2453619

Information

• Patent Grant
• 2453619

• References
• Source

• Patent Number

  2,453,619

• Date Filed

  Not available

• Date Issued

  Tuesday, November 9, 1948
  76 years ago

• CPC

  • C07C49/537 - to a five-membered ring
  • C07C45/76 - with the aid of ketenes
  • C07C49/203 - with only carbon-to-carbon double bonds as unsaturation
  • C07C49/303 - to a six-membered ring
  • C07C49/543 - to a six-membered ring
  • C10L1/1814 - Chelates

• US Classifications

  • 568 - Organic compounds