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:
Nov. 10, 2009
Filed:
Jul. 28, 2005
Applicants:
Robert Lin, Kingsport, TN (US);
Ruairi Seosamh O'meadhra, Kingsport, TN (US);
Inventors:
Robert Lin, Kingsport, TN (US);
Ruairi Seosamh O'Meadhra, Kingsport, TN (US);
Assignee:
Eastman Chemical Company, Kingsport, TN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/42 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is an optimized process and apparatus for more efficiently producing and purifying aromatic dicarboxylic acids (e.g., terephthalic acid). The optimized system employs at least one zoned slurry concentrator to enhance purification of the aromatic dicarboxylic acid.