(19)
(11) EP 4 069 755 A1

(12)

(43) Date of publication:
12.10.2022 Bulletin 2022/41

(21) Application number: 20821400.7

(22) Date of filing: 02.12.2020
(51) International Patent Classification (IPC): 
C08F 6/20(2006.01)
C08J 5/22(2006.01)
 C08F 6/24(2006.01)
(52) Cooperative Patent Classification (CPC):
C08J 2327/18; C08J 3/122; C08F 6/22; C08F 6/008; C08J 3/12; C08F 8/12; C08F 214/26
 
C-Sets:
  1. C08F 6/22, C08L 27/12;
  2. C08F 6/008, C08L 27/12;
  3. C08F 8/12, C08F 214/262;
  4. C08F 214/26, C08F 216/1475;
(86) International application number:
PCT/IB2020/061407
(87) International publication number:
WO 2021/111342 (10.06.2021 Gazette 2021/23)
(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: 02.12.2019 US 201962942574 P

(71) Applicant: 3M Innovative Properties Company
Saint Paul, Minnesota 55133-3427 (US)

(72) Inventors:
  • HINTZER, Klaus
    41453 Neuss (DE)
  • THALER, Arne
    41453 Neuss (DE)
  • STEININGER, Corina
    41453 Neuss (DE)
  • ZENTIS, Fee
    41453 Neuss (DE)
  • MUGGLI, Mark W.
    41453 Neuss (DE)
  • DUCHESNE, Denis
    Saint Paul, Minnesota 55133-3427 (US)
  • DAHLKE, Gregg D.
    Saint Paul, Minnesota 55133-3427 (US)
  • CHEN, Lisa P.
    Saint Paul, Minnesota 55133-3427 (US)

(74) Representative: Mathys & Squire 
Theatinerstraße 7
80333 München
80333 München (DE)

   


(54) DISPERSIBLE PARTICLES OF PERFLUOROSULFONIC ACID IONOMER