1880043

Information

• Patent Grant
• 1880043

• References
• Source

• Patent Number

  1,880,043

• Date Filed

  Not available

• Date Issued

  Tuesday, September 27, 1932
  92 years ago

• CPC

  • D21C1/04 - with acid reacting compounds
  • Y10S162/02 - Chip soaking

• US Classifications

  • 162 - Paper making and fiber liberation