(19)

(11)

EP 0 799 082 A1

(12)

(43) Date of publication: 08.10.1997 Bulletin 1997/41 (21) Application number: 95941486.0 (22) Date of filing: 02.12.1995

(51) International Patent Classification (IPC):  C10G 45/ 64( . ) C10G 49/ 02( . ) C10G 65/ 04( . ) C10G 67/ 04( . ) C10G 73/ 06( . ) C10G 47/ 12( . ) C10G 65/ 02( . ) C10G 65/ 12( . ) C10G 71/ 00( . ) C10G 73/ 44( . ) (86) International application number: PCT/US1995/015461 (87) International publication number: WO 1996/026993 (06.09.1996 Gazette 1996/40)

(84) Designated Contracting States: BE DE ES FR GB IT NL (30) Priority: 19.12.1994 US 19940358504 (71) Applicant: MOBIL OIL CORPORATION Fairfax, Virginia 22037-0001 (US)

(72) Inventors: APELIAN, Minas, Robert Vincentown, NJ 08088-8976 (US) BORGHARD, William, Stern Yardley, PA 19067-4440 (US) DEGNAN, Thomas, Francis Morrestown, NJ 08057-2109 (US) HANLON, Robert, Tryon Glen Mills, PA 19342 (US) RUBIN, Mae, Koenig Bala Cynwyd, PA 19004-1431 (US) (74) Representative: Hucker, Charlotte Jane  Gill Jennings & Every Broadgate House, 7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)