(19)

(11)

EP 1 019 470 A1

(12)

(43) Date of publication: 19.07.2000 Bulletin 2000/29 (21) Application number: 97931537.1 (22) Date of filing: 02.07.1997

(51) International Patent Classification (IPC)7: C11D 1/72, C11D 3/37, C11D 3/43, C11D 1/94 (86) International application number: PCT/US9711/591 (87) International publication number: WO 9800/495 (08.01.1998 Gazette 1998/01)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE (30) Priority: 03.07.1996 GB 9613968 (71) Applicant: THE PROCTER & GAMBLE COMPANY Cincinnati,Ohio 45202 (US)	(72) Inventors: BROOKS, Alan Slough SL3 0LJ (GB) DU REAU, Charles, Marie, Alain London W4 3EY (GB) (74) Representative: Woof, Victoria et al Procter & Gamble(Health & Beauty Care) Limited,Lovett House,Lovett Road Staines, Middlesex TW18 3AZ Staines, Middlesex TW18 3AZ (GB)