3867456

Information

• Patent Grant
• 3867456

• References
• Source

• Patent Number

  3,867,456

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1975
  49 years ago

• CPC

  • C09B51/00 - Nitro or nitroso dyes
  • A61K8/355 - Quinones
  • A61K8/418 - containing nitro groups
  • A61Q5/065 - Preparations for temporary colouring the hair
  • C07D209/48 - with oxygen atoms in positions 1 and 3
  • C07D295/13 - to an acyclic saturated chain
  • C09B1/28 - substituted by alkyl, aralkyl or cyclo alkyl groups
  • C09B1/285 - Dyes with no other substituents than the amino groups

• US Classifications

  • 564 - Organic compounds
  • 546 - Organic compounds
  • 548 - Organic compounds
  • 552 - Organic compounds