2898994

Information

• Patent Grant
• 2898994

• References
• Source

• Patent Number

  2,898,994

• Date Filed

  Not available

• Date Issued

  Tuesday, August 11, 1959
  65 years ago

• CPC

  • D21C11/02 - of acid, neutral or alkaline sulfite lye

• US Classifications

  • 162 - Paper making and fiber liberation