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:
Jan. 07, 2014

Filed:

Mar. 18, 2011
Applicants:

Olan S. Fruchey, Hurricane, WV (US);

Brian T. Keen, Pinch, WV (US);

Brooke A. Albin, Charleston, WV (US);

Nye A. Clinton, Hurricane, WV (US);

Dilum Dunuwila, Princeton, NJ (US);

Bernard D. Dombek, Charleston, WV (US);

Inventors:

Olan S. Fruchey, Hurricane, WV (US);

Brian T. Keen, Pinch, WV (US);

Brooke A. Albin, Charleston, WV (US);

Nye A. Clinton, Hurricane, WV (US);

Dilum Dunuwila, Princeton, NJ (US);

Bernard D. Dombek, Charleston, WV (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 55/00 (2006.01); C07C 51/42 (2006.01);
U.S. Cl.
CPC ...
Abstract

Processes for making monoammonium succinate (MAS) and/or succinic acid (SA) from either a clarified diammonium succinate (DAS)-containing fermentation broth or a clarified MAS-containing fermentation broth include (a) distilling the broth to form an overhead that includes water and optionally ammonia and a liquid bottoms that includes MAS or SA; (b) cooling and/or evaporating the bottoms and optionally adding an antisolvent to the bottoms to attain a temperature and composition sufficient to cause the bottoms to produce a solid portion that contains MAS or SA in contact with a liquid portion; (c) separating the solid portion from the liquid portion; and (d) recovering the solid portion.


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