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:
Jan. 23, 1979
Filed:
Oct. 18, 1977
Applicant:
Inventors:
John P Pellegrini, Jr, Pittsburgh, PA (US);
Helen I Thayer, Oakmont, PA (US);
Assignee:
Gulf Research & Development Company, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ; C10M / ; C10M / ;
U.S. Cl.
CPC ...
252 467 ;
Abstract
Lubricating oils comprising mineral oils and synthetic oils having high pour points are provided with one or more enhanced characteristics such as improved pour point, viscosity, viscosity index, metal-free and anti-wear properties by the addition of a dialkyl, diaryl, dialkaryl, diarylalkyl; or diaryloxyalkyl dithiophosphate copolymer of (A) a monomeric aziridineethyl acrylate or methacrylate and (B) a monomeric alkyl acrylate or alkyl methacrylate.