3658454

Information

• Patent Grant
• 3658454

• References
• Source

• Patent Number

  3,658,454

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1972
  52 years ago

• CPC

  • C09B51/00 - Nitro or nitroso dyes
  • A61K8/418 - containing nitro groups
  • A61K8/42 - Amides
  • A61Q5/065 - Preparations for temporary colouring the hair
  • A61Q5/10 - Preparations for permanently dyeing the hair
  • D06P3/305 - with oxidation dyes

• US Classifications

  • 008 - Bleaching and dyeing
  • 564 - Organic compounds