Invention Grant
- Patent Title: Group III base stocks and lubricant compositions
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Application No.: US16221742Application Date: 2018-12-17
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Publication No.: US11352579B2Publication Date: 2022-06-07
- Inventor: Daniel J. Eichelsdoerfer , Richard C. Dougherty , Charles L. Baker, Jr. , Rugved P. Pathare , Bryan E. Hagee
- Applicant: ExxonMobil Technology and Engineering Company
- Applicant Address: US NJ Annandale
- Assignee: ExxonMobil Technology and Engineering Company
- Current Assignee: ExxonMobil Technology and Engineering Company
- Current Assignee Address: US NJ Annandale
- Agent Scott F. Yarnell
- Main IPC: C10M101/02
- IPC: C10M101/02 ; C10G47/16 ; C10G45/64 ; C10G45/62 ; C10G73/06 ; C10G7/06 ; B01J35/10 ; B01J29/78 ; C10G45/08 ; C10G47/18 ; C10G45/00 ; C10G65/12 ; C10G47/12 ; C10N20/02 ; C10N20/00 ; C10N30/10 ; C10N40/25
Abstract:
Disclosed are Group III base stocks comprising at least 30 wt % naphthenes, a viscosity index from 120 to 145; and a unique ratio of molecules with multi-ring naphthenes to single ring naphthenes (2R+N/1RN). A method for preparing the base stocks is also disclosed. Also disclosed is a lubricating oil having the base stock as a major component, and an additive as a minor component.
Public/Granted literature
- US20190194562A1 GROUP III BASE STOCKS AND LUBRICANT COMPOSITIONS Public/Granted day:2019-06-27
Information query
