2803888

Information

• Patent Grant
• 2803888

• References
• Source

• Patent Number

  2,803,888

• Date Filed

  Not available

• Date Issued

  Tuesday, August 27, 1957
  67 years ago

• CPC

  • F26B5/06 - the process involving freezing
  • Y10S159/11 - Biologicals
  • Y10S159/16 - Vacuum

• US Classifications

  • 034 - Drying and gas or vapor contact with solids
  • 062 - Refrigeration
  • 159 - Concentrating evaporators