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. 01, 2003
Filed:
Apr. 13, 2001
Applicant:
Inventors:
Joseph M. Kobzeff, Boulder, CO (US);
Daniel E. Mead, Spring Valley, CA (US);
Todd A. Talashek, San Diego, CA (US);
Don DiMasi, San Diego, CA (US);
Assignee:
CP Kelco U.S., Inc., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P 1/906 ; C08B 3/700 ;
U.S. Cl.
CPC ...
C12P 1/906 ; C08B 3/700 ;
Abstract
A process is disclosed for clarifying an aqueous xanthan gum solution comprising treatment of the xanthan solution with at least one chelating agent, surfactant, organic acid, or a mixture thereof, and with a protease enzyme or a lysozyme and a protease enzyme. Also disclosed is a highly purified solid xanthan gum and compositions containing the same, wherein the gum is obtained from the clarified xanthan gum solution.