(19)

(11)

EP 0 746 201 A1

(12)

(43) Date of publication: 11.12.1996 Bulletin 1996/50 (21) Application number: 95909031.0 (22) Date of filing: 22.02.1995

(51) International Patent Classification (IPC):  B01F 17/ 42( . ) A01N 25/ 30( . ) B01F 17/ 44( . ) C10M 173/ 00( . ) A01N 25/ 02( . ) B01F 17/ 00( . ) C10M 129/ 74( . ) C10N 40/ 20( . ) (86) International application number: PCT/GB1995/000370 (87) International publication number: WO 1995/022897 (31.08.1995 Gazette 1995/37)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 24.02.1994 GB 19940003469 24.02.1994 GB 19940003522 (71) Applicant: IMPERIAL CHEMICAL INDUSTRIES PLC London SW1P 3JF (GB)	(72) Inventors: HOORNE, Dirk B-2800 Mechelan (BE) ROGIERS, Lodewijk, Maria B-2991 Haacht (BE) (74) Representative: Roberts, Jonathan Winstanley, et al  Intellectual Property Department ICI Chemicals & Polymers Ltd P.O. Box 11 The Heath Runcorn Cheshire WA7 4QE Runcorn Cheshire WA7 4QE (GB)