1894720

Information

• Patent Grant
• 1894720

• References
• Source

• Patent Number

  1,894,720

• Date Filed

  Not available

• Date Issued

  Tuesday, January 17, 1933
  92 years ago

• CPC

  • C01B17/907 - Removal of arsenic

• US Classifications

  • 423 - Chemistry of inorganic compounds