(19)

(11)

EP 0 804 393 A1

(12)

(43) Date of publication: 05.11.1997 Bulletin 1997/45 (21) Application number: 94927149.0 (22) Date of filing: 21.07.1994

(51) International Patent Classification (IPC):  B01J 29/ 04( . ) B01J 29/ 40( . ) B01J 31/ 12( . ) C07B 61/ 00( . ) C07C 2/ 12( . ) C07C 5/ 22( . ) C07C 15/ 08( . ) C10G 73/ 00( . ) B01J 29/ 06( . ) B01J 31/ 02( . ) B01J 37/ 00( . ) C07C 2/ 02( . ) C07C 2/ 64( . ) C07C 6/ 12( . ) C10G 35/ 095( . ) (86) International application number: PCT/US1994/008239 (87) International publication number: WO 1996/003360 (08.02.1996 Gazette 1996/07)

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

(72) Inventors: CHANG, Clarence, Dayton Princeton, NJ 08540 (US) CHU, Cynthia, Ting-Wah Lawrenceville, NJ 08648 (US) DEGNAN, Thomas, Francis, Jr. Moorestown, NJ 08057 (US) RODEWALD, Paul, Gerhard, Jr. Rocky Hill, NJ 08553 (US) SHIHABI, David, Said Pennington, NJ 08534 (US) (74) Representative: Hucker, Charlotte Jane  Gill Jennings & Every Broadgate House, 7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)