1899223

Information

• Patent Grant
• 1899223

• References
• Source

• Patent Number

  1,899,223

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1933
  91 years ago

• CPC

  • D21C5/00 - Other processes for obtaining cellulose
  • Y10S162/03 - Wetting agent
  • Y10S162/05 - Alpha cellulose

• US Classifications

  • 162 - Paper making and fiber liberation