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. 24, 2015
Filed:
Oct. 25, 2011
Jessica Freeman, Pasadena, TX (US);
Qiang Yao, Baton Rouge, LA (US);
Lauren Moore, Webster, TX (US);
Ilias Kotsianis, Houston, TX (US);
Victor Johnston, Houston, TX (US);
Kevin Hanks, League City, TX (US);
Jessica Freeman, Pasadena, TX (US);
Qiang Yao, Baton Rouge, LA (US);
Lauren Moore, Webster, TX (US);
Ilias Kotsianis, Houston, TX (US);
Victor Johnston, Houston, TX (US);
Kevin Hanks, League City, TX (US);
Celanese International Corporation, Irving, TX (US);
Abstract
In one embodiment, the invention is to a method for producing a vinyl acetate composition. The method comprises the step of contacting acetic acid, oxygen, and ethylene under conditions effective to form a crude vinyl acetate composition comprising vinyl acetate, acetic acid, residual oxygen, and water. The method further comprises the step of contacting the crude vinyl acetate composition or a derivative thereof with at least one scavenger to form a treated crude vinyl acetate composition.