2688635

Information

• Patent Grant
• 2688635

• References
• Source

• Patent Number

  2,688,635

• Date Filed

  Not available

• Date Issued

  Tuesday, September 7, 1954
  70 years ago

• CPC

  • C07C49/90 - Ketene
  • C07C45/89 - from carboxylic acids, their anhydrides, esters or halides
  • C07C51/56 - from organic acids, their salts, their esters or their halides

• US Classifications

  • 562 - Organic compounds
  • 203 - Distillation: processes, separatory
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
  • 560 - Organic compounds
  • 568 - Organic compounds