QUATERNARY AMMONIUM SALTS IN HYDROGEL CONTACT LENSES

(19)

(11)

EP 0 044 293 A1

(12)

(43)	Date of publication:
	27.01.1982 Bulletin 1982/04

(21)	Application number: 80900690.0

(22)	Date of filing: 21.01.1980

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International Patent Classification (IPC):

G02B 1/ 04^{( . )}

(86)	International application number:
	PCT/US1980/000058

(87)	International publication number:
	WO 1981/002136 (06.08.1981 Gazette 1981/19)

(84)	Designated Contracting States:
	AT CH DE FR GB LU NL SE

(71)	Applicant: FOLEY, Jr., William M.
	Glendale, CA 91206 (US)

(72)	Inventor:
	FOLEY, Jr., William M. Glendale, CA 91206 (US)

(54)	QUATERNARY AMMONIUM SALTS IN HYDROGEL CONTACT LENSES