Gear and transmission lubricant compositions of improved sludge-

Details Gear and transmission lubricant compositions of improved sludge- Gear and transmission lubricant compositions of improved sludge-

1995-11-30

1997-09-09

Willis, Jr., Prince

Solid anti-friction devices, materials therefor, lubricant or se

Lubricants or separants for moving solid surfaces and...

Organic phosphorus compound, wherein the phosphorus is...

508433, 508436, 508470, C10M13700, C10M13708, C10M14900

Patent

active

056656858

ABSTRACT:
A gear or transmission lubricant composition, comprising a major portion of mineral base oil, containing added thereto (A) a phosphorus-containing metal-free organic compound, such as a phosphate ester or amine salt thereof, and (B) an oil-soluble copolymer of (a) an alkyl (meth)acrylate and (b) a N,N-dialkylaminoalkyl (meth)acrylate, shows improved sludge dispersibility, and is useful as automatic transmission fluid.

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