发明授权
US4664826A Metal salt esters of hydrocarbyl substituted succinic acid or anhydride and thio alkanols 失效
烃基取代的琥珀酸或酸酐和硫代链烷醇的金属盐酯

Metal salt esters of hydrocarbyl substituted succinic acid or anhydride
and thio alkanols
摘要:
The present invention provides certain metal (e.g., Ca or Mg) ester salt derivatives capable of exhibiting friction modification, oxidation inhibition, and corrosion inhibition properties in power transmitting fluids such as automatic transmission fluids. These salts are derived from mono or diesters prepared by the reaction of an alkanol (e.g., thio-bis-ethanol) and a hydrocarbon substituted succinic acid or anhydride, such as octadecenyl succinic anhydride.
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