2219280

Information

• Patent Grant
• 2219280

• References
• Source

• Patent Number

  2,219,280

• Date Filed

  Not available

• Date Issued

  Tuesday, October 29, 1940
  84 years ago

• CPC

  • C09B51/00 - Nitro or nitroso dyes
  • C09B44/02 - containing ammonium groups not directly attached to an azo group
  • C09B62/465 - the reactive group being an acryloyl group, a quaternised or non-quaternised aminoalkyl carbonyl group or a (-N)n-CO-A-O-X or (-N)n-CO-A-Hal group, wherein A is an alkylene or alkylidene group, X is hydrogen or an acyl radical of an organic or inorganic acid, Hal is a halogen atom, and n is 0 or 1
  • C09B69/00 - Dyes not provided for by a single group of this subclass
  • C09B69/001 - Dyes containing an onium group attached to the dye skeleton via a bridge
  • D06P1/125 - one or both of the components having fibre-reactive groups

• US Classifications

  • 534 - Organic compounds
  • 008 - Bleaching and dyeing
  • 546 - Organic compounds