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. 02, 2007
Filed:
Jan. 27, 2003
Applicants:
E. Philip Horwitz, Naperville, IL (US);
Richard E. Barrans, Jr., Downers Grove, IL (US);
Andrew H. Bond, Hoffman Estates, IL (US);
Inventors:
E. Philip Horwitz, Naperville, IL (US);
Richard E. Barrans, Jr., Downers Grove, IL (US);
Andrew H. Bond, Hoffman Estates, IL (US);
Assignee:
.PG Research Foundation, Inc., Darien, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 31/00 (2006.01); B01D 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A separation medium, a method for using that separation medium and an apparatus for selectively extracting multivalent cations such as pseudo-lanthanide, prelanthanide, lanthanide, preactinide or actinide cations from an aqueous acidic sample solution is described. The separation medium is preferably free-flowing and comprises particles having a diglycolamide (DGA) extractant dispersed onto an inert, porous support.