2143286

Information

• Patent Grant
• 2143286

• References
• Source

• Patent Number

  2,143,286

• Date Filed

  Not available

• Date Issued

  Tuesday, January 10, 1939
  86 years ago

• CPC

  • C01B17/168 - Purification
  • C01B17/32 - Hydrosulfides of sodium or potassium

• US Classifications

  • 423 - Chemistry of inorganic compounds