3274198

Information

• Patent Grant
• 3274198

• References
• Source

• Patent Number

  3,274,198

• Date Filed

  Not available

• Date Issued

  Tuesday, September 20, 1966
  58 years ago

• CPC

  • C09B62/467 - Anthracene dyes
  • C09B1/002 - containing onium groups
  • C09B1/207 - Dyes with amino groups and with onium groups
  • C09B1/501 - containing onium groups
  • C09B1/547 - Anthraquinones with aromatic ether groups
  • C09B1/565 - Mercaptoanthraquinones containing onium groups
  • C09B1/585 - substituted by aryl radicals
  • C09B5/00 - Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings
  • C09B5/14 - Benz-azabenzanthrones (anthrapyridones)
  • C09B5/36 - Amino acridones

• US Classifications

  • 546 - Organic compounds
  • 552 - Organic compounds