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EP 3 504 265 A1

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(43) Date of publication: 03.07.2019 Bulletin 2019/27 (21) Application number: 16915353.3 (22) Date of filing: 29.08.2016

(51) International Patent Classification (IPC):  C08L 7/00(2006.01) C08L 9/00(2006.01) C08J 3/24(2006.01) C08K 5/5415(2006.01) C08K 5/00(2006.01) C08L 15/00(2006.01) C08K 3/06(2006.01) C08K 3/36(2006.01) C08K 5/04(2006.01) B02C 17/22(2006.01) (86) International application number: PCT/US2016/049317 (87) International publication number: WO 2018/044264 (08.03.2018 Gazette 2018/10)

(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: MA MD (71) Applicant: Weir Slurry Group Inc. Madison, WI 53716 (US)	(72) Inventors: GOZALO, Francisco A. Sandy, Utah 84094 (US) CLARK, Sanford W. Salt Lake City, Utah 84109 (US) LANE, Timothy Madison, Wisconsin 53716 (US) MENG, Tham Madison, Wisconsin 53716 (US) (74) Representative: Appleyard Lees IP LLP  15 Clare Road Halifax HX1 2HY Halifax HX1 2HY (GB)