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(11)

EP 2 964 806 A1

(12)

(43) Date of publication: 13.01.2016 Bulletin 2016/02 (21) Application number: 14713638.6 (22) Date of filing: 28.02.2014

(51) International Patent Classification (IPC):  C23C 22/86(2006.01) C23C 22/34(2006.01) C23C 22/36(2006.01) (86) International application number: PCT/US2014/019348 (87) International publication number: WO 2014/137796 (12.09.2014 Gazette 2014/37)

(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: 06.03.2013 US 201313786914 (71) Applicant: PPG Industries Ohio, Inc. Cleveland, OH 44111 (US)	(72) Inventors: VARGAS, Richard M. Mayfield Villiage, Ohio 44143 (US) McINTYRE, John F. Bay Village, Ohio 44140 (US) (74) Representative: f & e patent  Fleischer, Engels & Partner mbB, Patentanwälte Braunsberger Feld 29 51429 Bergisch Gladbach 51429 Bergisch Gladbach (DE)