1899896

Information

• Patent Grant
• 1899896

• References
• Source

• Patent Number

  1,899,896

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1933
  92 years ago

• CPC

  • C01B17/32 - Hydrosulfides of sodium or potassium

• US Classifications

  • 423 - Chemistry of inorganic compounds