3546258

Information

• Patent Grant
• 3546258

• References
• Source

• Patent Number

  3,546,258

• Date Filed

  Not available

• Date Issued

  Tuesday, December 8, 1970
  54 years ago

• CPC

  • A61K8/355 - Quinones
  • A61Q5/065 - Preparations for temporary colouring the hair
  • C09B1/207 - Dyes with amino groups and with onium groups
  • C09B1/512 - only amino and hydroxy groups

• US Classifications

  • 552 - Organic compounds
  • 008 - Bleaching and dyeing
  • 544 - Organic compounds
  • 546 - Organic compounds