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(11)

EP 1 465 726 A1

(12)

(43) Date of publication: 13.10.2004 Bulletin 2004/42 (21) Application number: 02786244.0 (22) Date of filing: 13.12.2002

(51) International Patent Classification (IPC)7: B01J 31/24, B01J 31/18, B01J 31/22, C07F 15/00, C07D 239/00, C07F 9/06, C07F 9/6584, C07C 257/10, C07C 279/04, C07C 279/16, C07C 29/145, C07B 53/00 (86) International application number: PCT/NL2002/000825 (87) International publication number: WO 2003/061824 (31.07.2003 Gazette 2003/31)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR Designated Extension States: AL LT LV MK RO (30) Priority: 24.01.2002 US 57826 21.05.2002 US 153421 (71) Applicant: DSM IP Assets B.V. 6411 TE Heerlen (NL)	(72) Inventors: TUCKER, Charles, Edward Superior, CO 80027 (US) JIANG, Qiongzhong Sunnyvale, CA 94087 (US) (74) Representative: Hermans, Edith E.H. et al DSM Intellectual PropertyOffice GeleenP.O. Box 9 6160 MA Geleen 6160 MA Geleen (NL)