3321275

Information

• Patent Grant
• 3321275

• References
• Source

• Patent Number

  3,321,275

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1967
  57 years ago

• CPC

  • C10K1/121 - containing NH3 only (possibly in combination with NH4 salts)
  • B01D53/501 - by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
  • C01B17/60 - Isolation of sulfur dioxide from gases
  • C01C1/028 - from ammonium sulfate or sulfite
  • C01C1/10 - Separation of ammonia from ammonia liquors
  • C01C1/242 - Preparation from ammonia and sulfuric acid or sulfur trioxide

• US Classifications

  • 423 - Chemistry of inorganic compounds