VINYL ACETATE CATALYST COMPRISING METALLIC PALLADIUM AND GOLD AND PREPARED UTILIZING SONICATION - Patent 1237650

(19)

(11)

EP 1 237 650 A1

(12)

(43)	Date of publication:
	11.09.2002 Bulletin 2002/37

(21)	Application number: 00970972.6

(22)	Date of filing: 17.10.2000

(51)	International Patent Classification (IPC)⁷: B01J 23/52, B01J 23/89, B01J 23/44, B01J 37/34, B01J 37/02, C07C 67/055, C07C 69/01

(86)	International application number:
	PCT/US0028/723

(87)	International publication number:
	WO 0103/6091 (25.05.2001 Gazette 2001/21)

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

(30)

Priority:

17.11.1999 US 441911

(71)	Applicant: Celanese International Corporation
	Dallas,Texas 75234 (US)

(72)	Inventors:
	WANG, Tao Corpus Christi, TX 78413 (US) BROUSSARD, Jerry, A. Corpus Christi, TX 78413 (US) GERBERICH, H., Robert Corpus Christi, TX 78413 (US)

(74)	Representative: James, Anthony Christopher W.P. et al
	Carpmaels & Ransford43 Bloomsbury Square London WC1A 2RA London WC1A 2RA (GB)

(54)	VINYL ACETATE CATALYST COMPRISING METALLIC PALLADIUM AND GOLD AND PREPARED UTILIZING SONICATION