2141297

Information

• Patent Grant
• 2141297

• References
• Source

• Patent Number

  2,141,297

• Date Filed

  Not available

• Date Issued

  Tuesday, December 27, 1938
  86 years ago

• CPC

  • C10G17/10 - recovery of used refining agents

• US Classifications

  • 208 - Mineral oils: processes and products
  • 423 - Chemistry of inorganic compounds