Antioxidant additive for lubricant compositions, comprising...

Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Inorganic compound

Reexamination Certificate

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Details

C508S243000

Reexamination Certificate

active

07858565

ABSTRACT:
The invention relates an additive for improving antioxidant capabilities in a lubricating composition, where the lubricating composition is based on a major amount of a lubricating oil and 0.1-5.0 mass percent of an additive, the additive including a secondary diarlyamine and an organoammonium tungstate.

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See U.S. Appl. No. 11/743,955, filed May 3, 2007.

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