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Ion exchange polymers for anion separations

United States Patent

*** EXPIRED ***
5,670,550
September 23, 1997
View the Complete Patent at the US Patent & Trademark Office
Los Alamos National Laboratory - Visit the Technology Transfer Division Website
Anion exchange resins including at least two positively charged sites and a ell-defined spacing between the positive sites are provided together with a process of removing anions or anionic metal complexes from aqueous solutions by use of such resins. The resins can be substituted poly(vinylpyridine) and substituted polystyrene.
Jarvinen; Gordon D. (Los Alamos, NM), Marsh; S. Fredric (Los Alamos, NM), Bartsch; Richard A. (Lubbock, TX)
The Regents of the University of California Office of Technology Transfer (Alameda, CA)
08/ 476,964
June 7, 1995
FIELD OF THE INVENTION The present invention relates to ion exchange resins and to a process of separating anions, including anionic metal complexes, using such ion exchange resins. This invention is the result of a contract with the United States Department of Energy (Contract No. W-7405-ENG-36).