2131145

Information

• Patent Grant
• 2131145

• References
• Source

• Patent Number

  2,131,145

• Date Filed

  Not available

• Date Issued

  Tuesday, September 27, 1938
  86 years ago

• CPC

  • H05K7/04 - on conductive chassis
  • B44F9/08 - of crystalline structures, pearl effects, or mother-of-pearl effects
  • C08L89/04 - Products derived from waste materials
  • C08L89/06 - derived from leather or skin
  • D06M13/11 - Compounds containing epoxy groups or precursors thereof
  • D06M13/252 - Mercaptans, thiophenols, sulfides or polysulfides
  • D06M13/48 - containing the ethylene imine ring
  • D06M13/487 - Aziridinylphosphines Aziridinylphosphine-oxides or sulfides Carbonylaziridinyl or carbonylbisaziridinyl compounds Sulfonylaziridinyl or sulfonylbisaziridinyl compounds
  • D06P1/6426 - Heterocyclic compounds
  • D06P1/65131 - Compounds containing ether or acetal groups
  • D06P1/66 - containing quaternary ammonium groups
  • D06P3/041 - using basic dyes
  • D06P3/06 - using acid dyes
  • D06P3/16 - using acid dyes
  • D06P3/18 - using basic dyes
  • D06P3/8219 - mixtures of fibres containing hydroxyl and amide groups
  • D06P5/22 - Effecting variation of dye affinity on textile material by chemical means that react with the fibre

• US Classifications

  • 008 - Bleaching and dyeing
  • 530 - Chemistry: natural resins or derivatives