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EP 3 600 769 A1

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(43) Date of publication: 05.02.2020 Bulletin 2020/06 (21) Application number: 18776324.8 (22) Date of filing: 29.03.2018

(51) International Patent Classification (IPC):  B24D 3/10(2006.01) C09K 3/14(2006.01) B24D 18/00(2006.01) (86) International application number: PCT/US2018/025236 (87) International publication number: WO 2018/183736 (04.10.2018 Gazette 2018/40)

(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: 29.03.2017 US 201762478253 P 27.06.2017 US 201762525261 P (71) Applicants: Saint-Gobain Abrasives, Inc. Worcester, MA 01615 (US) Saint-Gobain Abrasifs 78700 Conflans-Sainte-Honorine (FR)

(72) Inventors: LI, Jiashu Worcester Massachusetts 01609 (US) MCNEAL, Kelley Northborough Massachusetts 01532 (US) RAMANATH, Srinivasan Holden Massachusetts 01520 (US) MEJEAN, Cecile O. Acton Massachusetts 01720 (US) WANG, Ji Hongkou District 200434 (CN) (74) Representative: Zimmermann & Partner Patentanwälte mbB  Postfach 330 920 80069 München 80069 München (DE)