2242411

Information

• Patent Grant
• 2242411

• References
• Source

• Patent Number

  2,242,411

• Date Filed

  Not available

• Date Issued

  Tuesday, May 20, 1941
  83 years ago

• CPC

  • C09B5/04 - Pyrazolanthrones
  • C09B5/34 - Anthraquinone acridones or thioxanthrones

• US Classifications

  • 546 - Organic compounds
  • 549 - Organic compounds