LAYERED CATALYST SYSTEM FOR LUBE OIL HYDROCONVERSION - Patent 0912660

(19)

(11)

EP 0 912 660 A1

(12)

(43)	Date of publication:
	06.05.1999 Bulletin 1999/18

(21)	Application number: 97933476.0

(22)	Date of filing: 15.07.1997

(51)

International Patent Classification (IPC):

C10G 45/ 04^{( . )}
C10G 45/ 52^{( . )}
C10G 45/ 64^{( . )}
C10G 47/ 18^{( . )}
C10M 101/ 02^{( . )}

C10G 45/ 46^{( . )}
C10G 45/ 54^{( . )}
C10G 47/ 10^{( . )}
C10G 65/ 12^{( . )}
C10M 171/ 00^{( . )}

(86)	International application number:
	PCT/US1997/012339

(87)	International publication number:
	WO 1998/002503 (22.01.1998 Gazette 1998/03)

(84)	Designated Contracting States:
	DE ES FI FR GB IT NL PT SE

(30)

Priority:

15.07.1996 US 19960021753P

(71)	Applicant: CHEVRON U.S.A. INC.
	San Francisco, California 94105 (US)

(72)	Inventors:
	ZIEMER, James, N. Martinez, CA 94553 (US) O'REAR, Dennis, J. Petaluma, CA 94952 (US) SANTILLI, Donald, S. Larkspur, CA 94939 (US)

(74)	Representative: Nash, David Allan, et al
	Haseltine Lake & Co., Imperial House, 15-19 Kingsway London WC2B 6UD London WC2B 6UD (GB)

(54)	LAYERED CATALYST SYSTEM FOR LUBE OIL HYDROCONVERSION