3839426

Information

• Patent Grant
• 3839426

• References
• Source

• Patent Number

  3,839,426

• Date Filed

  Not available

• Date Issued

  Tuesday, October 1, 1974
  50 years ago

• CPC

  • C07D295/185 - from aliphatic carboxylic acids
  • C07D231/46 - Oxygen atom in position 3 or 5 and nitrogen atom in position 4
  • C07D235/14 - Radicals substituted by nitrogen atoms
  • C09B44/02 - containing ammonium groups not directly attached to an azo group
  • C09B47/32 - Cationic phthalocyanine dyes

• US Classifications

  • 562 - Organic compounds
  • 106 - Compositions: coating or plastic
  • 534 - Organic compounds