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:
Feb. 28, 1984
Filed:
Jun. 04, 1982
Applicant:
Inventor:
Edilberto Colombo, Aicurzio, IT;
Assignee:
Agip Petroli S.p.A., Rome, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
548116 ; 252 467 ; 548117 ; 548239 ; 548347 ; 548352 ;
Abstract
A multifunctional ashless additive is described having antiwear and antioxidant properties and high antirust power, and is prepared by reacting a O,O'-dialkylthiophosphoric acid with a compound chosen from substituted 2-oxazolines and substituted imidazolines.