	US 12,234,424 B2
	Hydrocarbon compositions useful as lubricants for improved oxidation stability
Joshua D. Catanach, Bridgewater, NJ (US); Clara Rodrigue, Philadelphia, PA (US); Christine A. Zielinski, Furlong, PA (US); Charles L. Baker, Jr., Thornton, PA (US); Richard C. Dougherty, Moorestown, NJ (US); and Min Chen, Clinton, NJ (US)
Assigned to Exxon Mobil Technology and Engineering Company, Spring, TX (US)
Appl. No. 17/915,279
Filed by EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY, Annandale, NJ (US)
PCT Filed Feb. 12, 2021, PCT No. PCT/US2021/017788 § 371(c)(1), (2) Date Sep. 28, 2022, PCT Pub. No. WO2021/225662, PCT Pub. Date Nov. 11, 2021.
Claims priority of provisional application 63/003,135, filed on Mar. 31, 2020.
Prior Publication US 2023/0132628 A1, May 4, 2023
Int. Cl. C10M 169/04 (2006.01); C10G 67/04 (2006.01); C10N 20/00 (2006.01); C10N 20/02 (2006.01); C10N 30/00 (2006.01); C10N 30/10 (2006.01)

CPC C10M 169/04 (2013.01) [C10G 67/0445 (2013.01); C10M 2205/0285 (2013.01); C10N 2020/02 (2013.01); C10N 2020/071 (2020.05); C10N 2030/10 (2013.01); C10N 2030/74 (2020.05)]

14 Claims

1. A hydrocarbon composition comprising:

a blend of one or more base stocks and a high-sulfur containing material,

wherein

each base stock has a kinematic viscosity at 100°° C. between about 3.0 cSt and about 12.0 cSt,

a viscosity index (VI) between about 80 and about 150,

a pour point between about −15° C. and −60° C.,

a NOACK volatility between about 5.0 wt. % and 15.0 wt. %,

a sulfur content between about 0 ppm and 100 ppm,

aromatics in amount less than 3.0 wt. %,

an NMR branching index between about 20.6 and 38.3,

the sulfur containing material comprises between about 0.01 to 4.5 wt. % sulfur, and

the sulfur containing material comprises at least one material selected from the group consisting of vacuum gas oils, raffinates, bright stocks, heavy neutral base stocks, process oils, used lubricants, lubricant extracts, extracts from hydrofinishing, distillate aromatic extracts. and combinations thereof.