2894809

Information

• Patent Grant
• 2894809

• References
• Source

• Patent Number

  2,894,809

• Date Filed

  Not available

• Date Issued

  Tuesday, July 14, 1959
  65 years ago

• CPC

  • C22B60/0221 - by leaching
  • C01F7/0673 - from phosphate-containing minerals
  • C22B60/0208 - preliminary treatment of ores or scrap
  • C22B60/026 - liquid-liquid extraction with or without dissolution in organic solvents

• US Classifications

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