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:
Sep. 08, 2020
Filed:
Dec. 07, 2016
Applicant:
The Lubrizol Corporation, Wickliffe, OH (US);
Inventor:
Robert D. Dura, Broadview Heights, OH (US);
Assignee:
The Lubrizol Corporation, Wickliffe, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C10M 135/30 (2006.01); C10M 159/22 (2006.01); C10M 101/02 (2006.01); C10M 107/02 (2006.01);
U.S. Cl.
CPC ...
C10M 135/30 (2013.01); C10M 101/02 (2013.01); C10M 107/02 (2013.01); C10M 159/22 (2013.01); C10M 2203/1025 (2013.01); C10M 2205/06 (2013.01); C10M 2207/026 (2013.01); C10M 2207/028 (2013.01); C10M 2207/262 (2013.01); C10M 2215/064 (2013.01); C10M 2215/28 (2013.01); C10M 2219/044 (2013.01); C10M 2219/046 (2013.01); C10M 2219/087 (2013.01); C10M 2219/088 (2013.01); C10M 2219/089 (2013.01); C10M 2223/045 (2013.01); C10N 2210/01 (2013.01); C10N 2210/02 (2013.01); C10N 2210/04 (2013.01); C10N 2230/02 (2013.01); C10N 2230/04 (2013.01); C10N 2230/06 (2013.01); C10N 2230/08 (2013.01); C10N 2230/10 (2013.01); C10N 2230/43 (2013.01); C10N 2230/45 (2013.01); C10N 2230/52 (2013.01); C10N 2240/04 (2013.01); C10N 2240/042 (2013.01); C10N 2240/044 (2013.01); C10N 2240/046 (2013.01); C10N 2240/10 (2013.01); C10N 2240/102 (2013.01);
Abstract
A lubricating composition includes an oil of lubricating viscosity and a compound comprising a protected mercaptophenol. The protected mercaptophenol includes a mercapto group in which the hydrogen is substituted with a substituent of at least 5 carbons. The substituent is selected from hydroxy-substituted hydrocarbyl groups, poly(ether) groups, hydrocarbyl groups, and mixtures and salts thereof.