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. 18, 2020
Filed:
Sep. 07, 2012
Helen T. Ryan, London, GB;
Bevin W. Parks-lee, Midlothian, VA (US);
Jeffrey J. Soden, Midlothian, VA (US);
Stuart Wickson, Leeds, GB;
Helen T. Ryan, London, GB;
Bevin W. Parks-Lee, Midlothian, VA (US);
Jeffrey J. Soden, Midlothian, VA (US);
Stuart Wickson, Leeds, GB;
Afton Chemical Corporation, Richmond, VA (US);
Abstract
In accordance with the disclosure, one aspect of the present application is directed to a lubricant additive composition. The lubricant additive composition includes a component or mixture of components selected from (a) an aminoalkylphosphonic acid dialkyl ester; (b) a cyclized product of an aminoalkylphosphonic acid dialkyl ester; and a mixture of (a) and (b). Preparation and use of the additive composition in a lubricant for antiwear and/or friction reduction are also disclosed.