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. 05, 2013
Filed:
Apr. 01, 2011
Applicants:
Radmila Jevtic, Pasadena, TX (US);
Victor J. Johnston, Houston, TX (US);
R. Jay Warner, Houston, TX (US);
John Potts, Angleton, TX (US);
Stephen Kerlegon, League City, TX (US);
Inventors:
Radmila Jevtic, Pasadena, TX (US);
Victor J. Johnston, Houston, TX (US);
R. Jay Warner, Houston, TX (US);
John Potts, Angleton, TX (US);
Stephen Kerlegon, League City, TX (US);
Assignee:
Celanese International Corporation, Dallas, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 29/149 (2006.01);
U.S. Cl.
CPC ...
Abstract
Monitoring and recycling gases from acetic acid hydrogenation reaction to maintain a constant pressure in the hydrogenation reaction system. Purging of the vapor stream comprising hydrogen may be limited or reduced. Further purging of the by-product may be from the dissolved by-product gases.