1876641

Information

• Patent Grant
• 1876641

• References
• Source

• Patent Number

  1,876,641

• Date Filed

  Not available

• Date Issued

  Tuesday, September 13, 1932
  92 years ago

• CPC

  • D06P3/3273 - preparing azo dyes on the material
  • Y10S534/01 - Mixtures of azo compounds
  • Y10S534/06 - Azo compounds containing -N[O]-N=, -N=S, or -SO2N3 groups

• US Classifications

  • 008 - Bleaching and dyeing
  • 534 - Organic compounds