Title:
LUBRICANT COMPOSITIONS HAVING IMPROVED OXIDATION PERFORMANCE
Document Type and Number:
WIPO Patent Application WO/2019/126003
Kind Code:
A8
Abstract:
Disclosed are lubricant compositions with improved oxidation stability which are prepared with Group III base stocks comprising greater than or equal to about 90 wt. % saturated hydrocarbons (saturates); a viscosity index from 120 to 145; a unique ratio of molecules with multi-ring naphthenes to single ring naphthenes (2R+N/1RN); a unique ratio of branched carbons to straight chain (BC/SC) carbons; and a unique ratio of branched carbons to terminal chain (BC/TC) carbons.
Inventors:
EICHELSDOERFER DANIEL (US)
DOUGHERTY RICHARD (US)
BAKER JR (US)
DOUGHERTY RICHARD (US)
BAKER JR (US)
Application Number:
PCT/US2018/065942
Publication Date:
March 26, 2020
Filing Date:
December 17, 2018
Export Citation:
Assignee:
EXXONMOBIL RES & ENG CO (US)
International Classes:
C10M171/02; C10G45/00; C10M101/02; C10N20/02; C10N30/02; C10N30/08; C10N30/10; C10N40/25
Attorney, Agent or Firm:
YARNELL, Scott, F. et al. (US)
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