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:
Feb. 04, 2014
Filed:
May. 11, 2011
Dick Nagaki, The Woodlands, TX (US);
Heiko Weiner, Pasadena, TX (US);
Josefina T. Chapman, Houston, TX (US);
Mark O. Scates, Houston, TX (US);
Alexandra S. Locke, Salt Lake City, UT (US);
Craig J. Peterson, Houston, TX (US);
Dick Nagaki, The Woodlands, TX (US);
Heiko Weiner, Pasadena, TX (US);
Josefina T. Chapman, Houston, TX (US);
Mark O. Scates, Houston, TX (US);
Alexandra S. Locke, Salt Lake City, UT (US);
Craig J. Peterson, Houston, TX (US);
Celanese International Corporation, Dallas, TX (US);
Abstract
In one embodiment, the invention is to a catalyst composition comprising vanadium, titanium; and at least one oxide additive. The at least one oxide additive is present in an amount of at least 0.1 wt % based on the total weight of the catalyst composition. The molar ratio of titanium to metal additive in an active phase of the catalyst composition is at least 0.05:1.