2187710

Information

• Patent Grant
• 2187710

• References
• Source

• Patent Number

  2,187,710

• Date Filed

  Not available

• Date Issued

  Tuesday, January 16, 1940
  85 years ago

• CPC

  • D21C9/08 - Removal of fats, resins, pitch or waxes; Chemical or physical purification
  • Y10S162/05 - Alpha cellulose

• US Classifications

  • 536 - Organic compounds
  • 162 - Paper making and fiber liberation