3464780

Information

• Patent Grant
• 3464780

• References
• Source

• Patent Number

  3,464,780

• Date Filed

  Not available

• Date Issued

  Tuesday, September 2, 1969
  55 years ago

• CPC

  • D06P1/22 - using vat dyestuffs including indigo
  • C09B1/20 - Preparation from starting materials already containing the anthracene nucleus
  • C09B1/36 - Dyes with acylated amino groups
  • C09B1/42 - the acyl groups being residues of an aromatic carboxylic acid
  • C09B1/48 - Anthrimides
  • C09B3/00 - Dyes with an anthracene nucleus condensed with one or more carbocyclic rings
  • C09B5/00 - Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings
  • C09B5/62 - Cyclic imides or amidines of peri-dicarboxylic acids of the anthracene, benzanthrene, or perylene series
  • C09B7/00 - Indigoid Dyes
  • C09B62/004 - Anthracene dyes
  • D06P3/60 - natural or regenerated cellulose

• US Classifications

  • 008 - Bleaching and dyeing
  • 552 - Organic compounds