(19)

(11)

EP 0 920 436 A1

(12)

(43) Date of publication: 09.06.1999 Bulletin 1999/23 (21) Application number: 98926102.0 (22) Date of filing: 28.05.1998

(51) International Patent Classification (IPC):  B01J 19/ 00( . ) C07F 19/ 00( . ) C07B 61/ 00( . ) (86) International application number: PCT/US1998/010863 (87) International publication number: WO 1998/056796 (17.12.1998 Gazette 1998/50)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 09.06.1997 US 19970048987P 22.07.1997 US 19970898715 12.12.1997 US 19970989739 19.02.1998 US 19980025841 (71) Applicant: SYMYX TECHNOLOGIES Santa Clara, CA 95051 (US)	(72) Inventors: BOUSSIE, Thomas Menlo Park, CA 94025 (US) HALL, Keith, A. San Jose, CA 95128 (US) LaPOINTE, Anne, M. Cupertino, CA 95014 (US) MURPHY, Vince Cupertino, CA 95014 (US) POWERS, Timothy San Francisco, CA 94117 (US) VAN BEEK, Johannes, A., M. Mountain View, CA 94043 (US) (74) Representative: Viering, Jentschura & Partner  Postfach 22 14 43 80504 München 80504 München (DE)