(19)
(11) EP 3 784 437 A1

(12)

(43) Date of publication:
03.03.2021 Bulletin 2021/09

(21) Application number: 19727080.4

(22) Date of filing: 17.04.2019
(51) International Patent Classification (IPC): 
B24D 11/00(2006.01)
(86) International application number:
PCT/IB2019/053180
(87) International publication number:
WO 2019/207423 (31.10.2019 Gazette 2019/44)
(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: 24.04.2018 US 201862661801 P

(71) Applicant: 3M Innovative Properties Company
St. Paul, MN 55133-3427 (US)

(72) Inventors:
  • ADEFRIS, Negus B.
    Saint Paul, MN 55133-3427 (US)
  • CULLER, Scott R.
    Saint Paul, MN 55133-3427 (US)
  • ECKEL, Joseph B.
    Saint Paul, MN 55133-3427 (US)
  • HAAS, John D.
    Saint Paul, MN 55133-3427 (US)
  • NELSON, Thomas J.
    Saint Paul, MN 55133-3427 (US)
  • NIENABER, Aaron K.
    Saint Paul, MN 55133-3427 (US)
  • KEIPERT, Steven J.
    Saint Paul, MN 55133-3427 (US)
  • JUSUF, Vincent
    Saint Paul, MN 55133-3427 (US)
  • SALMON, Fay T.
    Saint Paul, MN 55133-3427 (US)
  • XIA, Yuzhi
    Saint Paul, MN 55133-3427 (US)
  • WALD, MIchael J.
    Saint Paul, MN 55133-3427 (US)

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

   


(54) ABRASIVE ARTICLE WITH SHAPED ABRASIVE PARTICLES WITH PREDETERMINED RAKE ANGLES