(19)

(11)

EP 0 815 051 A1

(12)

(43) Date of publication: 07.01.1998 Bulletin 1998/02 (21) Application number: 96908584.0 (22) Date of filing: 01.03.1996

(51) International Patent Classification (IPC):  C11B 9/ 00( . ) C11D 3/ 395( . ) C11D 3/ 39( . ) C11D 3/ 50( . ) (86) International application number: PCT/US1996/002768 (87) International publication number: WO 1996/029281 (26.09.1996 Gazette 1996/43)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU NL PT SE (30) Priority: 18.03.1995 GB 19950005518 (71) Applicant: THE PROCTER & GAMBLE COMPANY Cincinnati, Ohio 45202 (US)	(72) Inventors: MCRITCHIE, Allan, Campbell Tyne & Wear NE26 1SY (GB) GREEN, Michael Newcastle upon Tyne NE5 4SX (GB) (74) Representative: Mather, Peter Geoffrey, et al  BVBA Procter & Gamble Europe SPRL, Temselaan 100 1853 Strombeek-Bever 1853 Strombeek-Bever (BE)