1270266

Information

• Patent Grant
• 1270266

• References
• Source

• Patent Number

  1,270,266

• Date Filed

  Not available

• Date Issued

  Tuesday, June 25, 1918
  106 years ago

• CPC

  • C01F7/0686 - from sulfate-containing minerals

• US Classifications

  • 423 - Chemistry of inorganic compounds