2709638

Information

• Patent Grant
• 2709638

• References
• Source

• Patent Number

  2,709,638

• Date Filed

  Not available

• Date Issued

  Tuesday, May 31, 1955
  70 years ago

• CPC

  • D06M15/423 - Amino-aldehyde resins
  • D06M11/38 - Oxides or hydroxides of elements of the first Group of the Periodic System
  • D06M11/44 - Oxides or hydroxides of elements of the second Group of the Periodic System Zincates Cadmates
  • D06M11/55 - with sulfur trioxide with sulfuric acid or thiosulfuric acid or their salts
  • D06M11/56 - Sulfates or thiosulfates other than of elements of the third Group of the Periodic System
  • D06M11/62 - Complexes of metal oxides or complexes of metal salts with ammonia or with organic amines
  • D06M11/66 - with sulfamic acid or its salts
  • D06M11/70 - with oxides of phosphorus with hypophosphorous, phosphorous or phosphoric acids or their salts
  • D06M11/71 - Salts of phosphoric acids
  • D06M13/192 - Polycarboxylic acids Anhydrides, halides or salts thereof
  • D06M13/432 - Urea, thiourea or derivatives thereof
  • D06M13/438 - Sulfonamides ; Sulfamic acids
  • D06M15/433 - by phosphoric acids

• US Classifications

  • 008 - Bleaching and dyeing
  • 536 - Organic compounds