(19)

(11)

EP 0 906 385 A1

(12)

(43) Date of publication: 07.04.1999 Bulletin 1999/14 (21) Application number: 97926620.0 (22) Date of filing: 16.05.1997

(51) International Patent Classification (IPC):  C11D 1/ 62( . ) C11D 1/ 65( . ) C11D 3/ 02( . ) C11D 3/ 12( . ) C11D 3/ 37( . ) C11D 3/ 39( . ) C11D 17/ 06( . ) C11D 1/ 02( . ) C11D 1/ 22( . ) C11D 1/ 40( . ) C11D 1/ 645( . ) C11D 3/ 00( . ) C11D 3/ 10( . ) C11D 3/ 20( . ) C11D 3/ 386( . ) C11D 3/ 50( . ) D06M 13/ 00( . ) C11D 1/ 14( . ) C11D 1/ 29( . ) C11D 1/ 44( . ) (86) International application number: PCT/US1997/008544 (87) International publication number: WO 1997/043366 (20.11.1997 Gazette 1997/50)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE (30) Priority: 17.05.1996 US 19960017884P 17.05.1996 US 19960017883P 17.05.1996 US 19960017886P 31.07.1996 GB 19960016076 20.03.1997 GB 19970005824 (71) Applicant: THE PROCTER & GAMBLE COMPANY Cincinnati, Ohio 45202 (US)	(72) Inventors: ASKEW, Stuart, Clive Newcastle upon Tyne NE2 3DN (GB) SORRIE, Graham, Alexander Morpeth, Northumberland NE61 3SH (GB) (74) Representative: Peet, Jillian Wendy, et al  Procter & Gamble Technical Centres Limited, Whitley Road, Longbenton Newcastle upon Tyne NE12 9TS Newcastle upon Tyne NE12 9TS (GB)