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EP 1 023 356 A1

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(43) Date of publication: 02.08.2000 Bulletin 2000/31 (21) Application number: 97944542.6 (22) Date of filing: 29.09.1997

(51) International Patent Classification (IPC)7: C08G 63/688, C07C 67/08, C07C 67/03, C07C 303/40, C08F 220/24, C08F 220/38, C08F 2/06, C08F 220/06, C08G 18/38, C08J 7/04, C08J 3/09 // (C07C69/54, 69:44, C07D295:02, C07C69:48) (86) International application number: PCT/US9717/458 (87) International publication number: WO 9916/809 (08.04.1999 Gazette 1999/14)

(84) Designated Contracting States: BE DE FR GB IT (71) Applicant: MINNESOTA MINING AND MANUFACTURING COMPANY St. Paul,Minnesota 55133-3427 (US)	(72) Inventors: DAMS, Rudolf, J. B-2070 Zwijndrecnt (BE) QIU, Zai-Ming Woodbury, MN 55125 (US) SMOLDERS, Robert, Remi, Louis B-2170 Merksem (BE) COPPENS, Dirk, M. B-9120 Melsek (BE) NAGASE, Makoto Tokyo 192-03 (JP) (74) Representative: Voortmans, Gilbert J.L. et al 3M Europe S.A.,Hermeslaan 7 1831 Diegem 1831 Diegem (BE)