(19)

(11)

EP 0 865 481 A1

(12)

(43) Date of publication: 23.09.1998 Bulletin 1998/39 (21) Application number: 96941467.0 (22) Date of filing: 26.11.1996

(51) International Patent Classification (IPC):  C11D 3/ 22( . ) C11D 3/ 382( . ) C11D 3/ 37( . ) C11D 17/ 00( . ) (86) International application number: PCT/US1996/018853 (87) International publication number: WO 1997/020029 (05.06.1997 Gazette 1997/24)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE (30) Priority: 01.12.1995 GB 19950024618 (71) Applicant: S.C. Johnson & Son, Inc. Racine, WI 53403-2236 (US)	(72) Inventors: CAMPBELL, Stuart, J. Walton-on-Thames Surrey KT12 1NJ (GB) FERRANDO, Jean-Christophe Hanworth Middlesex TW13 6RY (GB) (74) Representative: Jones, Alan John, et al  CARPMAELS & RANSFORD 43 Bloomsbury Square London, WC1A 2RA London, WC1A 2RA (GB)