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. 25, 2014
Filed:
Apr. 14, 2011
Olan S. Fruchey, Hurricane, WV (US);
Leo E. Manzer, Wilmington, DE (US);
Dilum Dunuwila, Princeton, NJ (US);
Brian T. Keen, Pinch, WV (US);
Brooke A. Albin, Charleston, WV (US);
Nye A. Clinton, Hurricane, WV (US);
Bernard D. Dombek, Charleston, WV (US);
Olan S. Fruchey, Hurricane, WV (US);
Leo E. Manzer, Wilmington, DE (US);
Dilum Dunuwila, Princeton, NJ (US);
Brian T. Keen, Pinch, WV (US);
Brooke A. Albin, Charleston, WV (US);
Nye A. Clinton, Hurricane, WV (US);
Bernard D. Dombek, Charleston, WV (US);
BioAmber Inc., Plymouth, MN (US);
Abstract
A process for making MAA from a clarified DAA-containing fermentation broth includes (a) distilling the broth to form an overhead that includes water and ammonia, and a liquid bottoms that includes MAA, at least some DAA, and at least about 20 wt. % water; (b) cooling the bottoms to a temperature sufficient to cause the bottoms to separate into a DAA-containing liquid portion in contact with a MAA-containing solid portion that is substantially free of DAA; (c) separating the solid portion from the liquid portion; and (d) recovering the solid portion.