3869439

Information

• Patent Grant
• 3869439

• References
• Source

• Patent Number

  3,869,439

• Date Filed

  Not available

• Date Issued

  Tuesday, March 4, 1975
  49 years ago

• CPC

  • C09B45/14 - Monoazo compounds
  • C08K5/0091 - Complexes with metal-heteroatom-bonds
  • C09B27/00 - Preparations in which the azo group is formed in any way other than by diazotising and coupling
  • C09B45/025 - of azo-pyridone series
  • C09B63/005 - Metal lakes of dyes
  • D21H21/28 - Colorants; Pigments or opacifying agents

• US Classifications

  • 534 - Organic compounds
  • 106 - Compositions: coating or plastic
  • 524 - Synthetic resins or natural rubbers