2904385

Information

• Patent Grant
• 2904385

• References
• Source

• Patent Number

  2,904,385

• Date Filed

  Not available

• Date Issued

  Tuesday, September 15, 1959
  65 years ago

• CPC

  • A61K8/46 - containing sulfur
  • A61Q5/065 - Preparations for temporary colouring the hair
  • C09B35/227 - the tetrazo component being a derivative of a diaryl sulfide or a diaryl polysulfide
  • C09B43/08 - by reduction
  • D06P3/141 - using vat or sulfur dyes
  • D06P3/30 - furs feathers, dead hair, furskins, pelts
  • Y10S8/917 - Wool or silk

• US Classifications

  • 008 - Bleaching and dyeing