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Class Information
Number: 203/89
Name: Distillation: processes, separatory > Filming of distilland for vaporization
Description: Processes directed to introducing the distilland into the vaporization zone by spreading it as a thin film over a surface.

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8591705 Multi-effect evaporator Nov. 26, 2013
8584374 Method for removing water from a mixture Nov. 19, 2013
8486223 Falling film evaporator Jul. 16, 2013
8419903 Method for controlling and cooling a distillation column Apr. 16, 2013
8382962 Distillation of ionic liquids Feb. 26, 2013
8287698 Process and system for producing alcohol by split-feed distillation Oct. 16, 2012
8252148 Containment extension and processing method Aug. 28, 2012
8231765 Process for the purification of lactams Jul. 31, 2012
8192589 Purification of aqueous solutions of organic acids Jun. 5, 2012
8142661 Residual stream upgrading in a propylene oxide-styrene monomer process Mar. 27, 2012
8092656 Method and apparatus for high efficiency evaporation operation Jan. 10, 2012
7998317 Glycerol (medical grade) preparation method using a by-product of a bio-diesel process Aug. 16, 2011
7959768 Partial load enabled falling film evaporator and method for operating a partial load Jun. 14, 2011
7955476 Multiple application purification and recycling device Jun. 7, 2011
7799178 Distillation process Sep. 21, 2010
7785448 Method and apparatus for phase change enhancement Aug. 31, 2010
7718033 One-step method for the production of nanofluids May. 18, 2010
7666281 Method and device for treating water Feb. 23, 2010
7619098 Method for producing phthalic anhydride that conforms to specifications Nov. 17, 2009
7611604 Method and device for the production of purified steam Nov. 3, 2009
7594980 Device and method for distillation Sep. 29, 2009
7540944 Saline/sewage water reclamation system Jun. 2, 2009
7520917 Devices with extended area structures for mass transfer processing of fluids Apr. 21, 2009
7431804 Method for carrying out the distillation or reactive distillation of a mixture containing at least one toxic constituent Oct. 7, 2008
7316781 Pseudo-distillation method for purifying a dry cleaning solvent Jan. 8, 2008
7211193 Processes for the purification of bis(2-hydroxyethyl)terephthalate May. 1, 2007
7128815 Process for recovery of pure acrylonitrile Oct. 31, 2006
6984293 Azeotropic distillation of cyclic esters of hydroxy organic acids Jan. 10, 2006
6860966 Method for isolating polyphenylene ether polymer resins from solution Mar. 1, 2005
6656327 Method and device for the production of pure steam Dec. 2, 2003
6638398 Methods for the evaporation of an aqueous solution containing ammonia Oct. 28, 2003
6635150 Method for distilling a fluid with horizontal vapor transfer into a condensation zone and modular device for implementing said method Oct. 21, 2003
6627047 Method for preventing polymerization in thin-film type evaporating device Sep. 30, 2003
6623546 Method and installation for chemical purification of vapor in a dehydrator with mechanical vapor compression Sep. 23, 2003
6423187 Heat exchanger mechanism using capillary wipers for a thin film distiller Jul. 23, 2002
6365413 Thin film thermal oxidative oil deposit testing device and method Apr. 2, 2002
6350352 Process for separating by distillation pure (meth)acrylic acid from mixtures Feb. 26, 2002
6340414 Process for the recovery of perfluorinated sulphonic acids from spent acid Jan. 22, 2002
6336997 Process for refining heat-deteriorative compound, contained in multi-component liquid mixture, by distillation Jan. 8, 2002
6334935 Distillation of (meth) acryloxy-bearing alkoxysilane Jan. 1, 2002
6080273 Method and device for treating liquids by partial evaporation Jun. 27, 2000
6066232 Method and vaporizer for vaporizing oxidation-sensitive compounds May. 23, 2000
5944950 Process for the final evaporation of black liquor Aug. 31, 1999
5904814 Removal of water and ammonia from benzophenone imine reactor effluents May. 18, 1999
5873981 Recovery of anhydrous acids Feb. 23, 1999
5868908 Separation of inorganic salts from dimethyl sulfoxide Feb. 9, 1999
5795446 Method and equipment for heat-of-vaporization transfer Aug. 18, 1998
5766412 System and method of waster water reduction and product recovery Jun. 16, 1998
5710261 Process for the separation of alcohols by distillation Jan. 20, 1998
5683555 Working up reaction mixtures obtained in addition reactions with acetylene or propyne Nov. 4, 1997

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