2321816

Information

• Patent Grant
• 2321816

• References
• Source

• Patent Number

  2,321,816

• Date Filed

  Not available

• Date Issued

  Tuesday, June 15, 1943
  81 years ago

• CPC

  • C09B31/08 - from a coupling component "C" containing directive hydroxyl and amino groups
  • D06P1/122 - the textile material containing one component
  • D06P3/22 - preparing azo dyes on the fibre
  • D06P3/68 - preparing azo dyes on the material
  • D06P3/8219 - mixtures of fibres containing hydroxyl and amide groups
  • Y10S8/917 - Wool or silk
  • Y10S8/918 - Cellulose textile

• US Classifications

  • 008 - Bleaching and dyeing
  • 534 - Organic compounds