The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 20, 1977
Filed:
Dec. 21, 1972
Applicant:
Inventors:
John W Nebzydoski, Fishkill, NY (US);
Edwin L Patmore, Fishkill, NY (US);
Assignee:
Texaco Inc., New York, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 499 ; 252 50 ; 252 / ; 252 / ; 252 / ;
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 (a) from about 0.01 to 0.5 percent of a substituted 4-aminotriazole; (b) from about 0.3 to 5 percent of an alkyl or alkaryl phenylnaphthylamine; (c) from about 0.3 to 5 percent of a dialkyldiphenylamine; and (d) from about 0.25 to 10 percent of a hydrocarbyl phosphate ester.