1854331

Information

• Patent Grant
• 1854331

• References
• Source

• Patent Number

  1,854,331

• Date Filed

  Not available

• Date Issued

  Tuesday, April 19, 1932
  92 years ago

• CPC

  • D21C9/083 - with inorganic compounds
  • Y10S162/05 - Alpha cellulose

• US Classifications

  • 162 - Paper making and fiber liberation
  • 008 - Bleaching and dyeing
  • 536 - Organic compounds