NON-IRRITATING SOFT GAS PERMEABLE CONTACT LENS AND PROCESS FOR PRODUCING SAME - Patent 0441916

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EP 0 441 916 A1

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(43)	Date of publication:
	21.08.1991 Bulletin 1991/34

(21)	Application number: 90911531.0

(22)	Date of filing: 16.07.1990

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International Patent Classification (IPC):

G02C 7/ 04^{( . )}
C08F 30/ 08^{( . )}
C08F 220/ 28^{( . )}
C08F 230/ 08^{( . )}

C08F 20/ 52^{( . )}
C08F 220/ 26^{( . )}
C08F 220/ 56^{( . )}
G02B 1/ 04^{( . )}

(86)	International application number:
	PCT/US1990/003996

(87)	International publication number:
	WO 1991/004288 (04.04.1991 Gazette 1991/08)

(84)	Designated Contracting States:
	CH DE ES FR GB IT LI

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Priority:

14.09.1989 US 19890407263
28.06.1990 US 19900545205

(71)	Applicant: CHANG, Sing-Hsiung
	Danbury, CT 06811 (US)

(72)	Inventor:
	CHANG, Sing-Hsiung Danbury, CT 06811 (US)

(74)	Representative: Baillie, Iain Cameron
	c/o Ladas & Parry Altheimer Eck 2 D-80331 München D-80331 München (DE)

(54)	NON-IRRITATING SOFT GAS PERMEABLE CONTACT LENS AND PROCESS FOR PRODUCING SAME