1986883

Information

• Patent Grant
• 1986883

• References
• Source

• Patent Number

  1,986,883

• Date Filed

  Not available

• Date Issued

  Tuesday, January 8, 1935
  89 years ago

• CPC

  • C09B33/22 - Trisazo dyes of the type A->B->K<-C
  • C09B1/40 - the acyl groups being residues of an aliphatic or araliphatic carboxylic acid
  • C09B33/153 - in which the coupling component is a bis-(aceto-acetyl amide) or a bis-(benzoyl-acetylamide)
  • C09B43/128 - Aliphatic, cycloaliphatic or araliphatic acids
  • C09B51/00 - Nitro or nitroso dyes
  • D06P3/34 - material containing ester groups
  • Y10S8/92 - Synthetic fiber dyeing
  • Y10S8/921 - Cellulose ester or ether

• US Classifications

  • 008 - Bleaching and dyeing