WO 2020/074633 A1

Method for using alkanolamine in a grinder

(22) 10.10.2019

(43) 16.04.2020

(57) The present invention relates to a method for using a secondary or tertiary alkanolamine for grinding cement, comprising: – forming an inorganic acid salt of the alkanolamine; – adding the salified alkanolamine to a grinder.

(71) Chryso, 19 Place de la Resistance, 92440 Issy-les-Moulineaux (FR)

(84) ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG

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