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EP 3 877 583 A1

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(43) Date of publication: 15.09.2021 Bulletin 2021/37 (21) Application number: 19805516.2 (22) Date of filing: 06.11.2019

(51) International Patent Classification (IPC):  D06M 11/83(2006.01) C23C 18/18(2006.01) C25D 7/00(2006.01) C23C 18/16(2006.01) C23C 18/20(2006.01) (52) Cooperative Patent Classification (CPC): C23C 18/2006; C23C 18/1632; C25D 7/00; C23C 18/1844; C23C 18/2086; C23C 18/1653; D06M 13/325; D06M 11/50; D06M 11/83; D06M 10/025; D06M 11/61 (86) International application number: PCT/CZ2019/000053 (87) International publication number: WO 2020/094162 (14.05.2020 Gazette 2020/20)

(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: 06.11.2018 CZ 20180606 (71) Applicant: Bochemie A.S. 735 81 Bohumín (CZ)	(72) Inventor: VECERNIK, Josef 468 21 Bratrikov (CZ) (74) Representative: Krmencik, Vaclav et al Rott, Ruzicka, Guttmann a spol. Patent Trademark and Law Office Vyskocilova 1566 140 00 Praha 4 140 00 Praha 4 (CZ)