3707481

Information

• Patent Grant
• 3707481

• References
• Source

• Patent Number

  3,707,481

• Date Filed

  Not available

• Date Issued

  Tuesday, December 26, 1972
  52 years ago

• CPC

  • C07D307/79 - with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals directly attached to carbon atoms of the hetero ring
  • C07D209/08 - with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to carbon atoms of the hetero ring
  • C07D215/06 - having only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, attached to the ring nitrogen atom
  • C07D311/10 - unsubstituted
  • C07D311/14 - substituted in position 6 and unsubstituted in position 7
  • C07D311/76 - Benzo[c]pyrans

• US Classifications

  • 549 - Organic compounds
  • 512 - Perfume compositions
  • 546 - Organic compounds
  • 548 - Organic compounds
  • 585 - Chemistry of hydrocarbon compounds