1891294

Information

• Patent Grant
• 1891294

• References
• Source

• Patent Number

  1,891,294

• Date Filed

  Not available

• Date Issued

  Tuesday, December 20, 1932
  92 years ago

• CPC

  • C01G28/008 - Sulfides

• US Classifications

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