2093461

Information

• Patent Grant
• 2093461

• References
• Source

• Patent Number

  2,093,461

• Date Filed

  Not available

• Date Issued

  Tuesday, September 21, 1937
  87 years ago

• CPC

  • C01B25/377 - of manganese

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 071 - Chemistry: fertilizers