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. 19, 2002
Filed:
Aug. 11, 1999
Applicant:
Inventors:
Samuel H. Tersigni, Richmond, VA (US);
Sanjay Srinivasan, Midlothian, VA (US);
David L. Strait, Ashland, VA (US);
Assignee:
Ethyl Corporation, Richmond, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10L / ; C10L / ; C10L / ; C10M / ;
U.S. Cl.
CPC ...
C10L / ; C10L / ; C10L / ; C10M / ;
Abstract
Transmission fluid compositions comprising a zinc detergent and at least one phosphorus-containing additive have enhanced performance capabilities. The use of the zinc detergent and the phosphorus-containing additive provide transmission fluids that exhibit high steel-on-steel coefficients of friction, particularly useful in continuously variable transmissions (CVT).