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. 10, 2020
Filed:
May. 17, 2017
Applicant:
The Lubrizol Corporation, Wickliffe, OH (US);
Inventors:
William D. Abraham, Concord Township, OH (US);
Mahmud M. Hussain, Ann Arbor, MI (US);
Kurt F. Wollenberg, Chardon, OH (US);
Assignee:
Other;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C10M 137/10 (2006.01); C07F 9/165 (2006.01); C10N 10/04 (2006.01); C10N 30/06 (2006.01); C10N 40/04 (2006.01); C10N 40/06 (2006.01); C10N 40/08 (2006.01); C10N 40/20 (2006.01); C10N 40/25 (2006.01); C10N 60/14 (2006.01);
U.S. Cl.
CPC ...
C10M 137/105 (2013.01); C07F 9/1651 (2013.01); C10M 2203/1006 (2013.01); C10M 2207/12 (2013.01); C10M 2207/283 (2013.01); C10M 2207/289 (2013.01); C10M 2215/02 (2013.01); C10M 2215/12 (2013.01); C10M 2215/28 (2013.01); C10M 2219/046 (2013.01); C10M 2223/049 (2013.01); C10N 2010/04 (2013.01); C10N 2030/06 (2013.01); C10N 2040/04 (2013.01); C10N 2040/042 (2020.05); C10N 2040/044 (2020.05); C10N 2040/045 (2020.05); C10N 2040/046 (2020.05); C10N 2040/06 (2013.01); C10N 2040/08 (2013.01); C10N 2040/20 (2013.01); C10N 2040/25 (2013.01); C10N 2040/253 (2020.05); C10N 2060/14 (2013.01);
Abstract
A composition obtained by reacting an O,O'-dialkyldithiophosphoric acid with a hydroxyalkyl acrylate or a hydroxyalkyl methacrylate, and reacting the product thereof with a dialkylphosphite provides good antiwear protection.