2242585

Information

• Patent Grant
• 2242585

• References
• Source

• Patent Number

  2,242,585

• Date Filed

  Not available

• Date Issued

  Tuesday, May 20, 1941
  83 years ago

• CPC

  • C07D221/18 - Ring systems of four or more rings
  • C09B5/34 - Anthraquinone acridones or thioxanthrones

• US Classifications

  • 546 - Organic compounds