3834993

Information

• Patent Grant
• 3834993

• References
• Source

• Patent Number

  3,834,993

• Date Filed

  Not available

• Date Issued

  Tuesday, September 10, 1974
  50 years ago

• CPC

  • C10B21/22 - by introducing the heating gas and air at various levels

• US Classifications

  • 202 - Distillation: apparatus