3823168

Information

• Patent Grant
• 3823168

• References
• Source

• Patent Number

  3,823,168

• Date Filed

  Not available

• Date Issued

  Tuesday, July 9, 1974
  50 years ago

• CPC

  • C09B1/50 - Amino-hydroxy-anthraquinones Ethers and esters thereof
  • C09B1/51 - N-substituted amino-hydroxy anthraquinone
  • C09B1/523 - N-substituted amino and hydroxy anthraquinone
  • Y10S8/917 - Wool or silk
  • Y10S8/924 - Polyamide fiber

• US Classifications

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