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:
Oct. 22, 2013
Filed:
Sep. 17, 2008
Robert G. Rowland, Woodbridge, CT (US);
Joseph F. Stieber, Prospect, CT (US);
Clifford M. Pratt, Bethel, CT (US);
Ronald D. Abbott, New Hartford, CT (US);
Robert G. Rowland, Woodbridge, CT (US);
Joseph F. Stieber, Prospect, CT (US);
Clifford M. Pratt, Bethel, CT (US);
Ronald D. Abbott, New Hartford, CT (US);
Chemtura Corporation, Middlebury, CT (US);
Abstract
An alkylated 1,3-benzenediamine compound used as a deposit-control lubricant additives for organic materials including lubricating oil, gasoline, and diesel fuels. The invention improves the oxidative stability of the lubricants and fuels by adding the alkylated 1,3-benzenediamine compound. The alkylated 1,3-benzenediamine compound is formed using a catalytic hydrogenation that alkylates the 4 and/or 6 position of the central aromatic ring.