121994

Information

• Patent Grant
• 121994

• References
• Source

• Patent Number

  121,994

• Date Filed

  Not available

• Date Issued

  Tuesday, December 19, 1871
  153 years ago

• CPC

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

• US Classifications

  • 423 - Chemistry of inorganic compounds