1315952

Information

• Patent Grant
• 1315952

• References
• Source

• Patent Number

  1,315,952

• Date Filed

  Not available

• Date Issued

  Tuesday, September 16, 1919
  107 years ago

• CPC

  • C01B17/44 - by reduction of sulfates

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 432 - Heating