2141444

Information

• Patent Grant
• 2141444

• References
• Source

• Patent Number

  2,141,444

• Date Filed

  Not available

• Date Issued

  Tuesday, December 27, 1938
  86 years ago

• CPC

  • C01F7/38 - Preparation of aluminium oxide by thermal reduction of aluminous minerals

• US Classifications

  • 423 - Chemistry of inorganic compounds