2840454

Information

• Patent Grant
• 2840454

• References
• Source

• Patent Number

  2,840,454

• Date Filed

  Not available

• Date Issued

  Tuesday, June 24, 1958
  66 years ago

• CPC

  • D21C11/063 - Treatment of gas streams comprising solid matter
  • Y02P70/24 - related technologies for saving energy and raw materials during the production of paper or paper articles
  • Y10S261/09 - Furnace gas scrubbers
  • Y10S423/03 - Papermaking liquor

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 096 - Gas separation: apparatus
  • 110 - Furnaces
  • 122 - Liquid heaters and vaporizers
  • 162 - Paper making and fiber liberation
  • 261 - Gas and liquid contact apparatus
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing