3687975

Information

• Patent Grant
• 3687975

• References
• Source

• Patent Number

  3,687,975

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1972
  52 years ago

• CPC

  • C07D493/04 - Ortho-condensed systems
  • C07D307/94 - spiro-condensed with carbocyclic rings or ring systems
  • C07D313/06 - condensed with carbocyclic rings or ring systems
  • C07D337/06 - condensed with carbocyclic rings or ring systems

• US Classifications

  • 549 - Organic compounds
  • 564 - Organic compounds
  • 568 - Organic compounds