High efficiency engine oil compositions

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9234152
APP PUB NO 20130090278A1
SERIAL NO

13611676

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Abstract

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This invention is directed to passenger car engine oil compositions comprising in admixture 60 wt % to 90 wt % of a first base oil component, based on the total weight of the composition, the first base oil component consisting of a polyalphaolefin base stock or combination of polyalphaolefin base stocks, each having a kinematic viscosity at 100° C. of from 3.2 cSt to 3.8 cSt; 0.1 wt % to 20 wt % of a second base oil component, based on the total weight of the composition, the second base oil component consisting of a Group II, Group III or Group V base stock, or any combination thereof; and at least 0.75 wt % viscosity index improver, on a solid polymer basis.

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Patent Owner(s)

Patent OwnerAddress
EXXONMOBIL RESEARCH AND ENGINEERING COMPANY1545 ROUTE 22 EAST P O BOX 900 ANNANDALE NJ 08801-0900

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Deckman, Douglas Edward Mullica Hill, US 21 117
Emett, Craig Janzen Houston, US 3 33
Hagemeister, Mark Paul Houston, US 10 155
Harrington, Bruce Allan Houston, US 13 235
Kelly, Kevin John Mullica Hill, US 14 165
Lin, Chon-Yie Houston, US 28 535
Martin, Richard Wayne Woolwich Township, US 3 33
Matsunaga, Phillip Thomas Houston, US 4 37
Ruff, Charles James Houston, US 4 83
Stavens, Kevin Bruce Houston, US 4 35

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