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, 2011
Filed:
Feb. 21, 2007
Jun Dong, Waterbury, CT (US);
Gerard Mulqueen, Watertown, CT (US);
Michael J. Goode, West Lafayette, IN (US);
Alan Holt, West Didsbury, GB;
William D. Phillips, Poynton, GB;
Jun Dong, Waterbury, CT (US);
Gerard Mulqueen, Watertown, CT (US);
Michael J. Goode, West Lafayette, IN (US);
Alan Holt, West Didsbury, GB;
William D. Phillips, Poynton, GB;
Chemtura Corporation, Middlebury, CT (US);
Abstract
A lubricant composition is disclosed that comprises lubricating oil and a mixture of at least two antioxidants, the first antioxidant being a substituted diphenylamine and/or a heterocyclic amine and the second antioxidant being a substituted phenol. Also disclosed is a method of increasing the oxidation stability of a lubricating oil comprising adding thereto at least two antioxidants, the first antioxidant being a substituted diphenylamine and/or a heterocyclic amine and the second antioxidant being a substituted phenol.