(19)

(11)

EP 0 853 526 A1

(12)

(43) Date of publication: 22.07.1998 Bulletin 1998/30 (21) Application number: 96930290.0 (22) Date of filing: 18.09.1996

(51) International Patent Classification (IPC):  C10M 173/ 00( . ) (86) International application number: PCT/GB1996/002284 (87) International publication number: WO 1997/012722 (10.04.1997 Gazette 1997/16)

(84) Designated Contracting States: DE ES FR IT SE (30) Priority: 03.10.1995 GB 19950020197 (71) Applicant: CRODA INTERNATIONAL plc Goole North Humberside DN14 9AA (GB)	(72) Inventors: LEEMAN, Timothy, James Selby, North Yorkshire YO8 9QU (GB) SCALES, Paul Doncaster, South Yorkshire DN2 5RA (GB) (74) Representative: Wain, Christopher Paul  A.A. THORNTON & CO. Northumberland House 303-306 High Holborn London WC1V 7LE London WC1V 7LE (GB)