SULFONATED COPOLYMER OF AN ISOOLEFIN AND AN ALKYL-STYRENE - Patent 0586475

(19)

(11)

EP 0 586 475 A1

(12)

(43)	Date of publication:
	16.03.1994 Bulletin 1994/11

(21)	Application number: 92911171.0

(22)	Date of filing: 08.04.1992

(51)

International Patent Classification (IPC):

C08F 8/ 36^{( . )}
C08F 210/ 00^{( . )}

C08F 12/ 00^{( . )}
C08F 212/ 14^{( . )}

(86)	International application number:
	PCT/US1992/002860

(87)	International publication number:
	WO 1992/019657 (12.11.1992 Gazette 1992/28)

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

(30)

Priority:

30.04.1991 US 19910693510

(71)	Applicant: EXXON CHEMICAL PATENTS INC.
	Linden, New Jersey 07036-0710 (US)

(72)	Inventors:
	DUVDEVANI, Ilan Leonia, NJ 07605 (US) NEWMAN, Neil, Frederick Edison, NJ 08820 (US) FUSCO, James, Vincent Red Bank, NJ 07701 (US)

(74)	Representative: Veldhuizen, Albert Dirk Willem
	Exxon Chemical Limited European Patents and Licences Exxon Chemical Technology Centre P.O. Box 1 Abingdon Oxfordshire OX13 6BB Abingdon Oxfordshire OX13 6BB (GB)

(54)	SULFONATED COPOLYMER OF AN ISOOLEFIN AND AN ALKYL-STYRENE