(19)

(11)

EP 1 855 637 A2

(12)

(88) Date of publication A3: 11.01.2007 (43) Date of publication: 21.11.2007 Bulletin 2007/47 (21) Application number: 06719788.9 (22) Date of filing: 27.01.2006

(51) International Patent Classification (IPC):  A61K 6/00(2006.01) A61K 8/02(2006.01) A61K 9/00(2006.01) (86) International application number: PCT/US2006/003086 (87) International publication number: WO 2006/081496 (03.08.2006 Gazette 2006/31)

(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: 27.01.2005 US 44383 (71) Applicant: Nalco Company Naperville, IL 60563-1198 (US)	(72) Inventors: BRANDT, Loralei St. Charles, Illinois 60175 (US) CRAMM, Jeffrey Batavia, Illinois 60510 (US) PATEL, Damyanti Hoffman Estates, Illinois 60194 (US) HESSEFORT, Yin, Z. Naperville, Illinois 60565 (US) CARLSON, Wayne, M. Batavia, Illinois 60510 (US) (74) Representative: Maggs, Michael Norman et al Kilburn & Strode 20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)