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. 12, 1991
Filed:
Jul. 19, 1989
Applicant:
Inventors:
Andrew G Horodysky, Cherry Hill, NJ (US);
Derek A Law, Yardley, PA (US);
Shi-Ming Wu, Newtown, PA (US);
Assignee:
Mobil Oil Corporation, Fairfax, VA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ;
U.S. Cl.
CPC ...
252 / ; 252 / ; 252 466 ; 252 467 ; 25238921 ; 25238922 ; 25240021 ; 25240022 ; 558 86 ; 558218 ;
Abstract
Phosphites of hydrocarbyl diols or alkoxylated amines are reacted with aryl sulfonic acids preformed or formed in situ in lubricants to provide multifunctional antioxidant, corrosion inhibiting, and friction reducing properties therefor.