3519656

Information

• Patent Grant
• 3519656

• References
• Source

• Patent Number

  3,519,656

• Date Filed

  Not available

• Date Issued

  Tuesday, July 7, 1970
  54 years ago

• CPC

  • C09B6/00 - Anthracene dyes not provided for above
  • C09B1/20 - Preparation from starting materials already containing the anthracene nucleus
  • C09B1/26 - Dyes with amino groups substituted by hydrocarbon radicals
  • C09B1/34 - sulfonated
  • C09B1/51 - N-substituted amino-hydroxy anthraquinone
  • C09B1/514 - N-aryl derivatives
  • C09B1/523 - N-substituted amino and hydroxy anthraquinone
  • C09B1/547 - Anthraquinones with aromatic ether groups
  • C09B1/585 - substituted by aryl radicals
  • C09B62/467 - Anthracene dyes
  • Y10S8/917 - Wool or silk

• US Classifications

  • 552 - Organic compounds
  • 008 - Bleaching and dyeing