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1. (WO2018055077) METHOD FOR MANUFACTURING BISMUTH BASED PIGMENT HAVING AN IMPROVED ALKALINE RESISTANCE BY ENCAPSULATING SAID PIGMENT WITH A CHELATING AGENT
Latest bibliographic data on file with the International Bureau    Submit observation

Pub. No.:    WO/2018/055077    International Application No.:    PCT/EP2017/074004
Publication Date: 29.03.2018 International Filing Date: 22.09.2017
IPC:
C09C 1/00 (2006.01), C09D 5/02 (2006.01), C09C 3/08 (2006.01), C09C 3/10 (2006.01), C09C 3/12 (2006.01)
Applicants: CAPPELLE PIGMENTS NV [BE/BE]; Kortrijkstraat 153 8930 Menen (BE)
Inventors: ACAR, Zeki; (BE).
DEVREUX, Vincent; (BE).
VERSPAILLE, Greta; (BE).
D'HAEVELOOSE, Jurgen; (BE).
CLABAUX, Emmanuelle; (BE)
Agent: BIIP CVBA; Culliganlaan 1B 1831 Diegem (BE)
Priority Data:
16190051.9 22.09.2016 EP
Title (EN) METHOD FOR MANUFACTURING BISMUTH BASED PIGMENT HAVING AN IMPROVED ALKALINE RESISTANCE BY ENCAPSULATING SAID PIGMENT WITH A CHELATING AGENT
(FR) PROCÉDÉ DE FABRICATION D'UN PIGMENT À BASE DE BISMUTH AYANT UNE RÉSISTANCE ALCALINE AMÉLIORÉE PAR ENCAPSULATION DUDIT PIGMENT À L'AIDE D'UN AGENT CHÉLATEUR
Abstract: front page image
(EN)The present invention is directed to a method for manufacturing a bismuth based pigment having an improved alkaline resistance, the method comprising: i) obtaining a dried bismuth based pigment; ii) encapsulation of the bismuth based pigment using a chelating agent; iii) final processing of the encapsulated pigment; and v) drying of the pigment. In addition, the present invention is directed to a bismuth based pigment encapsulated by a layer of chelating agent.
(FR)La présente invention concerne un procédé de fabrication d'un pigment à base de bismuth ayant une résistance alcaline améliorée, le procédé comprenant : i) l'obtention d'un pigment à base de bismuth séché ; ii) l'encapsulation du pigment à base de bismuth à l'aide d'un agent chélateur ; iii) le traitement final du pigment encapsulé ; et v) le séchage du pigment. Un pigment à base de bismuth encapsulé par une couche d'agent chélateur est en outre décrit.
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 (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (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)