2224984

Information

• Patent Grant
• 2224984

• References
• Source

• Patent Number

  2,224,984

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1940
  84 years ago

• CPC

  • C11B3/14 - with the use of indifferent gases or vapours
  • C11C1/106 - inert gases or vapors

• US Classifications

  • 554 - Organic compounds
  • 159 - Concentrating evaporators
  • 202 - Distillation: apparatus
  • 203 - Distillation: processes, separatory
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing