(19)

(11)

EP 0 863 860 A1

(12)

(43) Date of publication: 16.09.1998 Bulletin 1998/38 (21) Application number: 96930549.0 (22) Date of filing: 13.08.1996

(51) International Patent Classification (IPC):  C07C 2/ 58( . ) (86) International application number: PCT/US1996/013468 (87) International publication number: WO 1997/020787 (12.06.1997 Gazette 1997/25)

(84) Designated Contracting States: BE DE ES FR GB IT NL (30) Priority: 22.11.1995 US 19950561642 (71) Applicant: MOBIL OIL CORPORATION Fairfax, Virginia 22037-0001 (US)	(72) Inventors: BUCHANAN, John, Scott Trenton, NJ 08619-1140 (US) HUANG, Tracy, Jau-Hua Lawrenceville, NJ 08648-1063 (US) (74) Representative: Kador & Partner  Corneliusstrasse 15 80469 München 80469 München (DE)