3817698

Information

• Patent Grant
• 3817698

• References
• Source

• Patent Number

  3,817,698

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1974
  50 years ago

• CPC

  • C09B69/00 - Dyes not provided for by a single group of this subclass
  • A61K8/355 - Quinones
  • A61K8/418 - containing nitro groups
  • A61Q5/065 - Preparations for temporary colouring the hair
  • C09B1/207 - Dyes with amino groups and with onium groups
  • C09B1/285 - Dyes with no other substituents than the amino groups
  • C09B51/00 - Nitro or nitroso dyes

• US Classifications

  • 008 - Bleaching and dyeing
  • 552 - Organic compounds
  • 564 - Organic compounds