Abstract:
1. A SYNTHETIC LUBRICATING OIL COMPOSITION COMPRISING A MAJOR PORTION OF AN ALIPHATIC ESTER BASE OIL HAVING LUBRICATING PROPERTIES FORMED FROM THE REACTION OF A PENTAERYTHRIOL OR TRIMETHYLOPROPANE AND A SATURATED HYDROCARBYL MONOCARBOXYLIC ACID HAVING FROM ABOUT 2 TO 18 CARBON ATOMS PER MOLECULE, CONTAINING A. FROM ABOUT 0.005 TO 0.5 WEIGHT PERCENT OF A DIHYDROCARBYLAMINE SALT OF OXALIC ACID REPRESENTED BY THE FORMULA:
R-NH-R''. HOOC-COOH .R''-NH-R
IN WHICH R IS A HYDROCARBYL RADICAL HAVING FROM ABOUT 8 TO ABOUT 22 CARBON ATOMS AND R'' IS HYDROGEN OR A HYDROCARBYL RADICAL HAVING FROM 1 TO 5 CARBON ATOMS B. FROM ABOUT 0.3 TO 5 PERCENT BY WEIGHT OF THE LUBRICATING OIL COMPOSITION AN ALKYL OR ALKARYL PHENYL NAPHTHYLAMINE IN WHICH THE ALKYL RADICAL HAS FROM 4 TO 22 CARBON ATOMS C. FROM ABOUT 0.3 TO 5 PERCENT OF A DIALKYLDIPHENYLAMINE IN WHICH THE ALKYL RADICALS HAVE 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 6 TO 18 CARBON ATOMS.
Abstract:
Synthetic lubricating oil composition comprising a major portion of an aliphatic ester-base oil having lubricating properties formed from the reaction of a pentaerythritol or trimethylolpropane and an organic monocarboxylic acid containing an amine salt of a substituted rhodanine.
Abstract:
Synthetic lubricating oil composition comprising a major portion of an aliphatic ester base oil having lubricating properties formed by the reaction of a pentaerythritol or trimethylolpropane and an organic monocarboxylic acid containing (a) from about 0.01 to 2.5 weight percent of an ammonium thiocyanate represented by the formula:
Abstract:
Di- and tri-C8-C24 hydrocarbyl ammonium trithiocyanurate and a lubricating oil composition containing said di- or trihydrocarbylammonium thithiocyanurate having improved load carrying properties.
Abstract translation:二 - 和三-C 8 - C 24烃基三硫代氰尿酸铵和含有所述二硫代碳酸二铵或三烃基硫代氰化铵铵的润滑油组合物具有改进的负载性能。
Abstract:
Synthetic lubricating oil composition comprising a major portion of an aliphatic ester base oil having lubricating properties formed by the reaction of a pentaerythritol or trimethylolpropane and an organic monocarboxylic acid containing from about 0.01 to 2.5 weight percent of an imminium salt of thiocyanic acid represented by the formula:
Abstract translation:合成润滑油组合物,其包含主要部分脂肪族酯基油,其具有通过季戊四醇或三羟甲基丙烷的反应形成的润滑性能和含有约0.01至2.5重量%的由式(I)表示的硫氰酸盐的盐的有机单羧酸, :其中R表示芳族基团,羟基芳族基团或具有6至18个碳原子的共轭烯属基团,R'表示氢或脂族基团,RR'C = N + HR' 具有1至12个碳原子,R“是具有1至20个碳原子的脂族基团,和约0.04至2重量%的由下式表示的多羟基取代的蒽醌: