2978290

Information

• Patent Grant
• 2978290

• References
• Source

• Patent Number

  2,978,290

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1961
  64 years ago

• CPC

  • C07D417/12 - linked by a chain containing hetero atoms as chain links
  • C07D277/50 - Nitrogen atoms bound to hetero atoms
  • C07D277/82 - Nitrogen atoms
  • C08K5/0041 - Optical brightening agents, organic pigments
  • C09B26/06 - Triazene dyes
  • C09B29/3639 - from a pyridine ring containing one or more amino groups
  • Y10S8/927 - Polyacrylonitrile fiber

• US Classifications

  • 008 - Bleaching and dyeing
  • 534 - Organic compounds