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
2007-10-23
2007-10-23
Saeed, Kamal A. (Department: 1626)
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...
C508S269000, C508S270000, C508S271000, C546S112000, C548S159000, C548S217000, C548S305100, C549S434000, C549S462000
Reexamination Certificate
active
11316099
ABSTRACT:
Dibenzo[b]perhydroheterocyclic amine compounds have shown to be particularly useful as stabilizers. The compounds may serve as antioxidants, antiozoants, heat stabilizers and ultraviolet light stabilizers and such compounds are oil soluble, thus particularly suited for use as an antioxidant in a lubricating oil composition.
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Chan Carrie Y.
Cherpeck Richard E.
Caroli Claude J.
Cheng Karen
Chevron Oronite Company LLC
Foley Joseph P.
Saeed Kamal A.
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