3419475

Information

• Patent Grant
• 3419475

• References
• Source

• Patent Number

  3,419,475

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1968
  56 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