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:
Aug. 16, 2016
Filed:
Mar. 14, 2013
Applicant:
Eastman Chemical Company, Kingsport, TN (US);
Inventors:
Gregory Abbott Wellman, Jr., Kingsport, TN (US);
Joseph Nathaniel Bays, Kingsport, TN (US);
Robert Sterling Kline, Kingsport, TN (US);
Assignee:
Eastman Chemical Company, Kingsport, TN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 51/087 (2006.01); C07C 51/44 (2006.01); B01J 19/00 (2006.01); C07C 51/573 (2006.01); C07C 67/00 (2006.01);
U.S. Cl.
CPC ...
B01J 19/00 (2013.01); C07C 51/087 (2013.01); C07C 51/44 (2013.01); C07C 51/573 (2013.01); C07C 67/00 (2013.01);
Abstract
The invention provides systems and processes for concentrating acetic acid and acetic anhydride streams. The systems allow operation of equipment used for such concentrations in two or more modes of operation. At least one mode is intended to produce a concentrated or purified acetic acid stream. At least one other mode is intended to produce a concentrated or purified acetic anhydride stream.