3872137

Information

• Patent Grant
• 3872137

• References
• Source

• Patent Number

  3,872,137

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1975
  49 years ago

• CPC

  • C09B1/26 - Dyes with amino groups substituted by hydrocarbon radicals
  • C09B1/542 - Anthraquinones with aliphatic, cycloaliphatic, araliphatic or aromatic ether groups
  • C09B1/58 - with mercapto groups substituted by aliphatic, cycloaliphatic, araliphatic or aryl radicals
  • C09B62/80 - Anthracene dyes

• US Classifications

  • 552 - Organic compounds