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EP 3 052 676 A1

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(43) Date of publication: 10.08.2016 Bulletin 2016/32 (21) Application number: 14781425.5 (22) Date of filing: 26.09.2014

(51) International Patent Classification (IPC):  C25D 5/54(2006.01) C23C 16/26(2006.01) C23C 28/00(2006.01) H01L 23/373(2006.01) C25D 15/00(2006.01) C25D 3/56(2006.01) C25D 7/00(2006.01) (86) International application number: PCT/US2014/057816 (87) International publication number: WO 2015/048516 (02.04.2015 Gazette 2015/13)

(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 Designated Extension States: BA ME (30) Priority: 30.09.2013 US 201361884818 P (71) Applicant: Specialty Minerals (Michigan) Inc. Bingham Farms, Michigan 48025 (US)	(72) Inventors: LEMAK, Richard J. Allentown, Pennsylvania 18104 (US) MOSKAITIS, Robert J. Easton, Pennsylvania 18040 (US) (74) Representative: Uexküll & Stolberg  Partnerschaft von Patent- und Rechtsanwälten mbB Beselerstraße 4 22607 Hamburg 22607 Hamburg (DE)