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. 15, 2016
Filed:
Aug. 22, 2014
Applicant:
Archer Daniels Midland Company, Decatur, IL (US);
Inventors:
Mitchell Jo Schultz, Decatur, IL (US);
Thomas P. Binder, Decatur, IL (US);
Naveen Sudharsan, Decatur, IL (US);
Assignee:
Archer Daniels Midland Company, Decatur, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/47 (2006.01); C07C 67/56 (2006.01); C07C 51/36 (2006.01); C07C 51/377 (2006.01); C07C 67/303 (2006.01); B01D 15/38 (2006.01); C07B 63/00 (2006.01); B01D 15/18 (2006.01); B01D 15/36 (2006.01); C07C 67/317 (2006.01); C07C 45/52 (2006.01); C07C 51/215 (2006.01); C07C 51/25 (2006.01);
U.S. Cl.
CPC ...
C07C 51/47 (2013.01); B01D 15/1821 (2013.01); B01D 15/364 (2013.01); C07B 63/00 (2013.01); C07C 45/52 (2013.01); C07C 51/215 (2013.01); C07C 51/252 (2013.01); C07C 51/36 (2013.01); C07C 51/377 (2013.01); C07C 67/303 (2013.01); C07C 67/317 (2013.01); C07C 67/56 (2013.01);
Abstract
A process is provided for chromatographically separating propionic acid from acrylic acid. By means of the inventive process, a reduced propionic acid content acrylic acid product is enabled having a propionic acid content comparable to acrylic acid products from the conventional two stage oxidation of propylene, but wherein the acrylic acid has been produced with a higher propionic acid content by alternative methods.