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:
Jun. 16, 2015
Filed:
Jul. 22, 2009
Applicant:
William D. Abraham, Concord, OH (US);
Inventor:
William D. Abraham, Concord, OH (US);
Assignee:
The Lubrizol Corporation, Wickliffe, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C10M 135/36 (2006.01); C10M 137/10 (2006.01); C07F 9/02 (2006.01); C10M 137/06 (2006.01); C10M 137/08 (2006.01);
U.S. Cl.
CPC ...
C10M 137/06 (2013.01); C10M 137/08 (2013.01); C10M 2219/044 (2013.01); C10M 2219/046 (2013.01); C10M 2219/106 (2013.01); C10M 2223/042 (2013.01); C10M 2223/043 (2013.01); C10N 2230/12 (2013.01); C10N 2230/24 (2013.01); C10N 2230/40 (2013.01); C10N 2230/43 (2013.01); C10N 2240/04 (2013.01); C10N 2240/08 (2013.01); C10N 2260/12 (2013.01);
Abstract
The present invention relates to a method of lubricating a tractor with a lubricating composition containing: an oil of lubricating viscosity and a sulphur-free phosphorus-containing salt of either (i) a hydroxy-substituted di-ester of phosphoric acid, or (ii) a phosphorylated hydroxy-substituted di- or tri-ester of phosphoric acid.