3644091

Information

• Patent Grant
• 3644091

• References
• Source

• Patent Number

  3,644,091

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1972
  52 years ago

• CPC

  • C01B25/235 - Clarification Stabilisation to prevent post-precipitation of dissolved impurities
  • C01B25/22 - Preparation by reacting phosphate-containing material with an acid
  • C01B25/2343 - Concentration concomitant with purification

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 210 - Liquid purification or separation