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. 10, 2009
Filed:
Mar. 01, 2006
Applicants:
Alan George Wonders, Kingsport, TN (US);
Ronald Buford Sheppard, Kingsport, TN (US);
Martin DE Boer, Barendrecht, NL;
Raymond Elbert Fogle, Johnson City, TN (US);
Marcel DE Vreede, Barendrecht, NL;
Inventors:
Alan George Wonders, Kingsport, TN (US);
Ronald Buford Sheppard, Kingsport, TN (US);
Martin De Boer, Barendrecht, NL;
Raymond Elbert Fogle, Johnson City, TN (US);
Marcel de Vreede, Barendrecht, NL;
Assignee:
Eastman Chemical Company, Kingsport, TN (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 51/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is an optimized system for more efficiently and economically producing terephthalic acid. The system minimizes or eliminates the need for liquor exchange upstream of oxidative digestion and/or upstream of substantial cooling of the TPA-containing slurry.