Additive formulation for lubricating oils

Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Organic compound containing boron

Reexamination Certificate

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Details

C508S372000, C508S374000, C508S390000, C508S409000, C508S414000, C508S415000, C508S479000, C508S501000, C508S502000, C508S572000, C508S585000, C508S586000

Reexamination Certificate

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10305526

ABSTRACT:
Lubricating oils containing an additive formulation including at least one sulphonate, saligenin and salixarate detergent provide improved wear performance and decreased sulphur and phosphorus emissions.

REFERENCES:
patent: 6200936 (2001-03-01), Moreton
patent: 6310009 (2001-10-01), Kocsis et al.
patent: 6331510 (2001-12-01), Curtis et al.
patent: 6340659 (2002-01-01), Kocsis et al.
patent: 6583092 (2003-06-01), Carrick et al.
patent: 6846782 (2005-01-01), Calder
patent: WO 01/56968 (2001-08-01), None
patent: WO 02/062930 (2002-08-01), None
patent: WO 03/104620 (2003-12-01), None
patent: WO 2004/096957 (2004-11-01), None
Mortier et al, “Chemistry and Technology of Lubricants,” 2d ed 1997, pp. 77-82.

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