1802640

Information

• Patent Grant
• 1802640

• References
• Source

• Patent Number

  1,802,640

• Date Filed

  Not available

• Date Issued

  Tuesday, April 28, 1931
  94 years ago

• CPC

  • C09B11/18 - Preparation by oxidation

• US Classifications

  • 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
  • 204 - Chemistry: electrical and wave energy