3897203

Information

• Patent Grant
• 3897203

• References
• Source

• Patent Number

  3,897,203

• Date Filed

  Not available

• Date Issued

  Tuesday, July 29, 1975
  49 years ago

• CPC

  • D06P1/18 - Azo dyes
  • C09B29/3608 - containing a five-membered heterocyclic ring with only one nitrogen as heteroatom
  • Y10S8/922 - Polyester fiber

• US Classifications

  • 008 - Bleaching and dyeing
  • 534 - Organic compounds