(19)
(11) EP 3 735 337 A2

(12)

(88) Date of publication A3:
22.08.2019

(43) Date of publication:
11.11.2020 Bulletin 2020/46

(21) Application number: 19704446.4

(22) Date of filing: 02.01.2019
(51) International Patent Classification (IPC): 
B24D 11/02(2006.01)
B24D 3/00(2006.01)
(86) International application number:
PCT/IB2019/050029
(87) International publication number:
WO 2019/135180 (11.07.2019 Gazette 2019/28)
(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: 05.01.2018 JP 2018000661

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

(72) Inventors:
  • NAKAMURA, Yoko
    Tokyo 141--8684 (JP)
  • TASAKA, Yoshihiko
    Tokyo 141--8684 (JP)
  • NAGAFUCHI, Naohiro
    Tokyo 141--8684 (JP)

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

   


(54) POLISHING SHEET AND POLISHING METHOD