2823120

Information

• Patent Grant
• 2823120

• References
• Source

• Patent Number

  2,823,120

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1958
  66 years ago

• CPC

  • D21C11/0014 - Combination of various pulping processes with one or several recovery systems (cross-recovery)
  • D21C9/083 - with inorganic compounds

• US Classifications

  • 162 - Paper making and fiber liberation