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:
Nov. 09, 1993
Filed:
Jun. 17, 1992
Applicant:
Inventor:
David E Ripple, Kirtland, OH (US);
Assignee:
The Lubrizol Corporation, Wickliffe, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ;
U.S. Cl.
CPC ...
252 / ; 252 / ; 252 50 ; 252 18 ; 252 / ;
Abstract
A lubricating oil composition providing less than 1% sulfated ash comprises an additive package of a carboxylic dispersant, a rust inhibiting mixture, a hydrocarbyl substituted phenol prepared without sulfur or chlorine, and a neutralized acid or phenol.