2178744

Information

• Patent Grant
• 2178744

• References
• Source

• Patent Number

  2,178,744

• Date Filed

  Not available

• Date Issued

  Tuesday, November 7, 1939
  85 years ago

• CPC

  • D06P3/8223 - mixtures of fibres containing hydroxyl and ester groups
  • D06P3/44 - preparing azo dyes on the material
  • D06P3/68 - preparing azo dyes on the material

• US Classifications

  • 008 - Bleaching and dyeing