3890251

Information

• Patent Grant
• 3890251

• References
• Source

• Patent Number

  3,890,251

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1975
  49 years ago

• CPC

  • H01C7/046 - Iron oxides or ferrites
  • H01B1/08 - oxides

• US Classifications

  • 252 - Compositions
  • 423 - Chemistry of inorganic compounds