12.1998 Bulletin 1998/49

(21)	Application number: 96906426.0

(22)	Date of filing: 14.02.1996

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International Patent Classification (IPC):

A61K 31/ 14^{( . )}
A61P 27/ 00^{( . )}
A61P 31/ 00^{( . )}
C07C 211/ 63^{( . )}
C08G 73/ 00^{( . )}

A61K 31/ 00^{( . )}
A61P 27/ 02^{( . )}
A61P 31/ 04^{( . )}
C07C 215/ 90^{( . )}
C08L 79/ 00^{( . )}

(86)	International application number:
	PCT/US1996/001975

(87)	International publication number:
	WO 1997/029741 (21.08.1997 Gazette 1997/36)

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

(71)	Applicant: ALCON LABORATORIES, INC.
	Fort Worth Texas 76134-2099 (US)

(72)	Inventors:
	KYBA, Evan, P. Arlington, TX 76016 (US) PARK, Joonsup Arlington, TX 76016 (US)

(74)	Representative: Keller, Günter, Dr., et al
	Lederer, Keller & Riederer Patentanwälte Prinzregentenstrasse 16 80538 München 80538 München (DE)

(54)	POLYMERIC QUATERNARY AMMONIUM COMPOUNDS AND THEIR USE AS OPHTHALMIC ANTIMICROBIALS