3721097

Information

• Patent Grant
• 3721097

• References
• Source

• Patent Number

  3,721,097

• Date Filed

  Not available

• Date Issued

  Tuesday, March 20, 1973
  51 years ago

• CPC

  • F25J3/06 - by partial condensation
  • Y10S62/934 - From nitrogen

• US Classifications

  • 062 - Refrigeration
  • 134 - Cleaning and liquid contact with solids