3443889

Information

• Patent Grant
• 3443889

• References
• Source

• Patent Number

  3,443,889

• Date Filed

  Not available

• Date Issued

  Tuesday, May 13, 1969
  55 years ago

• CPC

  • C01D9/04 - Preparation with liquid nitric acid
  • C01B17/62 - Methods of preparing sulfites in general
  • C01B25/46 - Preparation involving solvent-solvent extraction
  • C01D5/02 - Preparation of sulfates from alkali metal salts and sulfuric acid or bisulfates Preparation of bisulfates
  • C01D5/14 - Preparation of sulfites
  • C01D7/16 - Preparation from compounds of sodium or potassium with amines and carbon dioxide
  • C01F7/34 - Preparation of aluminium hydroxide by precipitation from solutions containing aluminium salts
  • C07C51/412 - by conversion of the acids, their salts, esters or anhydrides with the same carboxylic acid part
  • Y02P20/142 - the feedstock being CO2
  • Y02P20/582 - of unreacted starting or intermediate materials

• US Classifications

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