3770386

Information

• Patent Grant
• 3770386

• References
• Source

• Patent Number

  3,770,386

• Date Filed

  Not available

• Date Issued

  Tuesday, November 6, 1973
  51 years ago

• CPC

  • C07C7/14 - by crystallisation Purification or separation of the crystals
  • B01D9/004 - Fractional crystallisation; Fractionating or rectifying columns
  • C01D3/18 - with selective solvents
  • C07C17/392 - by crystallisation Purification or separation of the crystals

• US Classifications

  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
  • 062 - Refrigeration
  • 159 - Concentrating evaporators