3531502

Information

• Patent Grant
• 3531502

• References
• Source

• Patent Number

  3,531,502

• Date Filed

  Not available

• Date Issued

  Tuesday, September 29, 1970
  54 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

  • 552 - Organic compounds
  • 008 - Bleaching and dyeing