2640804

Information

• Patent Grant
• 2640804

• References
• Source

• Patent Number

  2,640,804

• Date Filed

  Not available

• Date Issued

  Tuesday, June 2, 1953
  71 years ago

• CPC

  • C07C7/14808 - with non-metals as element

• US Classifications

  • 203 - Distillation: processes, separatory
  • 568 - Organic compounds
  • 585 - Chemistry of hydrocarbon compounds