3859172

Information

• Patent Grant
• 3859172

• References
• Source

• Patent Number

  3,859,172

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1975
  50 years ago

• CPC

  • F27B9/18 - under the action of scrapers or pushers
  • C10B7/02 - with rotary scraping devices
  • C10B31/02 - for charging vertically

• US Classifications

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