(19)

(11)

EP 0 901 516 A1

(12)

(43) Date of publication: 17.03.1999 Bulletin 1999/11 (21) Application number: 97921374.0 (22) Date of filing: 25.04.1997

(51) International Patent Classification (IPC):  C11D 3/ 00( . ) C11D 3/ 386( . ) C11D 3/ 37( . ) (86) International application number: PCT/US1997/006918 (87) International publication number: WO 1997/042286 (13.11.1997 Gazette 1997/49)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE (30) Priority: 03.05.1996 US 19960016525P (71) Applicant: THE PROCTER & GAMBLE COMPANY Cincinnati, Ohio 45202 (US)

(72) Inventors: GHOSH, Chanchal, Kumar West Chester, OH 45069 (US) PANANDIKER, Rajan, Keshav West Chester, OH 45069 (US) MANOHAR, Sanjeev, Krishnadas Fairfield, OH 45014 (US) WATSON, Randall, Alan Cincinnati, OH 45215 (US) GOSSELINK, Eugene, Paul Cincinnati, OH 45251 (US) (74) Representative: Engisch, Gautier, et al  BVBA Procter & Gamble Europe SPRL, Temselaan 100 1853 Strombeek-Bever 1853 Strombeek-Bever (BE)