Power transmission fluids containing alkyl phosphonates

Details Power transmission fluids containing alkyl phosphonates Power transmission fluids containing alkyl phosphonates

1997-04-21

2000-10-03

Johnson, Jerry D.

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...

508408, 508433, 252 785, C10M14110

Patent

active

061273236

ABSTRACT:
The anti-shudder durability of power transmitting fluids, particularly automatic transmission fluids, is improved by incorporating a combination of alkyl phosphonates, ashless dispersants and metallic detergents.

REFERENCES:
patent: 2963437 (1960-12-01), Ries, Jr.
patent: 4105572 (1978-08-01), Shaub et al.
patent: 4108889 (1978-08-01), Conner
patent: 4116877 (1978-09-01), Outten et al.
patent: 4158633 (1979-06-01), Papay
patent: 4356097 (1982-10-01), Papay
patent: 5597506 (1997-01-01), Bloch et al.
patent: 5652201 (1997-07-01), Papay et al.

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