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. 18, 1979
Filed:
May. 30, 1978
Applicant:
Inventors:
Russell R Reinhard, Hopewell Junction, NY (US);
Roberta Yaffe, Beacon, NY (US);
Assignee:
Texaco Inc., White Plains, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 466 ; 252 45 ; 252 / ;
Abstract
Synthetic lubricating oil composition having improved oxidation stability comprising a major portion of an aliphatic ester base fluid having lubricating properties, formed by the reaction of pentaerythritol and an organic monocarboxylic acid and containing a hydrocarbyl phosphate ester, a polyhydroxy anthraquinone, a dialkyl sulfide and either a phenylnaphthylamine or a dialkyldiphenylamine.