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:
Feb. 21, 2012
Filed:
Mar. 15, 2007
Applicants:
Hideki Murata, Yamaguchi, JP;
Noboru Fujii, Ibaraki, JP;
Kenji Tajima, Yamaguchi, JP;
Inventors:
Assignee:
Kyowa Hakko Bio Co., Ltd., , JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C12P 13/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
In the method for separating and purifying histidine from a culture containing the amino acid, the culture containing histidine and microbial cells is charged onto the top of a column filled with a carrier particle whose particle size is 420 μm or more and which has an ability to adsorb histidine and then an eluent is passed through the column whereby accomplishing the separation and purification of histidine, and preferably in the step mentioned above, a strong acid cation exchange resin is employed as a carrier particle whereby accomplishing the separation and purification of histidine.