(19)

(11)

EP 3 452 636 A1

(12)

(43) Date of publication: 13.03.2019 Bulletin 2019/11 (21) Application number: 17720825.3 (22) Date of filing: 04.05.2017

(51) International Patent Classification (IPC):  C23G 1/36(2006.01) C01B 7/03(2006.01) C01G 49/06(2006.01) (86) International application number: PCT/EP2017/060698 (87) International publication number: WO 2017/191279 (09.11.2017 Gazette 2017/45)

(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: 04.05.2016 EP 16168382 (71) Applicant: CMI UVK GmbH 56410 Montabaur (DE)	(72) Inventor: KONLECHNER, David 1020 Vienna (AT) (74) Representative: Schwöbel, Thilo K. et al Kutzenberger Wolff & Partner Waidmarkt 11 50676 Köln 50676 Köln (DE)