(19)
(11) EP 3 826 764 A1

(12)

(43) Date of publication:
02.06.2021 Bulletin 2021/22

(21) Application number: 19739301.0

(22) Date of filing: 17.07.2019
(51) International Patent Classification (IPC): 
B01J 20/04(2006.01)
B01J 20/30(2006.01)
C02F 1/28(2006.01)
C02F 103/10(2006.01)
C02F 103/14(2006.01)
C02F 103/32(2006.01)
 B01J 20/28(2006.01)
B01J 20/32(2006.01)
C02F 1/68(2006.01)
C02F 103/22(2006.01)
C02F 103/28(2006.01)
(86) International application number:
PCT/EP2019/069201
(87) International publication number:
WO 2020/020715 (30.01.2020 Gazette 2020/05)
(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

(30) Priority: 24.07.2018 EP 18185358

(71) Applicant: Omya International AG
4665 Oftringen (CH)

(72) Inventors:
  • FTOUNI, Jamal
    4800 Zofingen (CH)
  • KELLER, Tobias
    5043 Holziken (CH)

(74) Representative: Maiwald Patent- und Rechtsanwaltsgesellschaft mbH 
Elisenhof Elisenstraße 3
80335 München
80335 München (DE)

   


(54) HEAVY METAL REMOVAL USING MINERALS BEING FUNCTIONALIZED WITH THIOLS