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:
May. 15, 2012

Filed:

Aug. 20, 2008
Applicants:

Hua Bai, Taizhou, CN;

Peijie Yang, Ningbo, CN;

Zhengjie Chen, Taizhou, CN;

Chongyang Xu, Taizhou, CN;

Zhaorul LI, Taizhou, CN;

Zigang Zhao, Taizhou, CN;

Luyan Jiang, Taizhou, CN;

Zongyi Yang, Taizhou, CN;

Jiang LI, Taizhou, CN;

Inventors:

Hua Bai, Taizhou, CN;

Peijie Yang, Ningbo, CN;

Zhengjie Chen, Taizhou, CN;

Chongyang Xu, Taizhou, CN;

Zhaorul Li, Taizhou, CN;

Zigang Zhao, Taizhou, CN;

Luyan Jiang, Taizhou, CN;

Zongyi Yang, Taizhou, CN;

Jiang Li, Taizhou, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 227/00 (2006.01); C07C 273/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Processes for producing a suitable purity grade of L-Citrulline are disclosed. The processes can include contacting crude L-Citrulline in an aqueous solution with an adsorptive medium at a temperature above approximately 50° C. and below the temperature of denaturement for the L-Citrulline for an interval sufficient to remove at least one contaminant from the L-Citrulline. The processes can also include concentrating the dissolved L-Citrulline relative to the aqueous solution.


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