3488259

Information

• Patent Grant
• 3488259

• References
• Source

• Patent Number

  3,488,259

• Date Filed

  Not available

• Date Issued

  Tuesday, January 6, 1970
  55 years ago

• CPC

  • C10B21/22 - by introducing the heating gas and air at various levels
  • Y02P20/129 - Energy recovery

• US Classifications

  • 202 - Distillation: apparatus
  • 431 - Combustion