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EP 3 430 184 A1

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(43) Date of publication: 23.01.2019 Bulletin 2019/04 (21) Application number: 17708832.5 (22) Date of filing: 09.03.2017

(51) International Patent Classification (IPC):  C25D 5/10(2006.01) C23C 18/20(2006.01) C23C 18/34(2006.01) C23C 18/16(2006.01) C23C 18/30(2006.01) C25D 5/14(2006.01) (86) International application number: PCT/EP2017/055511 (87) International publication number: WO 2017/157749 (21.09.2017 Gazette 2017/38)

(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 Designated Validation States: MA MD (30) Priority: 17.03.2016 US 201662309749 P 14.07.2016 EP 16179438 (71) Applicant: Solvay Specialty Polymers USA, LLC. Alpharetta, GA 30005-3914 (US)	(72) Inventors: APOSTOLO, Marco 20030 Senago (MI) (IT) HARKNESS, Gregory Milton GA 30004 (US) MAURI, Stefano 20833 Giussano (MB) (IT) ORIANI, Andrea, Vittorio 20091 Bresso (MI) (IT) (74) Representative: Fiorucci, Hélène  Solvay S.A. Rue de Ransbeek, 310 1120 Bruxelles 1120 Bruxelles (BE)