Amine salt of N-triazolyl-hydrocarbyl succinamic acid and lubricating oil composition containing same
AssigneeTexaco Inc.
InventorsJohn W. Nebzydoski, Edwin L. Patmore
Life of this patent
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Abstract
An amine salt of N-triazolyl-hydrocarbyl succinamic acid represented by the formula: ##STR1## in which R"" is an alkylene radical having from 2 to 24 carbon atoms and R'" is hydrogen or a hydrocarbyl radical having from 1 to 24 carbon atoms at least one R'" being a hydrocarbyl radical and a lubricating oil composition containing same is provided.
Claims20
An amine salt of N-triazol hydrocarbyl succinamic acid represented by the formula ##STR6## in which R"" is an alkylene radical having 2 carbon atoms and R"' is hydrogen or an aliphatic hydrocarbon radical having from 1 to 24 carbon atoms, at least one R"' being a hydrocarbon radical.
Tertiary octylamine salt of N-(3-[1,2,4-triazolyl])-C.sub.12 hydrocarbylsuccinamic acid.
Tertiary octylamine salt of N-(3-[1,2,4-triazolyl])-C.sub.8-16 hydrocarbylsuccinamic acid.
Tertiary octylamine salt of N-(3-[1,2,4-triazolyl])-2-dodecen-1-ylsuccinamic acid.
Tetradecylamine salt of N-(3-[1,2,4-triazolyl])-2-tetradecen-1-ylsuccinamic acid.
Tertiary decylamine salt of N-(3-[1,2,4-triazolyl])-C.sub.12 hydrocarbylsuccinamic acid.
Tertiary dodecylamine salt of N-(3-[1,2,4-triazolyl])-decen-1-ylsuccinamic acid.
A lubricating oil composition comprising a major portion of a base oil having lubricating properties and from about 0.01 to 5 weight percent of an amine salt of N-triazolyl hydrocarbyl succinamic acid represented by the formula:
- ##STR7## in which R"" is an alkylene radical having 2 carbon atoms and R"' is hydrogen or an aliphatic hydrocarbon radical having from 1 to 24 carbon atoms, at least one R"' being a hydrocarbon radical.
A synthetic lubricating oil composition comprising a major portion of an aliphatic ester base oil having lubricating properties formed from the reaction of pentaerythritol or trimethylolpropane and a saturated hydrocarbyl monocarboxylic acid having from 2 to 18 carbon atoms per molecule, containing
- A. From about 0.01 to 0.5 weight percent of an amine salt of a substituted 3-aminotriazole represented by the formula:
- ##STR8## in which R"" is an alkylene radical having 2 carbon atoms and R"' is hydrogen or an aliphatic hydrocarbon radical having from 1 to 24 carbon atoms, at least one R"' being a hydrocarbon radical.
- B. From about 0.3 to 5 percent by weight of the lubricating oil composition of a phenyl naphthylamine or an alkyl or alkaryl-substituted phenyl naphthylamine in which the alkyl and alkaryl radicals have from 1 to 12 carbon atoms.
- C. From about 0.3 to 5 percent of a dialkyldiphenylamine in which the alkyl radical has from 4 to 12 carbon atoms, and
- D. From about 0.25 to 10 percent of a trihydrocarbyl phosphate in which said hydrocarbyl radical contains an aryl ring and contains from about 6 to 18 carbon atoms.
Dependencies are inferred from the claim text.