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(11)

EP 1 765 421 A1

(12)

(43) Date of publication: 28.03.2007 Bulletin 2007/13 (21) Application number: 05771315.8 (22) Date of filing: 11.07.2005

(51) International Patent Classification (IPC):  A61L 9/01(2006.01) G01N 31/22(2006.01) A61L 9/02(2006.01) (86) International application number: PCT/US2005/024729 (87) International publication number: WO 2006/017304 (16.02.2006 Gazette 2006/07)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 13.07.2004 US 587405 P (71) Applicant: The Procter and Gamble Company Cincinnati, Ohio 45202 (US)

(72) Inventors: CETTI, Jonathan, Robert Mason, Ohio 45040 (US) HOLTHOUSE, Ross, Howard Mason, Ohio 45040 (US) ALONSO, Mario Loveland, Ohio 45140 (US) LIU, Zaiyou West Chester, Ohio 45069 (US) TOLLENS, Fernando, Ray Cincinnati, Ohio 45140 (US) (74) Representative: Yorquez Ramirez, Maria Isabel  Patent Department Procter & Gamble Technical Centres Limited Whitley Road Longbenton Newcastle upon Tyne NE12 9TS Newcastle upon Tyne NE12 9TS (GB)