1797805

Information

• Patent Grant
• 1797805

• References
• Source

• Patent Number

  1,797,805

• Date Filed

  Not available

• Date Issued

  Tuesday, March 24, 1931
  93 years ago

• CPC

  • C04B41/009 - characterised by the material treated
  • C04B41/5015 - containing phosphorus in the anion
  • C04B41/85 - with inorganic materials
  • H05B7/085 - mainly consisting of carbon
  • C04B2111/0087 - for metallurgical applications

• US Classifications

  • 204 - Chemistry: electrical and wave energy