Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Heterocyclic ring compound; a heterocyclic ring is one...
Reexamination Certificate
2011-03-15
2011-03-15
Griffin, Walter D (Department: 1774)
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Heterocyclic ring compound; a heterocyclic ring is one...
C508S284000, C208S019000
Reexamination Certificate
active
07906466
ABSTRACT:
A finished lubricant having a kinematic viscosity at 40° C. between about 90 and 1700 cSt that passes the 4 hour TORT B rust test, comprising:a) greater than 65 weight percent API Group III base oil, API Group IV base oil, polyinternal olefin base oil, or mixtures thereof; andb) between about 0.10 wt % and about 5 wt % solubility improver. The solubility improver has an aniline point less than 50° C., or even lower. The finished lubricant can additionally comprise a mixture of amine phosphates.
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Abernathy Susan M.
Campanell Frank C
Chevron U.S.A. Inc.
Griffin Walter D
LandOfFree
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