3502425

Information

• Patent Grant
• 3502425

• References
• Source

• Patent Number

  3,502,425

• Date Filed

  Not available

• Date Issued

  Tuesday, March 24, 1970
  54 years ago

• CPC

  • D06P1/127 - using a stabilised diazo component
  • C09B35/04 - the tetrazo component being a benzene derivative
  • C09B35/08 - the tetrazo component being a derivative of biphenyl
  • C09B35/14 - from hydroxy compounds
  • C09B41/00 - Special methods of performing the coupling reaction

• US Classifications

  • 008 - Bleaching and dyeing