(19)

(11)

EP 0 660 666 A1

(12)

(43) Date of publication: 05.07.1995 Bulletin 1995/27 (21) Application number: 94910253.0 (22) Date of filing: 26.08.1993

(51) International Patent Classification (IPC):  A01N 37/ 02( . ) A01N 59/ 00( . ) A23B 7/ 157( . ) A23L 3/ 358( . ) A01N 37/ 16( . ) A23B 7/ 10( . ) A23L 3/ 3508( . ) C07C 409/ 00( . ) (86) International application number: PCT/GB1993/001823 (87) International publication number: WO 1994/006294 (31.03.1994 Gazette 1994/08)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI NL PT SE (30) Priority: 15.09.1992 GB 19920019465 (71) Applicant: SOLVAY INTEROX LIMITED Warrington, Cheshire WA4 6HB (GB)	(72) Inventors: WRIGHT, Christopher, Thomas 78 Coppice Green Warrington Cheshire WA5 5WA (GB) DAVIES, Sandra, Joyce 24 Cheryl Drive Cheshire WA8 0BQ (GB) (74) Representative: Pearce, Timothy, et al  Solvay Interox Limited Patent Department P.O. Box 51 Moorfield Road Widnes Cheshire WA8 0FE Widnes Cheshire WA8 0FE (GB)