3524842

Information

• Patent Grant
• 3524842

• References
• Source

• Patent Number

  3,524,842

• Date Filed

  Not available

• Date Issued

  Tuesday, August 18, 1970
  54 years ago

• CPC

  • A61K8/416 - Quaternary ammonium compounds
  • A61K8/4926 - having six membered rings
  • A61K8/494 - with more than one nitrogen as the only hetero atom
  • A61Q5/065 - Preparations for temporary colouring the hair
  • C09B44/06 - from coupling components containing hydroxyl as the only directing group
  • D06P3/3033 - using basic dyes

• US Classifications

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