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.

Date of Patent:
Dec. 06, 2016

Filed:

Mar. 14, 2014
Applicants:

Cargill, Incorporated, Wayzata, MI (US);

Dow Global Technologies Llc, Midland, MI (US);

Inventors:

Cindy Hoppe, Superior, CO (US);

Sarah M. Hoyt, Boulder, CO (US);

Robert Tengler, Longmont, CO (US);

David DeCoster, Lyons, CO (US);

Bradley Harkrader, New York, NY (US);

Patrick H. Au-Yeung, Midland, MI (US);

Sanjib Biswas, Midland, MI (US);

Pedro R. Vargas, II, Midland, MI (US);

Raymond P. Roach, Midland, MI (US);

Timothy Charles Frank, Midland, MI (US);

Assignees:

Cargill, Incorporated, Wayzata, MI (US);

Dow Global Technologies LLC, Midland, MI (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 59/01 (2006.01); B01D 1/06 (2006.01); B01D 1/22 (2006.01); B01D 5/00 (2006.01);
U.S. Cl.
CPC ...
C07C 59/01 (2013.01); B01D 1/065 (2013.01); B01D 1/222 (2013.01); B01D 5/006 (2013.01);
Abstract

Methods and systems for producing high purity 3-hydroxypropionic acid (3-HP) from an aqueous medium, such as a fermentation broth, are described. Aqueous 3-HP solution can be purified by flash evaporation wherein the 3-HP is vaporized at an elevated temperature without conversion to acrylic acid. This process can be integrated with downstream processes for producing other chemical and consumer products.


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