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:
Dec. 24, 2013
Filed:
Aug. 24, 2012
Carboxylic acid production process employing solvent from esterification of lignocellulosic material
Mesfin Ejerssa Janka, Kingsport, TN (US);
Charles Edwan Sumner, Jr., Kingsport, TN (US);
Adam Scott Howard, Gray, TN (US);
Kenny Randolph Parker, Afton, TN (US);
Mesfin Ejerssa Janka, Kingsport, TN (US);
Charles Edwan Sumner, Jr., Kingsport, TN (US);
Adam Scott Howard, Gray, TN (US);
Kenny Randolph Parker, Afton, TN (US);
Eastman Chemical Company, Kingsport, TN (US);
Abstract
Methods and apparatus for producing a carboxylic acid employing a solvent from esterification of lignocellulosic materials. An acid-containing composition from esterification of lignocellulosic materials can be employed in the oxidation of para-xylene to terephthalic acid. The acid-containing composition can comprise acetic acid, acetic anhydride, and one or more terpenes or terpenes derivatives.