Patent SG-11201906193X-A (SG)
Title: Lubricating engine oil and method for improving engine fuel efficiency
Inventor: DECKMAN DOUGLAS
IPC: C10N30/00
Filed: 2017-12-29
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 09 August 2018 (09.08.2018) WIPO I PCT o °nolo Homo mum Kuno oimIE (10) International Publication Number WO 2018/144166 Al (51) International Patent Classification: C/0M 161/00 (2006.01) CI ON 30/06 (2006.01) C/0M 169/04 (2006.01) CI ON 30/08 (2006.01) ClON 30/00 (2006.01) ClON 40/25 (2006.01) (21) International Application Number: PCT/US2017/068855 (22) International Filing Date: 29 December 2017 (29.12.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 15/421,707 01 February 2017 (01.02.2017) US (71) Applicant: EXXONMOBIL RESEARCH AND EN- GINEERING COMPANY [US/US]; 1545 Route 22 East, PO Box 900, Anandale, NJ 08801-0900 (US). (72) Inventors: DECKMAN, Douglas, E.; 5 Peachtree Lane, Mullica Hill, NJ 08062 (US). GAAL, Dennis, A.; 437 Azure Lane, Glassboro, NJ 08028 (US). HERZ, Erik; 71 East Evangeline Oaks Circle, Conroe, TX 77384 (US). PA- TEL, Mrugesh, N.; 1615 Sawdust Road, Apt. 12187, The Woodlands, TX 77380 (US). (74) Agent: MIGLIORINI, Robert, A. et al.; ExxonMobil Re- search and Engineering Company, 1545 Route 22 East, P.O. Box 900, Anandale, 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)) (54) Title: LUBRICATING ENGINE OIL AND METHOD FOR IMPROVING ENGINE FUEL EFFICIENCY (57) : A method for improving fuel efficiency and reducing frictional properties while maintaining or improving deposit control, in an engine lubricated with a lubricating oil by using as the lubricating oil a formulated oil. The formulated oil has a composition including from 75 to 95 wt% of lubricating oil base stock including a Group I base stock or a combination of a Group III, Group IV and Group V base stock including from 30 to 35 wt% Group III, 45 to 55 wt% Group IV and 0 to 5 wt% Group V and a friction modifier mixture comprising a polymeric ethoxylated fatty acid ester at from 0.1 to 1.0 wt.% and a mixed glyceride ester at from 0.1 to 1.0 wt.% of the formulated oil. The lubricating engine oils are useful in internal combustion engines including direct injection, gasoline and diesel engines.