2171513

Information

• Patent Grant
• 2171513

• References
• Source

• Patent Number

  2,171,513

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1939
  85 years ago

• CPC

  • D06M11/38 - Oxides or hydroxides of elements of the first Group of the Periodic System
  • D06M11/155 - Halides of elements of the second Group of the Periodic System
  • D06M11/55 - with sulfur trioxide with sulfuric acid or thiosulfuric acid or their salts
  • D06M11/62 - Complexes of metal oxides or complexes of metal salts with ammonia or with organic amines
  • D06M11/70 - with oxides of phosphorus with hypophosphorous, phosphorous or phosphoric acids or their salts
  • D06M13/207 - Substituted carboxylic acids
  • D06M15/03 - Polysaccharides or derivatives thereof

• US Classifications

  • 008 - Bleaching and dyeing
  • 028 - Textiles: manufacturing