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. 03, 2007
Filed:
Aug. 13, 2004
Applicants:
Huizhen Gao, Carlsbad, NM (US);
Yifeng Wang, Albuquerque, NM (US);
Charles R. Bryan, Albuquerque, NM (US);
Inventors:
Huizhen Gao, Carlsbad, NM (US);
Yifeng Wang, Albuquerque, NM (US);
Charles R. Bryan, Albuquerque, NM (US);
Assignee:
Sandia Corporation, Albuquerque, NM (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/28 (2006.01); C02F 1/62 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for absorbing an ion from a fluid by using dispersing an organic acid into an anion surfactant solution, mixing in a divalent-metal containing compound and a trivalent-metal containing compound and calcining the resulting solid layered double hydroxide product to form an absorbent material and then contacting the absorbent material with an aqueous solution of cations or anions to be absorbed.