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:
Jan. 24, 2017
Filed:
Aug. 23, 2011
Applicants:
Daniel J. Knapton, Willowick, OH (US);
Troy A. Conant, Manvel, TX (US);
Inventors:
Daniel J. Knapton, Willowick, OH (US);
Troy A. Conant, Manvel, TX (US);
Assignee:
The Lubrizol Corporation, Wickliffe, OH (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M 141/10 (2006.01); C10M 137/10 (2006.01); C10L 1/26 (2006.01); C07F 9/09 (2006.01); C10M 137/08 (2006.01);
U.S. Cl.
CPC ...
C07F 9/09 (2013.01); C07F 9/093 (2013.01); C10M 137/08 (2013.01); C10M 2223/043 (2013.01); C10N 2230/06 (2013.01); C10N 2270/00 (2013.01);
Abstract
A process is provided for preparing a salt of a hydroxy-substituted ester of phosphoric acid, comprising: (a) reacting a phosphate diester with an alkylene oxide, (b) reacting the product mixture of step (a) with a phosphating agent; and (c) reacting the product mixture of step (b) with an amine; wherein the phosphate diester is reacted with the alkylene oxide of step (a) in the substantial absence of a phosphate monoester. The product is useful as an antiwear agent.