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US 11,691,140 B2Granted
Method for the preparation of controlled porosity supports for chromatographic separation
AssigneeUWM Research Foundation, Inc.
InventorsMark Dietz, Abdul Momen, Charles Smith
Life of this patent
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Abstract
Disclosed herein are extraction chromatographic supports comprising a porous support, an inert filler, and metal ion binding extractant that may be used for chromatographic separation of metal ions. Also disclosed herein are methods for preparing and using the extraction chromatographic supports.
Claims20
An extraction chromatographic (EXC) support comprising:
- (a) a porous support comprising pores;
- the pores comprising small pores (<4 nm), intermediate pores (4-20 nm), and large pores (>20 nm);
- (b) an inert filler of the porous polymer support;
- and
- (c) a metal ion binding extractant;
- wherein the small pores are impregnated with the filler and the intermediate and/or large pores are impregnated with the metal ion binding extractant.
3 more elements
Dependencies are inferred from the claim text.