2040099

Information

• Patent Grant
• 2040099

• References
• Source

• Patent Number

  2,040,099

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1936
  89 years ago

• CPC

  • C07C37/007 - from the tar industry

• US Classifications

  • 568 - Organic compounds
  • 203 - Distillation: processes, separatory