Engine oil compositions

Details Engine oil compositions Engine oil compositions

2011-04-19

2011-04-19

Anthony, Joseph D (Department: 1761)

Internal-combustion engines

Miscellaneous

Fuels, lubricants and additives

C508S485000, C508S491000, C508S486000, C123S1960CP, C123S190110, C123S1960CP, C123S1960CP, C123S1960CP, C184S001500, C184S006500, C184S006800, C184S006900

Reexamination Certificate

active

07926453

ABSTRACT:
A lubricating oil composition comprising (a) a major amount of a base oil of lubricating viscosity and (b) a minor deposit-inhibiting effective amount of a reaction product prepared by transesterifying at least one glycerol ester and at least one non-glycerol polyol ester is provided. Methods for its use are also provided.

REFERENCES:
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patent: 5338471 (1994-08-01), Lal
patent: 6278006 (2001-08-01), Kodali et al.
patent: 6410491 (2002-06-01), Harrison et al.
patent: 6465401 (2002-10-01), Kodali et al.
patent: 6943262 (2005-09-01), Kodali et al.
patent: 2002/0107152 (2002-08-01), Robson
patent: 2003/0176300 (2003-09-01), Kodali et al.
patent: 2003/0186824 (2003-10-01), Chiu et al.
patent: WO 03/027212 (2003-04-01), None

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