(19)

(11)

EP 0 751 984 A1

(12)

(43) Date of publication: 08.01.1997 Bulletin 1997/02 (21) Application number: 95914707.0 (22) Date of filing: 09.03.1995

(51) International Patent Classification (IPC):  C12N 9/ 20( . ) C11D 3/ 386( . ) C11D 1/ 14( . ) C11D 1/ 29( . ) C11D 1/ 75( . ) C11D 3/ 12( . ) C12N 9/ 26( . ) C11D 1/ 22( . ) C11D 1/ 52( . ) C11D 3/ 39( . ) (86) International application number: PCT/US1995/003116 (87) International publication number: WO 1995/025784 (28.09.1995 Gazette 1995/41)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU NL PT SE (30) Priority: 19.03.1994 GB 19940005477 (71) Applicant: THE PROCTER & GAMBLE COMPANY Cincinnati, Ohio 45202 (US)	(72) Inventors: FOLEY, Peter, Robert Newcastle upon Tyne NE3 1RX (GB) JONES, Lynda, Anne Newcastle upon Tyne NE3 4HE (GB) (74) Representative: Engisch, Gautier, et al  Procter & Gamble European Technical Center N.V. Temselaan 100 1853 Strombeek-Bever 1853 Strombeek-Bever (BE)