2121731

Information

• Patent Grant
• 2121731

• References
• Source

• Patent Number

  2,121,731

• Date Filed

  Not available

• Date Issued

  Tuesday, June 21, 1938
  86 years ago

• CPC

  • C08B11/22 - Isolation

• US Classifications

  • 203 - Distillation: processes, separatory
  • 008 - Bleaching and dyeing
  • 536 - Organic compounds