2302321

Information

• Patent Grant
• 2302321

• References
• Source

• Patent Number

  2,302,321

• Date Filed

  Not available

• Date Issued

  Tuesday, November 17, 1942
  82 years ago

• CPC

  • C07D405/02 - containing two hetero rings
  • C07D493/10 - Spiro-condensed systems

• US Classifications

  • 549 - Organic compounds