(19)

(11)

EP 0 929 628 A2

(12)

(43) Date of publication: 21.07.1999 Bulletin 1999/29 (21) Application number: 97945302.0 (22) Date of filing: 24.09.1997

(51) International Patent Classification (IPC):  C11D 3/ 00( . ) C11D 3/ 386( . ) C11D 3/ 37( . ) (86) International application number: PCT/US1997/017309 (87) International publication number: WO 1998/015607 (16.04.1998 Gazette 1998/15)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE (30) Priority: 07.10.1996 US 19960027899P (71) Applicant: THE PROCTER & GAMBLE COMPANY Cincinnati, Ohio 45202 (US)

(72) Inventors: KAHN, Jay, Ian Cincinnati, OH 45208 (US) PRAMOD, Kakumanu West Chester, OH 45069 (US) LEUPIN, Jennifer, Ann Cincinnati, OH 45249 (US) CONNOR, Daniel, Stedham Cincinnati, OH 45251 (US) YASUDA, Kinuko Ashiya, Hyogo (JP) PANANDIKER, Rajan, Keshav West Chester, OH 45069 (US) DE BUZZACCARINI, Francesco B-1050 Brussels (BE) KONG-CHAN, Josephine, Ling Cincinnati, OH 45249 (US) GOSSELINK, Eugene, Paul Cincinnati, OH 45251 (US) OHTANI, Ryohei Nishinomiya, Hyogo (JP) GHOSH, Chanchal, Kumar West Chester, OH 45069 (US) (74) Representative: Morelle, Evelyne Charlotte Isabelle, et al  BVBA Procter & Gamble Europe Sprl, Temselaan 100 1853 Strombeek-Bever 1853 Strombeek-Bever (BE)