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(11)

EP 2 049 041 A1

(12)

(43) Date of publication: 22.04.2009 Bulletin 2009/17 (21) Application number: 06761275.4 (22) Date of filing: 10.08.2006

(51) International Patent Classification (IPC):  A61F 2/10(2006.01) C08G 18/69(2006.01) C08L 75/06(2006.01) A61K 9/00(2006.01) A61L 27/60(2006.01) C08L 75/04(2006.01) C08L 75/08(2006.01) (86) International application number: PCT/CH2006/000424 (87) International publication number: WO 2008/017170 (14.02.2008 Gazette 2008/07)

(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 Designated Extension States: AL BA HR MK RS (71) Applicant: AO Technology AG 7002 Chur (CH)	(72) Inventor: GOGOLEWSKI, Sylwester CH-7270 Davos (CH) (74) Representative: Lusuardi, Werther  Dr. Lusuardi AG Kreuzbühlstrasse 8 8008 Zürich 8008 Zürich (CH)