1871792

Information

• Patent Grant
• 1871792

• References
• Source

• Patent Number

  1,871,792

• Date Filed

  Not available

• Date Issued

  Tuesday, August 16, 1932
  92 years ago

• CPC

  • C01F7/027 - Treatment involving fusion or vaporisation
  • C01F5/02 - Magnesia
  • C01F7/38 - Preparation of aluminium oxide by thermal reduction of aluminous minerals
  • C01F7/46 - Purification of aluminium oxide, aluminium hydroxide or aluminates
  • C01P2004/34 - hollow

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 065 - Glass manufacturing
  • 264 - Plastic and nonmetallic article shaping or treating: processes