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:
Jan. 13, 2015
Filed:
Feb. 26, 2010
Applicants:
James M Harris, Menlo Park, CA (US);
Sharad Hajela, San Carlos, CA (US);
Inventors:
James M Harris, Menlo Park, CA (US);
Sharad Hajela, San Carlos, CA (US);
Assignee:
Crystal Clear Technologies, Inc., Portland, OR (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 20/24 (2006.01); B01J 20/22 (2006.01); B01J 20/06 (2006.01); B01J 20/08 (2006.01); B01J 20/10 (2006.01); B01J 20/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
An adsorbent for removing compounds from a fluid comprising chitosan and one or more additional materials to enable selectivity of compounds removed. A chitosan based adsorbent is functionalized and cross linked to a predetermined degree to enhance its capacity and selectivity for various molecules and/or ions.