Ultra low phosphorus lubricant compositions

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9896638
SERIAL NO

15368041

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Abstract

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A low-phosphorus lubricating composition having less than 600 ppm phosphorus, comprising at least 85 weight % of a lubricating base blend, and an additive comprising the following, as weight % of the total composition:

    (1) an organomolybdenum component comprising: (a) an organomolybdenum complex, and(b) a molybdenum dithiocarbamate, the organomolybdenum component being present at an amount which provides about 400-800 ppm Mo; (2) (iso-octyl-3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate), at about 0.25-1.5%;(3) a dithiocarbamate component comprising (a) methylene-bis-dialkyldithiocarbamate and (b) said molybdenum dithiocarbamate, at a total dithiocarbamate component of about 0.6-1.2%; and(4) an alkylated diphenyl amine, at about 0.5-1.5%.

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Patent Owner(s)

Patent OwnerAddress
VANDERBILT CHEMICALS LLCNORWALK CT 06855

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Donnelly, Steven G Bethel, US 34 245
Hiza, Ronald J Monroe, US 12 67
Mazzamaro, Glenn A Middlebury, US 11 61

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