2872491

Information

• Patent Grant
• 2872491

• References
• Source

• Patent Number

  2,872,491

• Date Filed

  Not available

• Date Issued

  Tuesday, February 3, 1959
  65 years ago

• CPC

  • C07C29/06 - the acid being sulfuric acid

• US Classifications

  • 568 - Organic compounds
  • 201 - Distillation: processes, thermolytic
  • 203 - Distillation: processes, separatory