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1. (WO2018202756) PRECIPITATED SILICA AND PROCESS FOR ITS MANUFACTURE
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Pub. No.: WO/2018/202756 International Application No.: PCT/EP2018/061310
Publication Date: 08.11.2018 International Filing Date: 03.05.2018
IPC:
C01B 33/193 (2006.01)
C CHEMISTRY; METALLURGY
01
INORGANIC CHEMISTRY
B
NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
33
Silicon; Compounds thereof
113
Silicon oxides; Hydrates thereof
12
Silica; Hydrates thereof, e.g. lepidoic silicic acid
18
Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
187
by acidic treatment of silicates
193
of aqueous solutions of silicates
Applicants:
RHODIA OPERATIONS [FR/FR]; 25 rue de Clichy 75009 Paris, FR
Inventors:
ALLAIN NAJMAN, Emmanuelle; FR
FERAL-MARTIN, Cédric; FR
GARBEY, Pascaline; FR
GUY, Laurent; FR
NEVEU, Sylvaine; FR
FAYOLLE, Caroline; FR
Agent:
FERRI, Isabella; IT
Priority Data:
17305512.005.05.2017EP
Title (EN) PRECIPITATED SILICA AND PROCESS FOR ITS MANUFACTURE
(FR) SILICE PRÉCIPITÉE ET PROCÉDÉ POUR SA FABRICATION
Abstract:
(EN) A precipitated silica characterised by the presence of specific acid sites on its surface and a process for its manufacture.
(FR) L'invention concerne une silice précipitée caractérisée par la présence de sites acides spécifiques sur sa surface et un procédé pour sa fabrication.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (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)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)