1877790

Information

• Patent Grant
• 1877790

• References
• Source

• Patent Number

  1,877,790

• Date Filed

  Not available

• Date Issued

  Tuesday, September 20, 1932
  92 years ago

• CPC

  • C07C225/34 - Amino anthraquinones
  • C09B1/16 - Amino-anthraquinones

• US Classifications

  • 552 - Organic compounds