1419497

Information

• Patent Grant
• 1419497

• References
• Source

• Patent Number

  1,419,497

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1922
  102 years ago

• CPC

  • D06M11/38 - Oxides or hydroxides of elements of the first Group of the Periodic System
  • D06M11/53 - with hydrogen sulfide or its salts with polysulfides
  • D06M13/123 - Polyaldehydes Polyketones
  • D06M13/148 - Polyalcohols
  • D06M13/152 - having a hydroxy group bound to a carbon atom of a six-membered aromatic ring
  • D06M13/342 - Amino-carboxylic acids Betaines Aminosulfonic acids Sulfo-betaines
  • D06M15/03 - Polysaccharides or derivatives thereof
  • D06M15/055 - with the residual liquors derived of the sulfatic process for the preparation of cellulose
  • D06P1/46 - using compositions containing natural macromolecular substances or derivatives thereof
  • D06P1/642 - Compounds containing nitrogen
  • D06P1/647 - Nitrogen-containing carboxylic acids or their salts
  • D06P3/30 - furs feathers, dead hair, furskins, pelts

• US Classifications

  • 008 - Bleaching and dyeing