2831871

Information

• Patent Grant
• 2831871

• References
• Source

• Patent Number

  2,831,871

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1958
  67 years ago

• CPC

  • C09B3/30 - Preparation from starting materials already containing the dibenzanthrone or isodibenzanthrone nucleus

• US Classifications

  • 552 - Organic compounds