3689217

Information

• Patent Grant
• 3689217

• References
• Source

• Patent Number

  3,689,217

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1972
  52 years ago

• CPC

  • B01J41/04 - Processes using organic exchangers
  • C01B17/904 - by ion-exchange

• US Classifications

  • 423 - Chemistry of inorganic compounds