Patent · US Expired

Agent for capturing substance having anionic substituent

US7473781B2 · kind B2 · utility

0Cited by
1References
31Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 4, 2004
Grant dateJan 6, 2009
Priority date
Expiry dateNov 3, 2025

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J2220/58
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A polymer carrier to which a prescribed zinc complex group is binding directly or through a spacer, having property to bond, under a certain condition, to an anionic substituent (a phosphate group, for example), showing low solubility to a solvent (preferably insolubility to a solvent) as a whole, and being capable of capturing, separating and purifying easily a substance having an anionic substituent (a phosphate group, for example).

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