1878050

Information

• Patent Grant
• 1878050

• References
• Source

• Patent Number

  1,878,050

• Date Filed

  Not available

• Date Issued

  Tuesday, September 20, 1932
  91 years ago

• CPC

  • C09B5/06 - Benzanthronyl-pyrazolanthrone condensation products

• US Classifications

  • 546 - Organic compounds