1888922

Information

• Patent Grant
• 1888922

• References
• Source

• Patent Number

  1,888,922

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1932
  92 years ago

• CPC

  • C05F11/02 - from peat, brown coal, and similar vegetable deposits
  • C05B11/14 - using wet gaseous acids

• US Classifications

  • 071 - Chemistry: fertilizers