(19)

(11)

EP 0 861 212 A1

(12)

(43) Date of publication: 02.09.1998 Bulletin 1998/36 (21) Application number: 96938686.0 (22) Date of filing: 31.10.1996

(51) International Patent Classification (IPC):  B01D 21/ 01( . ) C08F 8/ 28( . ) C08F 20/ 34( . ) C02F 1/ 56( . ) C08F 8/ 44( . ) C08F 20/ 60( . ) (86) International application number: PCT/US1996/017440 (87) International publication number: WO 1997/018167 (22.05.1997 Gazette 1997/22)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 14.11.1995 US 19950006711P 14.11.1995 US 19950006712P 14.11.1995 US 19950006716P (71) Applicant: Cytec Technology Corp. Wilmington, Delaware 19801 (US)	(72) Inventors: CHEN, Haunn-Lin Darien, CT 06820 (US) FARINATO, Raymond Norwalk, CT 06851 (US) HAWKINS, Peter Northford, CT 06472 (US) (74) Representative: Allam, Peter Clerk, et al  LLOYD WISE, TREGEAR & CO., Commonwealth House, 1-19 New Oxford Street London WC1A 1LW London WC1A 1LW (GB)