(19)

(11)

EP 0 863 701 A1

(12)

(43) Date of publication: 16.09.1998 Bulletin 1998/38 (21) Application number: 96928515.0 (22) Date of filing: 19.08.1996

(51) International Patent Classification (IPC):  A01N 25/ 24( . ) C11D 3/ 48( . ) D06M 15/ 53( . ) C11D 3/ 37( . ) D06M 15/ 507( . ) D06M 16/ 00( . ) (86) International application number: PCT/GB1996/002025 (87) International publication number: WO 1997/006675 (27.02.1997 Gazette 1997/10)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 18.08.1995 GB 19950016966 (71) Applicant: Rhodia Limited Watford, Hertfordshire WD1 1QH (GB)	(72) Inventors: DAVIS, Brian Doncaster DN5 7QH (GB) JORDAN, Peter Leeds LS12 4XF (GB) (74) Representative: Ellis-Jones, Patrick George Armine, et al  J.A. KEMP & CO. 14 South Square Gray's Inn London WC1R 5LX London WC1R 5LX (GB)