2194683

Information

• Patent Grant
• 2194683

• References
• Source

• Patent Number

  2,194,683

• Date Filed

  Not available

• Date Issued

  Tuesday, March 26, 1940
  84 years ago

• CPC

  • B01J20/14 - Diatomaceous earth
  • B01J20/041 - Oxides or hydroxides
  • B01J20/10 - comprising silica or silicate
  • B01J20/3071 - Washing or leaching
  • B01J20/3078 - Thermal treatment
  • B01J20/3204 - Inorganic carriers, supports or substrates
  • B01J20/3236 - containing metal, other than zeolites
  • B01J20/3242 - Layers with a functional group
  • C04B14/08 - Diatomaceous earth
  • Y10T428/2993 - Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 106 - Compositions: coating or plastic
  • 427 - Coating processes