3557123

Information

• Patent Grant
• 3557123

• References
• Source

• Patent Number

  3,557,123

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1971
  54 years ago

• CPC

  • C07C57/40 - containing condensed ring systems
  • C07D211/52 - having an aryl radical as the second substituent in position 4
  • C07D211/70 - with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms

• US Classifications

  • 546 - Organic compounds