1841678

Information

• Patent Grant
• 1841678

• References
• Source

• Patent Number

  1,841,678

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1932
  93 years ago

• CPC

  • C04B28/24 - containing alkyl, ammonium or metal silicates containing silica sols
  • C04B26/22 - Natural resins
  • C04B26/285 - Cellulose or derivatives thereof
  • C04B28/001 - containing unburned clay
  • D21J1/00 - Fibreboard

• US Classifications

  • 162 - Paper making and fiber liberation
  • 209 - Classifying, separating, and assorting solids