1897394

Information

• Patent Grant
• 1897394

• References
• Source

• Patent Number

  1,897,394

• Date Filed

  Not available

• Date Issued

  Tuesday, February 14, 1933
  91 years ago

• CPC

  • C04B11/032 - for the wet process, e.g. dehydrating in solution or under saturated vapour conditions

• US Classifications

  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
  • 034 - Drying and gas or vapor contact with solids