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1. (WO2007093446) ETHYLENE-PROPYLENE COPOLYMERS SUITABLE FOR THE MODIFICATION OF LUBRICATING OILS AND PROCESS FOR THE PREPARATION THEREOF
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2007/093446    International Application No.:    PCT/EP2007/001428
Publication Date: 23.08.2007 International Filing Date: 12.02.2007
IPC:
C10M 157/00 (2006.01), C10M 143/10 (2006.01), C10M 143/04 (2006.01), C10M 143/02 (2006.01), C10N 30/02 (2006.01)
Applicants: POLIMERI EUROPA S.P.A. [IT/IT]; Piazza Boldrini, 1, I-20097 San Donato Milanese-Milano (IT) (For All Designated States Except US).
TANAGLIA, Tiziano [IT/IT]; (IT) (For US Only)
Inventors: TANAGLIA, Tiziano; (IT)
Agent: DE GREGORI, Antonella; Barzano' & Zanardo Milano S.p.A., Via Borgonuovo, 10, I-20121 Milan (IT)
Priority Data:
MI2006A000286 16.02.2006 IT
Title (EN) ETHYLENE-PROPYLENE COPOLYMERS SUITABLE FOR THE MODIFICATION OF LUBRICATING OILS AND PROCESS FOR THE PREPARATION THEREOF
(FR) COPOLYMÈRES ÉTHYLÈNE-PROPYLÈNE ADAPTÉS À LA MODIFICATION D'HUILES LUBRIFIANTES ET PROCÉDÉ DE SYNTHÈSE DESDITS COPOLYMÈRES
Abstract: front page image
(EN)Process for the preparation of viscosity index improver (V.I.I.) additives of lubricating oils which comprises a mixing treatment under high shear conditions of a composition comprising: (i) one or more EP(D)M polymers (ii) one or more polyvinylarene/ conjugated hydrogenated polydiene/polyvinylarene block copolymers; and (iii) lubricating oil, (ii) being present in a concentration of 1.5 to 20% by weight whereas (iii) is present in a concentration ranging from 1.5 to 45% by weight.
(FR)La présente invention a pour objet un procédé d'élaboration d'additifs améliorant l'indice de viscosité (VII, viscosity index improver) des huiles lubrifiantes qui comprend un traitement sous agitation dans des conditions de cisaillement élevées d'une formule comprenant : (i) un ou plusieurs polymères EP(D)M (ii) un ou plusieurs copolymères bloc polyvinylarène/polydiène hydrogéné conjugué/polyvinylarène ; et (iii) une huile lubrifiante, (ii) étant présent à une concentration comprise entre 1,5 et 20 % en poids, tandis que (iii) est présent à une concentration comprise entre 1,5 et 45 % en poids.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LV, LY, MA, MD, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, SV, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)