WO 2025/054884 A1
Methods for production of precipitated calcium carbonate (pcc) and pcc product
(22) 14.09.2023
(43) 20.03.2025
(57) A method for making precipitated calcium carbonate (PCC) is provided. The process includes adding a PCC additive or PCC seed to the process prior to the carbonation of the slaked lime to form precipitate calcium carbonate.
(71) Specialty Minerals (Michigan) Inc. (US), Plymouth, Michigan 48170 (US)
(84) ARIPO (BW, CV, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SC. 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, Ff. FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, ME, 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).
