(19)
(11) EP 4 121 249 A1

(12)

(43) Date of publication:
25.01.2023 Bulletin 2023/04

(21) Application number: 21713142.4

(22) Date of filing: 15.03.2021
(51) International Patent Classification (IPC): 
B24D 3/00(2006.01)
B24D 18/00(2006.01)
(52) Cooperative Patent Classification (CPC):
B24D 3/002; B24D 18/0072
(86) International application number:
PCT/IB2021/052139
(87) International publication number:
WO 2021/186326 (23.09.2021 Gazette 2021/38)
(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: 18.03.2020 US 202062991097 P

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

(72) Inventors:
  • LI, Junting
    Saint Paul, Minnesota 55133-3427 (US)
  • LIU, Yuyang
    Saint Paul, Minnesota 55133-3427 (US)
  • DAVID, Moses M.
    Saint Paul, Minnesota 55133-3427 (US)
  • MARTINEZ, Jaime A.
    Saint Paul, Minnesota 55133-3427 (US)

(74) Representative: De Clercq & Partners 
Edgard Gevaertdreef 10a
9830 Sint-Martens-Latem
9830 Sint-Martens-Latem (BE)

   


(54) ABRASIVE ARTICLE