3635661

Information

• Patent Grant
• 3635661

• References
• Source

• Patent Number

  3,635,661

• Date Filed

  Not available

• Date Issued

  Tuesday, January 18, 1972
  53 years ago

• CPC

  • C07C51/412 - by conversion of the acids, their salts, esters or anhydrides with the same carboxylic acid part
  • C01B17/64 - Thiosulfates Dithionites Polythionates
  • C01B25/46 - Preparation involving solvent-solvent extraction
  • C01C1/24 - Sulfates of ammonium
  • C01D17/003 - Compounds of alkali metals
  • C05B7/00 - Fertilisers based essentially on alkali or ammonium orthophosphates

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 562 - Organic compounds