MAGNESIUM OXIDE-SUPPORTED ZIEGLER CATALYST MODIFIED WITH ACID AND HIGHER ALKANOL, AND PROCESS FOR PREPARING NARROW MWD HDPE - Patent 0436672

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EP 0 436 672 A1

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(43)	Date of publication:
	17.07.1991 Bulletin 1991/29

(21)	Application number: 90901100.0

(22)	Date of filing: 30.08.1989

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International Patent Classification (IPC):

C08F 10/ 00^{( . )}
C08F 4/ 60^{( . )}
C08F 10/ 02^{( . )}

C08F 4/ 02^{( . )}
C08F 4/ 658^{( . )}

(86)	International application number:
	PCT/US1989/003738

(87)	International publication number:
	WO 1991/002009 (21.02.1991 Gazette 1991/05)

(84)	Designated Contracting States:
	BE DE FR GB IT NL SE

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Priority:

03.08.1989 US 19890389204

(71)	Applicant: MOBIL OIL CORPORATION
	New York New York 10017 (US)

(72)	Inventor:
	HSIEH, John, Tai-Tung Warren, NJ 07060 (US)

(74)	Representative: Colmer, Stephen Gary, et al
	Mobil Services Company Limited Patent Department Mobil House 50-60 Victoria Street London SW1E 6QB London SW1E 6QB (GB)

(54)	MAGNESIUM OXIDE-SUPPORTED ZIEGLER CATALYST MODIFIED WITH ACID AND HIGHER ALKANOL, AND PROCESS FOR PREPARING NARROW MWD HDPE