Low sulfur metal detergent-dispersants

Details Low sulfur metal detergent-dispersants Low sulfur metal detergent-dispersants

2011-06-07

2011-06-07

McAvoy, Ellen M (Department: 1771)

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

Lubricants or separants for moving solid surfaces and...

Organic -co- compound

C508S331000, C508S332000, C508S518000, C508S574000

Reexamination Certificate

active

07956022

ABSTRACT:
A process for preparing alkylhydroxybenzoate detergent-dispersant additives having low sulfur content and high TBN is described. The alkali metal alkylhydroxylbenzoate, alkaline earth metal alkylhydroxybenzoate and overbased alkaline earth metal alkylhydroxybenzoate reaction products described have a sulfur content in the range of from about 0.1 to 1.2 wt % are effective anti-corrosive detergent-dispersant additives in lubricating oil compositions.

REFERENCES:
patent: 2256443 (1941-09-01), Reiff
patent: 2311931 (1943-02-01), Cook et al.
patent: 2366873 (1945-01-01), Reiff
patent: 2366874 (1945-01-01), Reiff
patent: 3410798 (1968-11-01), Cohen
patent: 3595791 (1971-07-01), Cohen
patent: 6001785 (1999-12-01), Le Coent et al.
patent: 6235688 (2001-05-01), Small et al.
patent: 6291408 (2001-09-01), Le Coent et al.
patent: 6348438 (2002-02-01), Le Coent et al.
patent: 6569818 (2003-05-01), Nakazato et al.
patent: 6642190 (2003-11-01), Hammond et al.
patent: 6784143 (2004-08-01), Locke et al.
patent: 7087557 (2006-08-01), Muir et al.
patent: 7163911 (2007-01-01), Boons et al.
patent: 2005/0137098 (2005-06-01), Le Coent et al.
patent: 2005/0137100 (2005-06-01), Le Coent et al.
patent: 2007/0027043 (2007-02-01), Le Coent
patent: 2007/0027044 (2007-02-01), Le Coent
patent: 0 168 110 (1986-01-01), None
patent: 0 168 111 (1986-01-01), None
patent: 0 168 880 (1986-01-01), None
patent: 0 385 616 (1990-02-01), None
patent: 1 167 497 (2002-01-01), None

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