2121337

Information

• Patent Grant
• 2121337

• References
• Source

• Patent Number

  2,121,337

• Date Filed

  Not available

• Date Issued

  Tuesday, June 21, 1938
  86 years ago

• CPC

  • D06P3/8219 - mixtures of fibres containing hydroxyl and amide groups
  • D06P1/6494 - Compounds containing a guanyl group R-C-N=
  • D06P1/66 - containing quaternary ammonium groups
  • D06P3/20 - using mordant dyes using metallisable dyes
  • D06P3/64 - using mordant dyes or metallisable dyes

• US Classifications

  • 008 - Bleaching and dyeing