Featured patents

Dual-Mode Dividing Wall Column
US 08852405 B2, Oct. 7, 2014, With Fractional Condensation of Vapor Outside Still, Jang Ku Lee et al. / LG Chem, Ltd. (Seoul, KR)
A dual-mode dividing wall column that is capable of mode switching between…

Methods for Inhibiting Polymerization of Vinyl Aromatic Compounds During Extractive Distillation
US 08771476 B2, July 8, 2014, Of unsaturated hydrocarbon, George A. Ball et al. / GTC Technology LP (Houston, US)
A method for inhibiting polymerization of vinyl aromatic compounds during…

Distillation Apparatus
US 08771478 B2, July 8, 2014, Under pressure or vacuum, Dudley Edgar James Ward / Equus Environmental Ltd. (Auckland, NZ)
A distillation apparatus for producing distillate from a contaminated liquid,…

Method for Purifying Acetone
US 08741109 B2, June 3, 2014, Of temperature or pressure, Ilya Yurievich Krupenko et al. / Sabic Innovative Plastics IP B.V. (Bergen op Zoom, NL)
A method for purifying a crude acetone raw material containing low molecular…

Aromatics-Recovery Process
US 08747622 B2, June 10, 2014, Vaporization Zone Under Positive Pressure or Vacuum, Deepak Bisht et al. / UOP LLC (Des Plaines, US)
An apparatus for controlling the pressure in the overhead receiver…

Process for the Separation of a Hydrocarbon-Containing Feed Stream
US 08557087 B2, Oct. 15, 2013, With Measuring, Testing or Inspecting, Denis Mignon / Total Petrochemicals Research Feluy (Seneffe (Feluy), BE
A process for the separation of a hydrocarbon-containing feed stream comprising…

Processes for Purifying Silane
US 08551298 B2, Oct. 8, 2013, Distillation of initial distillate, Zhihui Gu et al. / MEMC Electronic Materials, Inc. (St. Peters, US)
A process for purifying a silane-containing stream, the stream comprising silane…

Apparatus and Method for Desalination
US 08535486 B2, Sept. 17, 2013, Water Purification Only, Takao Kashiwagi et al. / National University of Singapore (Singapore, SG)
A water desalination system comprising:…

Process for Inhibiting Polymerization of (Meth)acrylic Acid And/Or (Meth)acrylic Esters
US 08491758 B2, July 23, 2013, Of unsaturated hydrocarbon, Ulrich Jäger et al. / BASF SE (Ludwigshafen, DE)
A process for inhibiting polymerization of a liquid state monomer, the process…

Method of Determining Flood Points of Packed Columns
US 08449727 B2, May 28, 2013, Of temperature or pressure, Brian Hanley / Aspen Technology, Inc. (Burlington, US)
A method of determining a flood point of a packed column for liquids and vapors…

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