(19)

(11)

EP 0 333 767 A1

(12)

(43) Date of publication: 27.09.1989 Bulletin 1989/39 (21) Application number: 88900319.0 (22) Date of filing: 07.12.1987

(51) International Patent Classification (IPC):  C07D 307/ 60( . ) B01J 8/ 24( . ) C07C 51/ 215( . ) B01J 8/ 18( . ) C07B 61/ 00( . ) (86) International application number: PCT/US1987/003194 (87) International publication number: WO 1988/004199 (16.06.1988 Gazette 1988/13)

(84) Designated Contracting States: DE FR GB IT NL (30) Priority: 10.12.1986 US 19860940248 (71) Applicant: Lummus Crest, Inc. Bloomfield New Jersey 07003 (US)	(72) Inventors: SUCIU, George, Dan Ridgewood, NJ 07540 (US) FELDMAN, Robert, Joseph Passaic, NJ 07055 (US) ARNOLD, Stephen, Craig Mountain Lakes, NJ 07046 (US) DUTTA, Subhash Melbourne, FL 32940 (US) (74) Representative: Gross, Gernot K. Rechtsanwalt  Kleiberweg 5 D-6200 Wiesbaden D-6200 Wiesbaden (DE)