Patent · US Expired

Method of preparing a mixture of ion exchange resins

US4252905A · kind A · utility

3Cited by
8References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 6, 1979
Grant dateFeb 24, 1981
Priority date
Expiry dateJul 6, 1999

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J47/133
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A method of preparing a mixture of cation and anion exchange resins in the size range of about 10 to 250 microns, comprising combining cation exchange resins and anion exchange resins of a size larger than 60 mesh and grinding the combination of anion and cation exchange resins to a size range of about 10 to 250 microns.

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