3431177

Information

• Patent Grant
• 3431177

• References
• Source

• Patent Number

  3,431,177

• Date Filed

  Not available

• Date Issued

  Tuesday, March 4, 1969
  55 years ago

• CPC

  • C10B21/22 - by introducing the heating gas and air at various levels
  • C10B5/16 - with separated flues

• US Classifications

  • 202 - Distillation: apparatus