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. 29, 2014
Filed:
Mar. 11, 2011
Applicants:
Yu Liu, Lake Jackson, TX (US);
Albert E. Schweizer, Jr., Port St. Lucie, FL (US);
Andrzej M. Malek, Midland, MI (US);
Inventors:
Yu Liu, Lake Jackson, TX (US);
Albert E. Schweizer, Jr., Port St. Lucie, FL (US);
Andrzej M. Malek, Midland, MI (US);
Assignee:
Dow Global Technologies LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 1/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for converting an oxygenate-containing feedstock to a product comprising olefins comprises including in the oxygenate-containing feedstock an amount of ammonia. The presence of the ammonia increases the product's ratio of ethylene to propylene.