3692461

Information

• Patent Grant
• 3692461

• References
• Source

• Patent Number

  3,692,461

• Date Filed

  Not available

• Date Issued

  Tuesday, September 19, 1972
  52 years ago

• CPC

  • A61K8/355 - Quinones
  • A61Q5/065 - Preparations for temporary colouring the hair
  • C09B1/501 - containing onium groups
  • C09B1/5145 - only amino and hydroxy groups

• US Classifications

  • 008 - Bleaching and dyeing
  • 552 - Organic compounds