2490840

Information

• Patent Grant
• 2490840

• References
• Source

• Patent Number

  2,490,840

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1949
  75 years ago

• CPC

  • B01D53/1456 - Removing acid components
  • C10K1/085 - two direct washing treatments, one with an aquous liquid and one with a non-aqueous liquid
  • C10K1/143 - containing amino groups
  • C10K1/16 - with non-aqueous liquids
  • B01D2257/30 - Sulfur compounds
  • Y02P20/152 - CO2

• US Classifications

  • 423 - Chemistry of inorganic compounds