Patent · US Expired

Apparatus containing phosphate selective resin

US7214316B2 · kind B2 · utility

2Cited by
1References
20Claims
0Family size

Inventor

Key dates

Filing dateJan 17, 2006
Grant dateMay 8, 2007
Priority date
Expiry dateJan 17, 2026

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F8/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

An apparatus containing crosslinked polymer for binding phosphate anions is provided, the polymer comprises a polyvalent cation attached to the polymer through at least one covalently bound anionic functional group, and wherein the anionic group is selected from a group consisting of sulfonate, carboxylate, phosphonate and mixtures thereof and wherein the cation is selected from a group consisting of aluminum, calcium, magnesium, molybdenum, manganese, titanium, barium, strontium, zirconium, vanadium, scandium, lanthanum, yttrium, cerium, nickel, iron, copper, cobalt, chromium, zinc and mixtures thereof.

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