1943822

Information

• Patent Grant
• 1943822

• References
• Source

• Patent Number

  1,943,822

• Date Filed

  Not available

• Date Issued

  Tuesday, January 16, 1934
  91 years ago

• CPC

  • B01D11/043 - with stationary contacting elements, sieve plates or loose contacting elements
  • B01D11/0484 - Controlling means
  • B01F3/0873 - by moving the liquids in countercurrent
  • C10G21/00 - Refining of hydrocarbon oils in the absence of hydrogen, by extraction with selective solvents

• US Classifications

  • 208 - Mineral oils: processes and products
  • 210 - Liquid purification or separation
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing