Patent · US Active

Lubricant blend composition

US8318993B2 · kind B2 · utility

2Cited by

24References

17Claims

0Family size

Assignee

EXXONMOBIL RESEARCH AND ENGINEERING COMPANY · US

Inventors

Margaret M. Wu · Skillman, US
Jon E. Stanat · Baton Rouge, US
Kyle Lawrence · Houston, US
Richard Spissell · National Park, US
James W. Gleeson · Burke, US
James T. Carey · Medford, US
Charles L. Baker, Jr. · Thornton, US

Key dates

Filing date	Dec 15, 2005
Grant date	Nov 27, 2012
Priority date	—
Expiry date	Aug 30, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC10N2030/68
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A fluid blend suitable for use as a lube basestock comprises two major components: (A) a copolymer made from ethylene with one or more alpha olefins, the copolymer (i) containing not more than 50 wt % ethylene; (ii) having a number average molecular weight of from 400 to 10,000; and (iii) a molecular weight distribution <3; and (B) a polyalphaolefin fluid or a hydroprocessed oil having a VI greater than 80.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.