1667550

Information

• Patent Grant
• 1667550

• References
• Source

• Patent Number

  1,667,550

• Date Filed

  Not available

• Date Issued

  Tuesday, April 24, 1928
  96 years ago

• CPC

  • C01G21/22 - Plumbates Plumbites

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 208 - Mineral oils: processes and products