Patent SG-11201901512R-A (SG)
Title: Lubricating oil compositions for electric vehicle powertrains
Inventor: Flores-Torres Samuel
IPC: C10M171/00
Filed: 2017-10-06
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 12 April 2018 (12.04.2018) WIP0 1 PCT omit VIII °nolo III 1101010111101011010IImo oimIE (10) International Publication Number WO 2018/067902 Al (51) International Patent Classification: Cl OM 171/00 (2006.01) Cl OM 169/04 (2006.01) (21) International Application Number: PCT/US2017/055485 (22) International Filing Date: 06 October 2017 (06.10.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/405,283 07 October 2016 (07.10.2016) US 15/725,704 05 October 2017 (05.10.2017) US (71) Applicant: EXXONMOBIL RESEARCH AND EN- GINEERING COMPANY [US/US]; 1545 Route 22 East, P.O. Box 900, Annandale, NJ 08801-0900 (US). (72) Inventors: FLORES-TORRES, Samuel; 37 Steeplechase Blvd., Burlington, NJ 08016 (US). HOLT, David, G.L.; 18 Saddler Drive, Medford, NJ 08055 (US). CAREY, James, T.; 1 Vemetta Lane, Medford, NJ 08055 (US). (74) Agent: MIGLIORINI, Robert, A. et al.; Exxonmobil Re- search and Engineering Company, 1545 Route 22 East, P.O. Box 900, Annandale, NJ 08801-0900 (US). = (81) Designated States (unless otherwise indicated, for every kind of national protection available): 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. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): 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). Declarations under Rule 4.17: as to applicant's entitlement to apply for and be granted a patent (Rule 4.17(ii)) as to the applicant's entitlement to claim the priority of the earlier application (Rule 4.17(iii)) Published: with international search report (Art. 21(3)) 1-1 N O t:T N O GC O 1-1 N C (54) Title: LUBRICATING OIL COMPOSITIONS FOR ELECTRIC VEHICLE POWERTRAINS (57) : This disclosure relates to a lubricating oil for an electric vehicle powertrain and powertrain components. The lubricating oil has a composition including a lubricating base oil as a major component, an additive package, as a minor component, and an effective amount of one or more conductivity agents, as a minor component. The lubricating oil has an electrical conductivity from about 10 pS/ m to about 20,000 pS/m, a dielectric constant of about 1.6 to about 3.6, with a ratio of electrical conductivity -to-dielectric constant from about 5 to about 10,000. This disclosure also relates to methods for producing a lubricating oil for an electric vehicle powertrain and powertrain components.