3489773

Information

• Patent Grant
• 3489773

• References
• Source

• Patent Number

  3,489,773

• Date Filed

  Not available

• Date Issued

  Tuesday, January 13, 1970
  55 years ago

• CPC

  • C09B5/02 - the heterocyclic ring being only condensed in peri position
  • C09B1/36 - Dyes with acylated amino groups
  • C09B1/38 - Urea and thiourea derivatives
  • C09B1/516 - N-acylated derivatives
  • C09B1/542 - Anthraquinones with aliphatic, cycloaliphatic, araliphatic or aromatic ether groups
  • C09B1/58 - with mercapto groups substituted by aliphatic, cycloaliphatic, araliphatic or aryl radicals
  • Y10S8/921 - Cellulose ester or ether
  • Y10S8/922 - Polyester fiber

• US Classifications

  • 549 - Organic compounds
  • 008 - Bleaching and dyeing
  • 548 - Organic compounds