3557098

Information

• Patent Grant
• 3557098

• References
• Source

• Patent Number

  3,557,098

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1971
  53 years ago

• CPC

  • C07D207/08 - with hydrocarbon radicals, substituted by hetero atoms, attached to ring carbon atoms
  • C07C63/36 - containing one carboxyl group
  • C07D207/06 - with radicals, containing only hydrogen and carbon atoms, attached to ring carbon atoms
  • C07D211/08 - with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms
  • C07D211/10 - with radicals containing only carbon and hydrogen atoms attached to ring carbon atoms
  • C07D211/14 - with hydrocarbon or substituted hydrocarbon radicals attached to the ring nitrogen atom
  • C07D211/18 - with substituted hydrocarbon radicals attached to ring carbon atoms
  • C07D211/22 - by oxygen atoms
  • C07D211/32 - by oxygen atoms
  • C07D211/70 - with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms

• US Classifications

  • 544 - Organic compounds
  • 546 - Organic compounds
  • 548 - Organic compounds
  • 564 - Organic compounds