2872459

Information

• Patent Grant
• 2872459

• References
• Source

• Patent Number

  2,872,459

• Date Filed

  Not available

• Date Issued

  Tuesday, February 3, 1959
  65 years ago

• CPC

  • C09B3/22 - Dibenzanthrones Isodibenzanthrones

• US Classifications

  • 552 - Organic compounds