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:
Sep. 01, 2015
Filed:
Sep. 10, 2012
Scott Han, Lawrenceville, NJ (US);
Christopher D. Frick, Pottstown, PA (US);
Dmitri A. Kraptchetov, Lansdale, PA (US);
Daniel J. Martenak, Perkasie, PA (US);
Nelson I. Quiros, Houston, TX (US);
Timothy J. Donnelly, Jamison, PA (US);
Scott Han, Lawrenceville, NJ (US);
Christopher D. Frick, Pottstown, PA (US);
Dmitri A. Kraptchetov, Lansdale, PA (US);
Daniel J. Martenak, Perkasie, PA (US);
Nelson I. Quiros, Houston, TX (US);
Timothy J. Donnelly, Jamison, PA (US);
Abstract
The application concerns a process comprising: (A) contacting a gas comprising oxygen, propane and propylene with at least one catalyst under reaction conditions sufficient to at least partially convert the propylene into a final product comprising acrylic acid; (B) feeding said final product to a separation column, in which the final product is split into a liquid stream, which is rich in acrylic acid, and a gaseous by-product stream comprising propane and propylene in a volume ratio of from 99.9:0.1 to 95:5; (C) contacting the gaseous by-product stream with oxygen in the presence of a catalyst under reaction conditions sufficient to at least partially convert propane to acrylic acid.