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:
Apr. 01, 2014
Filed:
Sep. 24, 2010
Applicant:
Olan S. Fruchey, Hurricane, WV (US);
Inventor:
Olan S. Fruchey, Hurricane, WV (US);
Assignee:
BioAmber S.A.S., , FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 21/00 (2006.01); C02F 1/52 (2006.01); B03D 3/00 (2006.01); C02F 1/72 (2006.01); C02F 103/28 (2006.01);
U.S. Cl.
CPC ...
C02F 1/722 (2013.01); C02F 1/5236 (2013.01); C02F 2103/28 (2013.01); Y10S 210/917 (2013.01);
Abstract
A method of removing color bodies from a fermentation broth includes precipitating a color-forming impurity (color body) by adjusting the fermentation broth to a pH greater than about 13; filtering our precipitated color-forming impurities from the broth; and bleaching a second color impurity by treating the broth with an oxidizing agent.