1542986

Information

• Patent Grant
• 1542986

• References
• Source

• Patent Number

  1,542,986

• Date Filed

  Not available

• Date Issued

  Tuesday, June 23, 1925
  99 years ago

• CPC

  • C05B7/00 - Fertilisers based essentially on alkali or ammonium orthophosphates
  • C07C273/06 - from cyanamide or calcium cyanamide

• US Classifications

  • 071 - Chemistry: fertilizers