2870009

Information

• Patent Grant
• 2870009

• References
• Source

• Patent Number

  2,870,009

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1959
  65 years ago

• CPC

  • F22B1/1892 - Systems therefor not provided for in F22B1/1807 - F22B1/1861
  • D21C3/22 - Other features of pulping processes
  • D21C9/00 - After-treatment of cellulose pulp
  • D21C11/06 - Treatment of pulp gases Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2
  • D21F1/66 - Pulp catching, de-watering, or recovering Re-use of pulp-water
  • F22B1/16 - the heat carrier being hot liquid or hot vapour

• US Classifications

  • 162 - Paper making and fiber liberation