3528972

Information

• Patent Grant
• 3528972

• References
• Source

• Patent Number

  3,528,972

• Date Filed

  Not available

• Date Issued

  Tuesday, September 15, 1970
  54 years ago

• CPC

  • A61K8/355 - Quinones
  • A61Q5/065 - Preparations for temporary colouring the hair
  • C09B1/002 - containing onium groups
  • C09B1/207 - Dyes with amino groups and with onium groups
  • C09B1/262 - Dyes with no other substituents than the substituted amino groups
  • C09B1/285 - Dyes with no other substituents than the amino groups
  • C09B1/325 - Dyes with no other substituents than the amino groups
  • C09B1/501 - containing onium groups
  • C09B1/515 - N-alkyl, N-aralkyl or N-cycloalkyl derivatives
  • C09B1/5155 - only amino and hydroxy groups
  • C09B62/80 - Anthracene dyes
  • D06P3/3033 - using basic dyes

• US Classifications

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