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:
Apr. 22, 2014
Filed:
Apr. 26, 2011
Trinity Horton, Houston, TX (US);
Radmila Jevtic, Houston, TX (US);
Victor J. Johnston, Houston, TX (US);
Tianshu Pan, Houston, TX (US);
Lincoln Sarager, Houston, TX (US);
R. Jay Warner, Houston, TX (US);
Heiko Weiner, Pasadena, TX (US);
Josefina T. Chapman, Houston, TX (US);
Trinity Horton, Houston, TX (US);
Radmila Jevtic, Houston, TX (US);
Victor J. Johnston, Houston, TX (US);
Tianshu Pan, Houston, TX (US);
Lincoln Sarager, Houston, TX (US);
R. Jay Warner, Houston, TX (US);
Heiko Weiner, Pasadena, TX (US);
Josefina T. Chapman, Houston, TX (US);
Celanese International Corporation, Dallas, TX (US);
Abstract
A method of removing impurities, such as halogens, sulfurs, and corrosion metal impurities, in an ethanol production process. Ion exchange resins may be used to remove these impurities from acetic acid feed streams and recycle streams that comprise unreacted acetic acid.