Lubricating oil composition for automatic transmissions

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

Reexamination Certificate

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Details

C508S189000, C508S441000, C508S442000, C508S454000, C208S018000, C208S019000, C252S077000

Reexamination Certificate

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07407917

ABSTRACT:
An additive compound comprising a non-borated and/or borated reaction product, in which the reaction product is obtained by reacting a linear or branched, saturated or unsaturated monovalent aliphatic acid having 8 to 22 carbon atoms, urea, and polyalkylenepolyamine, when employed in a lubricating oil composition is favorably employable as an automatic transmission fluid of internal combustion engines.

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