2012684

Information

• Patent Grant
• 2012684

• References
• Source

• Patent Number

  2,012,684

• Date Filed

  Not available

• Date Issued

  Tuesday, August 27, 1935
  89 years ago

• CPC

  • C01B31/0407 - Purification; Recovery or purification of graphite formed in iron making

• US Classifications

  • 423 - Chemistry of inorganic compounds