2591436

Information

• Patent Grant
• 2591436

• References
• Source

• Patent Number

  2,591,436

• Date Filed

  Not available

• Date Issued

  Tuesday, April 1, 1952
  73 years ago

• CPC

  • C01F7/0673 - from phosphate-containing minerals

• US Classifications

  • 423 - Chemistry of inorganic compounds