(19)

(11)

EP 0 918 836 A1

(12)

(43) Date of publication: 02.06.1999 Bulletin 1999/22 (21) Application number: 97921386.0 (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/US1997/006989 (87) International publication number: WO 1997/042287 (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 03.05.1996 US 19960016527P 03.05.1996 US 19960017062P 03.05.1996 US 19960017059P 03.05.1996 US 19960017060P 03.05.1996 US 19960016526P 03.05.1996 US 19960016531P 03.05.1996 US 19960016528P 07.10.1996 US 19960027902P 07.10.1996 US 19960027899P (71) Applicant: THE PROCTER & GAMBLE COMPANY Cincinnati, Ohio 45202 (US)

(72) Inventors: PRAMOD, Kakumanu West Chester, OH 45069 (US) PANANDIKER, Rajan, Keshav West Chester, OH 45069 (US) GHOSH, Chanchal, Kumar West Chester, OH 45069 (US) WATSON, Randall, Alan Cincinnati, OH 45215 (US) KONG-CHAN, Josephine, Ling Cincinnati, OH 45249 (US) DE BUZZACCARINI, Franceso B-1050 Brussels (BE) (74) Representative: Engisch, Gautier, et al  BVBA Procter & Gamble Europe SPRL, Temselaan 100 1853 Strombeek-Bever 1853 Strombeek-Bever (BE)