1922289

Information

• Patent Grant
• 1922289

• References
• Source

• Patent Number

  1,922,289

• Date Filed

  Not available

• Date Issued

  Tuesday, August 15, 1933
  92 years ago

• CPC

  • C01B21/44 - Concentration
  • Y10S159/19 - Acid

• US Classifications

  • 203 - Distillation: processes, separatory
  • 159 - Concentrating evaporators