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:
May. 23, 2006
Filed:
Feb. 12, 2002
Applicants:
Ji-young Jang, Plano, TX (US);
Hyung-jin Kim, Suncheon, KR;
Kuang Wu, Plano, TX (US);
Inventors:
Assignee:
AMT International, Inc., Richardson, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 3/36 (2006.01); C07C 51/46 (2006.01); C07C 53/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A distillation system and method for recovering acetic acid from a feed stream containing acetic acid and water stream generated during terephthalic acid production. The invention includes a dehydration column utilizing azeotropic distillation to recover the acetic acid in conjunction with a condenser system to recover the energy.