(19)

(11)

EP 0 948 397 A1

(12)

(43) Date of publication: 13.10.1999 Bulletin 1999/41 (21) Application number: 97949004.0 (22) Date of filing: 16.12.1997

(51) International Patent Classification (IPC):  C08J 5/ 04( . ) B01J 13/ 04( . ) C08K 9/ 10( . ) C08L 5/ 00( . ) C08L 101/ 00( . ) B01J 13/ 02( . ) C08G 8/ 00( . ) C08L 1/ 26( . ) C08L 89/ 00( . ) (86) International application number: PCT/GB1997/003346 (87) International publication number: WO 1998/026865 (25.06.1998 Gazette 1998/25)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB IE IT LI NL PT SE (30) Priority: 17.12.1996 GB 19960026152 (71) Applicant: Chemcolloids Limited Bosley, Near Macclesfield SK11 0PE (GB)	(72) Inventors: QUINN, Dennis William Macclesfield, Cheshire SK11 7JJ (GB) THOMPSTONE, Alexander Martin Macclesfield, Cheshire SK10 1QS (GB) (74) Representative: Downey, William Gerrard, et al  Wilson, Gunn, M'Caw, 41-51 Royal Exchange, Cross Street Manchester M2 7BD Manchester M2 7BD (GB)