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:
Mar. 28, 2017
Filed:
Sep. 03, 2014
Applicant:
Eastman Chemical Company, Kingsport, TN (US);
Inventors:
Mesfin Ejerssa Janka, Kingsport, TN (US);
Charles Edwan Sumner, Jr., Kingsport, TN (US);
Stephanie Nicole Rollins-Testerman, Kingsport, TN (US);
Craig Steven Dunn, Gray, TN (US);
Assignee:
Eastman Chemical Company, Kingsport, TN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 51/265 (2006.01); B01J 31/04 (2006.01); B01J 31/26 (2006.01);
U.S. Cl.
CPC ...
C07C 51/265 (2013.01); B01J 31/04 (2013.01); B01J 31/26 (2013.01); B01J 2231/70 (2013.01);
Abstract
Disclosed is a halide-free catalyst system and method for oxidizing toluene to form benzoic acid in benzoic acid solvent. The catalyst system contains Co, at least one of Zr and Hf, and an alkali metal basic salt.