3486837

Information

• Patent Grant
• 3486837

• References
• Source

• Patent Number

  3,486,837

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1969
  55 years ago

• CPC

  • C09B1/58 - with mercapto groups substituted by aliphatic, cycloaliphatic, araliphatic or aryl radicals
  • C09B1/20 - Preparation from starting materials already containing the anthracene nucleus
  • C09B1/473 - the acyl groups being residues of a sulfonic acid
  • C09B1/50 - Amino-hydroxy-anthraquinones Ethers and esters thereof
  • Y10S8/921 - Cellulose ester or ether
  • Y10S8/933 - Thermosol dyeing, thermofixation or dry heat fixation or development

• US Classifications

  • 008 - Bleaching and dyeing
  • 552 - Organic compounds