FI (list display)

  • C10G21/00
  • Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents () HB CC 4H129
  • C10G21/02
  • .with two or more solvents, which are introduced or withdrawn separately HB CC 4H129
  • C10G21/04
  • ..by introducing simultaneously at least two immiscible solvents counter-current to each other HB CC 4H129
  • C10G21/06
  • .characterised by the solvent used HB CC 4H129
  • C10G21/08
  • ..Inorganic compounds only HB CC 4H129
  • C10G21/10
  • ...Sulfur dioxide HB CC 4H129
  • C10G21/12
  • ..Organic compounds only HB CC 4H129
  • C10G21/14
  • ...Hydrocarbons HB CC 4H129
  • C10G21/16
  • ...Oxygen-containing compounds HB CC 4H129
  • C10G21/18
  • ...Halogen-containing compounds HB CC 4H129
  • C10G21/20
  • ...Nitrogen-containing compounds HB CC 4H129
  • C10G21/22
  • ...Compounds containing sulfur, selenium, or tellurium HB CC 4H129
  • C10G21/24
  • ...Phosphorus-containing compounds HB CC 4H129
  • C10G21/26
  • ...Silicon-containing compounds HB CC 4H129
  • C10G21/27
  • ...Organic compounds not provided for in a single one of groups C10G 21/14-C10G 21/26 [3] HB CC 4H129
  • C10G21/28
  • .Recovery of used solvent HB CC 4H129
  • C10G21/30
  • .Controlling or regulating [3] HB CC 4H129
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