3641156

Information

• Patent Grant
• 3641156

• References
• Source

• Patent Number

  3,641,156

• Date Filed

  Not available

• Date Issued

  Tuesday, February 8, 1972
  52 years ago

• CPC

  • C07D319/06 - not condensed with other rings
  • C07C49/242 - containing rings other than six-membered aromatic rings
  • C07C49/258 - containing -CHO groups
  • C07D303/32 - by aldehydo- or ketonic radicals
  • C07D303/36 - with hydrocarbon radicals substituted by nitrogen atoms
  • C07D317/12 - with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms
  • C07D317/20 - Free hydroxyl or mercaptan
  • C07D317/30 - Radicals substituted by carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen
  • C07C2101/16 - The ring being unsaturated

• US Classifications

  • 568 - Organic compounds
  • 204 - Chemistry: electrical and wave energy
  • 549 - Organic compounds
  • 558 - Organic compounds
  • 560 - Organic compounds
  • 562 - Organic compounds