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:
Apr. 19, 2016
Filed:
Nov. 03, 2014
Applicant:
Vanderbilt Chemicals, Llc, Norwalk, CT (US);
Inventors:
Kevin J. Chase, Branford, CT (US);
Brian W. Stunkel, Stamford, CT (US);
Assignee:
VANDERBILT CHEMICALS, LLC, Norwalk, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 141/00 (2006.01); C10M 141/08 (2006.01); C10M 141/04 (2006.01); C10M 135/18 (2006.01); C10M 141/02 (2006.01);
U.S. Cl.
CPC ...
C10M 141/08 (2013.01); C10M 141/04 (2013.01); C10M 135/18 (2013.01); C10M 141/00 (2013.01); C10M 141/02 (2013.01); C10M 2205/0285 (2013.01); C10M 2215/064 (2013.01); C10M 2215/221 (2013.01); C10M 2219/02 (2013.01); C10M 2219/022 (2013.01); C10M 2219/066 (2013.01); C10M 2219/085 (2013.01); C10N 2230/10 (2013.01); C10N 2230/40 (2013.01); C10N 2250/10 (2013.01);
Abstract
A lubricant composition with improved antioxidant capability is provided by way of an additive composition containing a metal free sulfur-containing compound, an aromatic amine, and a hindered amine. Particularly effective metal-free sulfur-containing compounds include ashless dithiocarbamates, such as methylenebis(dibutyldithiocarbamate), and sulfurized fatty acids.