2172320

Information

• Patent Grant
• 2172320

• References
• Source

• Patent Number

  2,172,320

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1939
  85 years ago

• CPC

  • C10G73/06 - with the use of solvents
  • C10G73/28 - by centrifugal force

• US Classifications

  • 208 - Mineral oils: processes and products
  • 210 - Liquid purification or separation
  • 494 - Imperforate bowl: centrifugal separators