3732256

Information

• Patent Grant
• 3732256

• References
• Source

• Patent Number

  3,732,256

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1973
  51 years ago

• CPC

  • C07D209/58 - [b]- or [c]-condensed
  • C07C61/125 - having a carboxyl group bound to a condensed ring system
  • C07D307/77 - ortho- or peri-condensed with carbocyclic rings or ring systems
  • C08G73/14 - Polyamide-imides

• US Classifications

  • 549 - Organic compounds