3331831

Information

• Patent Grant
• 3331831

• References
• Source

• Patent Number

  3,331,831

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1967
  57 years ago

• CPC

  • C09B26/04 - cationic
  • C09B44/123 - in a five-membered ring
  • C09B57/06 - Naphtholactam dyes

• US Classifications

  • 534 - Organic compounds
  • 106 - Compositions: coating or plastic
  • 548 - Organic compounds