3653797

Information

• Patent Grant
• 3653797

• References
• Source

• Patent Number

  3,653,797

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1972
  52 years ago

• CPC

  • A61K8/84 - obained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
  • A61K8/34 - Alcohols
  • A61K8/8176 - Homopolymers of N-vinyl-pyrrolidones. Compositions of derivatives of such polymers
  • A61Q5/065 - Preparations for temporary colouring the hair
  • D06P1/56 - Condensation products or precondensation products prepared with aldehydes
  • D06P1/65118 - Compounds containing hydroxyl groups
  • D06P3/043 - using dispersed dyes
  • D06P3/06 - using acid dyes

• US Classifications

  • 008 - Bleaching and dyeing