2427757

Information

• Patent Grant
• 2427757

• References
• Source

• Patent Number

  2,427,757

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1947
  77 years ago

• CPC

  • C01B13/086 - with manganese oxide

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 252 - Compositions