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:
Aug. 22, 2000
Filed:
Oct. 15, 1997
Applicant:
Inventors:
Carl Kurt Esche, Jr, Richmond, VA (US);
Anthony J Rollin, Midlothian, VA (US);
Mark Thomas Devlin, Richmond, VA (US);
Assignees:
Ethyl Corporation, Richmond, VA (US);
DSM N.V., Geleen, NL;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ;
U.S. Cl.
CPC ...
508231 ; 508239 ; 508240 ; 508241 ; 508454 ; 508455 ; 508452 ; 525298 ; 525301 ;
Abstract
This invention relates to a novel multi-functional fuel and lubricant additive that provides dispersancy properties as well as viscosity index improved credit, improved fuel economy and low temperature viscometric properties. The invention further relates to concentrates, fuel and lubricating oil compositions containing said additive.