2208172

Information

• Patent Grant
• 2208172

• References
• Source

• Patent Number

  2,208,172

• Date Filed

  Not available

• Date Issued

  Tuesday, July 16, 1940
  84 years ago

• CPC

  • B01J41/18 - Carbon, coal or tar
  • B01J41/02 - Processes using inorganic exchangers

• US Classifications

  • 210 - Liquid purification or separation
  • 252 - Compositions