3519615

Information

• Patent Grant
• 3519615

• References
• Source

• Patent Number

  3,519,615

• Date Filed

  Not available

• Date Issued

  Tuesday, July 7, 1970
  54 years ago

• CPC

  • C09B44/02 - containing ammonium groups not directly attached to an azo group
  • C09B31/02 - Disazo dyes
  • C09B44/005 - Special process features in the quaternization reaction

• US Classifications

  • 534 - Organic compounds
  • 548 - Organic compounds