2607679

Information

• Patent Grant
• 2607679

• References
• Source

• Patent Number

  2,607,679

• Date Filed

  Not available

• Date Issued

  Tuesday, August 19, 1952
  72 years ago

• CPC

  • D21C3/266 - the same pulping agent being used in all stages
  • D21C7/08 - Discharge devices

• US Classifications

  • 100 - Presses
  • 210 - Liquid purification or separation