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EP 3 990 198 A1

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(43) Date of publication: 04.05.2022 Bulletin 2022/18 (21) Application number: 19935216.2 (22) Date of filing: 28.06.2019

(51) International Patent Classification (IPC):  B09B 3/00(2022.01) C22B 3/02(2006.01) C23C 18/16(2006.01) B03B 9/06(2006.01) B65G 51/04(2006.01) C25C 3/00(2006.01) (52) Cooperative Patent Classification (CPC): B09B 3/00; C22B 3/02; C25C 7/00; C25F 7/00; B09B 5/00; C22B 7/006; C25D 11/005; C25D 13/22; Y02P 10/20; B09B 3/40 (86) International application number: PCT/FI2019/050514 (87) International publication number: WO 2020/260748 (30.12.2020 Gazette 2020/53)

(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: KH MA MD TN (71) Applicant: Iecorecycle Oy 00120 Helsinki (FI)	(72) Inventor: RINNE, Tero 65320 VAASA (FI) (74) Representative: Berggren Oy  P.O. Box 16 Eteläinen Rautatiekatu 10A 00101 Helsinki 00101 Helsinki (FI)