Automatic transmission fluid of improved viscometric properties

Details Automatic transmission fluid of improved viscometric properties Automatic transmission fluid of improved viscometric properties

1998-01-13

2000-06-20

Howard, Jacqueline V.

Compositions

Heat-exchange, low-freezing or pour point, or high boiling...

Organic components

252 79, 508232, 508469, 508476, 508554, 508559, C09K 500, C10M13316, C10M14514

Patent

active

06077455&

ABSTRACT:
This invention provides compositions and methods for producing automatic transmission fluids capable of improved viscometric properties and capable of achieving -40.degree. C. Brookfield viscosities not greater than 18,000 centipoise using natural lubricating oils.

REFERENCES:
patent: 5064546 (1991-11-01), Dasai
patent: 5372735 (1994-12-01), Ohtani et al.
patent: 5387346 (1995-02-01), Hartley et al.
patent: 5578236 (1996-11-01), Srinivasan et al.
patent: 5641732 (1997-06-01), Bloch et al.
patent: 5641733 (1997-06-01), Bloch et al.
patent: 5646099 (1997-07-01), Watts et al.

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