Patent SG-11201900161W-A (SG)
Title: Lubricating engine oil for improved wear protection and fuel efficiency
Inventor: ALESSI MICHAEL
IPC: C10M149/06
Filed: 2017-08-03
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property MD 1101111 0 DOI HIM RH 1 0 1011010111 RUH OE 11110 ill OEN Organization 0 International Bureau (10) International Publication Number (43) International Publication Date ......0\" WO 2018/026982 Al 08 February 2018 (08.02.2018) W I P0 I P C T (51) International Patent Classification: (72) Inventors: ALESSI, Michael, L.; 509 West Brookhaven Cl OM 133/56 (2006.01) Cl OM 149/06 (2006.01) Road, Rose Valley, PA 19086 (US). JETTER, Steven, M.; (21) International Application Number: 245 Hickory Corner Road, Hightstown, NJ 08520 (US). PCT/US2017/045207 KENNEDY, Steven; 1438 Grand Oak Lane, West Chester, PA 19380 (US). PARKER, Sarah, E.; 2601 Pennsylvania (22) International Filing Date: Avenue, Unit 841, Philadelphia, PA 19130 (US). DU, Van, 03 August 2017 (03.08.2017) An; Hagenau 32, 22089 Hamburg (DE). (25) Filing Language: English (74) Agent: MIGLIORINI, Robert, A. et al.; ExxonMobil Re- (26) Publication Language: English search and Engineering Company, 1545 Route 22 East P.O. Box 900, Annandale, NJ 08801-0900 (US). (30) Priority Data: (81) Designated States (unless otherwise indicated, for every 62/370,371 03 August 2016 (03.08.2016) US kind of national protection available): AE, AG, AL, AM, 15/667,066 02 August 2017 (02.08.2017) US AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, (71) Applicant: EXXONMOBIL RESEARCH AND EN- CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, GINEERING COMPANY [US/US]; 1545 Route 22 East, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, P.O. Box 900, Annandale, NJ 08801-0900 (US). 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, (54) Title: LUBRICATING ENGINE OIL FOR IMPROVED WEAR PROTECTION AND FUEL EFFICIENCY FIGURE 3 = 74 • Forrevaisean E A Formulation E 6.6 6.4 A 6.2 0 2000000 4000000 6006006 8000000 100000613 ',, Measured Stupor (1/s) 11 (57) : Provided are lubricating engine oils including a lubricating oil base stock as a major component having a base oil el viscosity at 100 deg. C ranging from 4.5 to 7.5 cSt, and a carboxylic functionalized polymer dispersant with aromatic amine functionality, GC O N as a minor component, wherein the lubricating engine oils have a cold crank simulator viscosity at -30 deg. C of less than 8500 mPa.s. ,1,: The lubricating engine oils may provide improved engine wear protection at equivalent fuel efficiency or improved fuel efficiency at 0 el equivalent engine wear protection compared to a lubricating engine oil containing a dispersant as a minor component other than the --.... carboxylic functionalized polymer with aromatic amine functionality. Methods of making the lubricating engine oil are also provided. GC The lubricating engine oils are useful in internal combustion engines including direct injection, gasoline and diesel engines. 1-1 0 N O [Continued on next page] WO 2018/026982 Al IMEDIMOM0101011MOHIONEE11EIHEIHIMEMOIMIE 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(11)) — 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))