2683090

Information

• Patent Grant
• 2683090

• References
• Source

• Patent Number

  2,683,090

• Date Filed

  Not available

• Date Issued

  Tuesday, July 6, 1954
  70 years ago

• CPC

  • D21C3/222 - Use of compounds accelerating the pulping processes
  • D21C3/224 - Use of means other than pressure and temperature

• US Classifications

  • 162 - Paper making and fiber liberation