1891609

Information

• Patent Grant
• 1891609

• References
• Source

• Patent Number

  1,891,609

• Date Filed

  Not available

• Date Issued

  Tuesday, December 20, 1932
  92 years ago

• CPC

  • C01F7/08 - by treating aluminous minerals with sodium carbonate

• US Classifications

  • 423 - Chemistry of inorganic compounds