687258

Information

• Patent Grant
• 687258

• References
• Source

• Patent Number

  687,258

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1901
  123 years ago

• CPC

  • C01D9/02 - Preparation by working-up natural salt mixtures

• US Classifications

  • 423 - Chemistry of inorganic compounds