3251659

Information

• Patent Grant
• 3251659

• References
• Source

• Patent Number

  3,251,659

• Date Filed

  Not available

• Date Issued

  Tuesday, May 17, 1966
  58 years ago

• CPC

  • F27D11/08 - Heating by electric discharge
  • C01F11/02 - Oxides or hydroxides
  • C01F11/16 - Purification
  • C04B2/00 - Lime, magnesia or dolomite
  • C04B35/057 - based on calcium oxide
  • C30B11/00 - Single-crystal growth by normal freezing or freezing under temperature gradient
  • C30B29/16 - Oxides

• US Classifications

  • 023 - Chemistry: physical processes
  • 065 - Glass manufacturing
  • 373 - Industrial electric heating furnaces
  • 423 - Chemistry of inorganic compounds