Patent SG-11201809691Q-A (SG)
Title: Synergistic lubricating oil composition containing mixture of antioxidants
Inventor: QIAN XUELEI LILY
IPC: C10N40/25
Filed: 2017-03-16
Abstract: WO 18/0 13 18 1 Al (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 18 January 2018 (18.01.2018) WIPO I PCT omit °nolo oluill oil OHIIIIIHI111110D0IIIIII (10) International Publication Number WO 2018/013181 Al (I) (51) International Patent Classification: ClOM 141/12 (2006.01) ClON 30/04 (2006.01) C/0M 163/00 (2006.01) ClON 30/10 (2006.01) ClON 10/12 (2006.01) ClON 40/25 (2006.01) (21) International Application Number: PCT/US2017/022707 (22) International Filing Date: 16 March 2017 (16.03.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 15/209,272 13 July 2016 (13.07.2016) US (71) Applicant: CHEVRON ORONITE COMPANY LLC [US/US]; 6001 Bollinger Canyon Road, San Ramon, Cali- fornia 94583 (US). (72) Inventor: QIAN, Xuelei Lily; 6001 Bollinger Canyon Road, San Ramon, California 94583 (US). (74) Agent: VIRASSAMMY, Carlton et al.; Chevron Corpo- ration, Law Department, Post Office Box 6006, San Ramon, California 94583-0806 (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, 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: SYNERGISTIC LUBRICATING OIL COMPOSITION CONTAINING MIXTURE OF ANTIOXIDANTS (57) : Disclosed is a lubricating oil composition comprising an oil of lubricating viscosity and an oil soluble synergistic mixture of antioxidants, said mixture comprising: a) R 1 R 1 ( R3 ) n R 2 , N H a hindered amine antioxidant according to formula (I), wherein each R 1 is independently N N selected from a substituted or unsubstituted, branched or linear, C1-C20 hydrocarbyl group; R 1 R 2 is selected from the group consisting of a hydrogen atom or a, substituted or unsubstituted, branched or linear, C1-C20 hydrocarbyl group; each R 3 is independently selected from the group consisting of a hydrogen atom or a, substituted or unsubstituted, branched or linear, Ci-C20 hydrocarbyl group; each R 4 is independently selected from the group consisting of a hydrogen atom or a, substituted or unsubstituted, branched or linear, C1-C20 hydrocarbyl group; n is an integer from 1 to 4; and m is an integer from 1 to 5; and b) a molybdenum succinimide complex.