1926744

Information

• Patent Grant
• 1926744

• References
• Source

• Patent Number

  1,926,744

• Date Filed

  Not available

• Date Issued

  Tuesday, September 12, 1933
  91 years ago

• CPC

  • C01F7/0693 - from waste-like raw materials

• US Classifications

  • 423 - Chemistry of inorganic compounds