2539192

Information

• Patent Grant
• 2539192

• References
• Source

• Patent Number

  2,539,192

• Date Filed

  Not available

• Date Issued

  Tuesday, January 23, 1951
  73 years ago

• CPC

  • C09B5/34 - Anthraquinone acridones or thioxanthrones

• US Classifications

  • 548 - Organic compounds
  • 546 - Organic compounds