Patent · US Expired

Particulate material suitable for selectively separating metal cations from aqueous solutions, process for its production, and use thereof

US5015448A · kind A · utility

13Cited by

6References

26Claims

0Family size

Assignee

GUTEC, Gesellschaft zur Entwicklung von Umweltschutztechnologie mbH · DE

Inventors

Klaus-Dieter Vorlop · Braunschweig, DE
Michael Sell · Peine, DE

Key dates

Filing date	Oct 26, 1988
Grant date	May 14, 1991
Priority date	—
Expiry date	Oct 26, 2008

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P10/20
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

The invention relates to particulate material for separation of metal cations from aqueous solutions. These particles contain complexing agents dispersed in a continuous aqueous phase which is embedded in or is a constituent of a hydrophilic gel and/or is encapsulated by a water-insoluble, ion-permeable shell.

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