3865922

Information

• Patent Grant
• 3865922

• References
• Source

• Patent Number

  3,865,922

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1975
  50 years ago

• CPC

  • C01D7/07 - Preparation from the hydroxides
  • B01D9/0036 - Crystallisation on to a bed of product crystals; Seeding
  • C01B25/22 - Preparation by reacting phosphate-containing material with an acid
  • C01B25/28 - Ammonium phosphates
  • C01B25/405 - of ammonium
  • C01B33/103 - Fluosilicic acid; Salts thereof
  • C01C1/162 - Ammonium fluoride
  • C01C1/24 - Sulfates of ammonium
  • C01C1/244 - Preparation by double decomposition of ammonium salts with sulfates
  • C01D5/00 - Sulfates or sulfites of sodium, potassium or alkali metals in general

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 023 - Chemistry: physical processes
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing