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EP 2 120 849 A1

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(43) Date of publication: 25.11.2009 Bulletin 2009/48 (21) Application number: 07750227.6 (22) Date of filing: 08.02.2007

(51) International Patent Classification (IPC):  A61K 8/26(2006.01) A61K 8/02(2006.01) A61Q 17/04(2006.01) A61K 8/97(2006.01) A61K 8/81(2006.01) (86) International application number: PCT/US2007/003372 (87) International publication number: WO 2008/097223 (14.08.2008 Gazette 2008/33)

(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 (71) Applicant: Amcol International Corporation Arlington Heights IL 60004 (US)	(72) Inventors: SENGUPTA, Ashoke, K. Barrington, IL 60010 (US) CURETON, Kevin Evanston, IL 60202 (US) LIN, Ilona Wauconda, IL 60084 (US) BEIHOFFER, Thomas, W. Arlington Heights, IL 60005 (US) (74) Representative: Albrecht, Thomas  Kraus & Weisert Patent- und Rechtsanwälte Thomas-Wimmer-Ring 15 D-80539 München D-80539 München (DE)