3823169

Information

• Patent Grant
• 3823169

• References
• Source

• Patent Number

  3,823,169

• Date Filed

  Not available

• Date Issued

  Tuesday, July 9, 1974
  50 years ago

• CPC

  • C09B1/207 - Dyes with amino groups and with onium groups
  • C09B1/285 - Dyes with no other substituents than the amino groups
  • Y10S8/921 - Cellulose ester or ether
  • Y10S8/922 - Polyester fiber
  • Y10S8/927 - Polyacrylonitrile fiber

• US Classifications

  • 552 - Organic compounds
  • 008 - Bleaching and dyeing
  • 544 - Organic compounds
  • 546 - Organic compounds
  • 548 - Organic compounds