1571648

Information

• Patent Grant
• 1571648

• References
• Source

• Patent Number

  1,571,648

• Date Filed

  Not available

• Date Issued

  Tuesday, February 2, 1926
  99 years ago

• CPC

  • C01B7/0725 - by active carbon

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 210 - Liquid purification or separation