(19)

(11)

EP 0 779 917 A1

(12)

(43) Date of publication: 25.06.1997 Bulletin 1997/26 (21) Application number: 95933024.0 (22) Date of filing: 06.09.1995

(51) International Patent Classification (IPC):  C11D 3/ 08( . ) C11D 3/ 386( . ) (86) International application number: PCT/US1995/011105 (87) International publication number: WO 1996/007723 (14.03.1996 Gazette 1996/12)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU NL PT SE (30) Priority: 06.09.1994 GB 19940017906 08.03.1995 GB 19950004687 (71) Applicant: S.C. JOHNSON & SON, INC. Racine, WI 53403-5011 (US)	(72) Inventors: CALLAGHAN, Ian, C. Wokingham, Berkshire RG11 1JQ (GB) PALMER, Sandra, A. Ashford, Middlesex TW15 2AR (GB) (74) Representative: Jones, Alan John, et al  CARPMAELS & RANSFORD 43 Bloomsbury Square London, WC1A 2RA London, WC1A 2RA (GB)