2993917

Information

• Patent Grant
• 2993917

• References
• Source

• Patent Number

  2,993,917

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1961
  63 years ago

• CPC

  • C09B1/514 - N-aryl derivatives
  • C09B1/5145 - only amino and hydroxy groups
  • D06P1/20 - Anthraquinone dyes

• US Classifications

  • 552 - Organic compounds
  • 008 - Bleaching and dyeing