3918902

Information

• Patent Grant
• 3918902

• References
• Source

• Patent Number

  3,918,902

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1975
  49 years ago

• CPC

  • D06P1/922 - hydrocarbons
  • C09B1/20 - Preparation from starting materials already containing the anthracene nucleus
  • C09B1/58 - with mercapto groups substituted by aliphatic, cycloaliphatic, araliphatic or aryl radicals
  • C09B29/00 - Monoazo dyes prepared by diazotising and coupling
  • C09B29/08 - Amino benzenes
  • C09B29/0805 - free of acid groups
  • C09B29/36 - from heterocyclic compounds
  • C09B29/363 - from diazotized amino carbocyclic rings
  • C09B31/02 - Disazo dyes
  • Y10S8/922 - Polyester fiber
  • Y10S8/924 - Polyamide fiber
  • Y10S8/927 - Polyacrylonitrile fiber

• US Classifications

  • 008 - Bleaching and dyeing