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:
Jul. 06, 2010
Filed:
Mar. 15, 2007
Hideki Murata, Yamaguchi, JP;
Hiroshi Nagano, Yamaguchi, JP;
Hideki Murata, Yamaguchi, JP;
Hiroshi Nagano, Yamaguchi, JP;
Kyowa Hakko Bio Co., Ltd., Tokyo, JP;
Abstract
In the method for separating and purifying a basic amino acid, preferably the basic amino acid selected from arginine, lysine or ornithine from a culture containing the amino acid, the culture containing the a basic amino acid and microbial cells, preferably the culture whose pH is 4 to 10, is charged onto the top of a column filled with a weak acid cation exchange resin whose particle size is 300 μm or more and passed therethrough, and then an eluent is poured into the column from the top thereof whereby accomplishing the separation and the purification of the basic amino acid.