3870695

Information

• Patent Grant
• 3870695

• References
• Source

• Patent Number

  3,870,695

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1975
  49 years ago

• CPC

  • C09B62/006 - Azodyes
  • C09B29/3621 - from a pyridine ring
  • C09B31/153 - containing a six-membered ring with one nitrogen atom as the only ring hetero-atom
  • C09B45/025 - of azo-pyridone series
  • C09B62/40 - Azo dyes

• US Classifications

  • 534 - Organic compounds
  • 008 - Bleaching and dyeing