Patent · US Expired

Ion exchange porous resins for solid phase extraction and chromatography

US7232520B1 · kind B1 · utility

9Cited by
28References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 10, 1999
Grant dateJun 19, 2007
Priority date
Expiry dateJun 10, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F2800/20
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Embodiments of the present invention are directed to porous resins for solid phase extractions. The resins feature at least one hydrophobic component, at least one hydrophilic component and at least one ion exchange functional group. The resins exhibit superior wetting and ion exchange performance.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.