(19)

(11)

EP 2 491 167 A2

(12)

(43) Date of publication: 29.08.2012 Bulletin 2012/35 (21) Application number: 10773461.8 (22) Date of filing: 19.10.2010

(51) International Patent Classification (IPC):  C25D 5/18(2006.01) (86) International application number: PCT/US2010/053138 (87) International publication number: WO 2011/049915 (28.04.2011 Gazette 2011/17)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 19.10.2009 US 581483 (71) Applicant: Biomet Manufacturing Corp. Warsaw, IN 46582 (US)	(72) Inventors: GUPTA, Gautam Warsaw Indiana 46582 (US) SEWING, Andreas 12163 Berlin (DE) (74) Representative: Sokolowski, Fabian et al Patentanwälte Maikowski & Ninnemann Postfach 15 09 20 10671 Berlin 10671 Berlin (DE)