3900496

Information

• Patent Grant
• 3900496

• References
• Source

• Patent Number

  3,900,496

• Date Filed

  Not available

• Date Issued

  Tuesday, August 19, 1975
  49 years ago

• CPC

  • C09B1/58 - with mercapto groups substituted by aliphatic, cycloaliphatic, araliphatic or aryl radicals
  • C09B1/06 - Preparation from starting materials already containing the anthracene nucleus
  • C09B1/20 - Preparation from starting materials already containing the anthracene nucleus
  • C09B1/50 - Amino-hydroxy-anthraquinones Ethers and esters thereof
  • C09B5/00 - Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings

• US Classifications

  • 548 - Organic compounds
  • 552 - Organic compounds