Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Organic phosphorus compound – wherein the phosphorus is...
Reexamination Certificate
2007-12-18
2007-12-18
Nguyen, Anhtuan T. (Department: 3731)
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Organic phosphorus compound, wherein the phosphorus is...
C508S421000, C508S433000
Reexamination Certificate
active
10830771
ABSTRACT:
An ashless natural gas engine lubricating composition which has enhanced resistance to oxidation, nitration and viscosity increase employs as additives in a lubricating oil basestock a combination of phenolic and alkylthiocarbamoyl antioxidants and an ashless phosphorous antiwear additive.
REFERENCES:
patent: 3767577 (1973-10-01), Boggs
patent: 3873464 (1975-03-01), Bieber et al.
patent: 4186102 (1980-01-01), Malec
patent: 5569405 (1996-10-01), Nakazato et al.
patent: 5869184 (1999-02-01), Oishi et al.
patent: 6001780 (1999-12-01), Ho et al.
patent: 6465400 (2002-10-01), Kamimura et al.
patent: 6503872 (2003-01-01), Tomaro
patent: 2002/0086802 (2002-07-01), Cain
patent: 2004/0214729 (2004-10-01), Buitrago
patent: 2005/0026792 (2005-02-01), Cartwright
patent: 2005/0054543 (2005-03-01), Cartwright
patent: 2006/0116302 (2006-06-01), Deckman et al.
Allocca Joseph A.
Dvorak Joseph J.
ExxonMobil Research and Engineering Company
Lang Amy T.
Nguyen Anhtuan T.
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