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Class Information
Number: 159/DIG.10
Name: Concentrating evaporators > Organic
Description:










Patents under this class:
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Patent Number Title Of Patent Date Issued
8518212 Devolatilization apparatus and process Aug. 27, 2013
8486223 Falling film evaporator Jul. 16, 2013
7682484 Apparatus and method for removing volatile components from viscous liquids Mar. 23, 2010
7332058 Heat exchanger and process for devolatilizing polymers using same Feb. 19, 2008
7252743 Method for concentrating solution Aug. 7, 2007
7087139 Apparatus and method for removal of volatiles from a mass processable polymer Aug. 8, 2006
6780281 Strand evaporator Aug. 24, 2004
6761797 Apparatus for carrying out mass transfer processes Jul. 13, 2004
6627040 Device and method for removing volatile components from polymer solutions Sep. 30, 2003
6572831 Materials treatment Jun. 3, 2003
6506281 Method for isolating polymers from solutions Jan. 14, 2003
6375793 Method and tower for removing residual monomers Apr. 23, 2002
6332958 Methods and apparatus for removing residual monomers Dec. 25, 2001
5929206 Continuous process for removing the residual monomer or monomers from an aqueous latex of a synthetic polymer and device for carrying it out Jul. 27, 1999
5849161 Method for treating solution of organic compound Dec. 15, 1998
5824196 Decontamination of RPET by steam distillation Oct. 20, 1998
5804039 Method for removing residual monomers Sep. 8, 1998
5772851 Elimination of volatile residues from polyacrylate melts Jun. 30, 1998
5710261 Process for the separation of alcohols by distillation Jan. 20, 1998
5685957 Method for removing acidic and salt impurities from an aqueous condensed phase containing dimethylcarbonate Nov. 11, 1997
5609733 System and method for converting toxic washwater to distilled water Mar. 11, 1997
5596067 Free fall polymerization process for the production of polycarbonates Jan. 21, 1997
5534113 Forming solutions Jul. 9, 1996
5478443 Apparatus for separating biochemical compounds from biological substances Dec. 26, 1995
5468429 Ultrasound-enhanced devolatilization of thermoplastic plastics Nov. 21, 1995
5462643 Method for reprocessing solvent mixtures containing constituents of low volatility and apparatus suitable therefor Oct. 31, 1995
5453158 Polymer devolatilizer Sep. 26, 1995
5382321 Process for the concentration of spent liquors Jan. 17, 1995
5354433 Method for producing a flow of triisobutylaluminum from liquid triisobutylaluminum containing isobutene Oct. 11, 1994
5326855 Process for the manufacture of elastomers in particulate form Jul. 5, 1994
5314579 Process for removing hydrocarbons from polymer slurries May. 24, 1994
5283021 Process for removing the solvent from an elastomeric polymer solution Feb. 1, 1994
5252187 Method of recovering solvent from mother liquor containing non-volatile matters by heat pump system Oct. 12, 1993
5234554 Method of separation of fatty alcohols from solutions comprising alkyl polyglycosides and fatty alcohols by distillation Aug. 10, 1993
5217579 Distillation system for treating waste organic solvent Jun. 8, 1993
5203969 Method of separating and recovering components of mixtures via pervaporization Apr. 20, 1993
5202001 Preparation of urethane prepolymers having low levels of residual toluene diisocyanate Apr. 13, 1993
5118388 Polymer melt distributor Jun. 2, 1992
5108549 Method of separating and recovering components of mixtures via pervaporization Apr. 28, 1992
5096538 Vacuum drying method Mar. 17, 1992
5096629 Method for preparing lipid powder for use in preparing liposomes and method for preparing liposomes Mar. 17, 1992
5089091 Odor removal from polyphenylene ether resins by steam distillation Feb. 18, 1992
5084134 Process for the devolatilization of polymer solutions Jan. 28, 1992
5069750 Distributor for a devolatilizer Dec. 3, 1991
5024728 Devolatilization of liquid composition containing polymer and volatile constituents Jun. 18, 1991
4981554 Thin-layer evaporator for high-viscosity, fluids Jan. 1, 1991
4934433 Devolatilization Jun. 19, 1990
4909898 Polymer recovery from solution Mar. 20, 1990
4872949 Process for treatment of drilling mud Oct. 10, 1989
4865689 Method and apparatus for evaporating the volatile components of a polymer Sep. 12, 1989

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