(19)

(11)

EP 1 159 232 A1

(12)

(43) Date of publication: 05.12.2001 Bulletin 2001/49 (21) Application number: 00903850.6 (22) Date of filing: 18.02.2000

(51) International Patent Classification (IPC)7: C03C 17/32, C09D 5/00 (86) International application number: PCT/GB0000/534 (87) International publication number: WO 0050/354 (31.08.2000 Gazette 2000/35)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO (30) Priority: 23.02.1999 GB 9904122 14.05.1999 GB 9911344 (71) Applicant: Ineos Acrylics (Newton Aycliffe) Limited Durham DL5 6YE (GB)	(72) Inventor: MCDONALD, David, John HeighingtonCounty Durham DL5 6RP (GB) (74) Representative: Walsh, David Patrick et al Appleyard Lees,15 Clare Road Halifax HX1 2HY Halifax HX1 2HY (GB)