3720667

Information

• Patent Grant
• 3720667

• References
• Source

• Patent Number

  3,720,667

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1973
  51 years ago

• CPC

  • C07J71/0057 - Nitrogen and oxygen
  • C07J43/003 - not condensed

• US Classifications

  • 540 - Organic compounds