Patent · US Expired

Method for purifying liquids

US5024767A · kind A · utility

13Cited by
3References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 3, 1990
Grant dateJun 18, 1991
Priority date
Expiry dateJan 3, 2010

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J47/127
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The present invention relates to a method for purification of liquids. Fur particulars, the present invention relates to a method for purifying more precisely liquids in atomic power related fields, using a mixture of a polymer in which carboxyl groups are grafted onto a polyamide or a polyester as a cation exchanger and an anion exchanger.

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