1858135

Information

• Patent Grant
• 1858135

• References
• Source

• Patent Number

  1,858,135

• Date Filed

  Not available

• Date Issued

  Tuesday, May 10, 1932
  92 years ago

• CPC

  • C10B1/04 - Vertical retorts
  • C10B21/08 - by applying special heating gases

• US Classifications

  • 201 - Distillation: processes, thermolytic
  • 202 - Distillation: apparatus
  • 203 - Distillation: processes, separatory