Lubricating oil composition

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

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Details

C508S190000, C508S243000

Reexamination Certificate

active

10712932

ABSTRACT:
Lubricating oil compositions providing superior soot dispersing characteristics, which contain a combination of a high molecular weight dispersant and a soot dispersant comprising a linked aromatic oligomer.

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