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Class Information
Number: 159/2.1
Name: Concentrating evaporators > Superheating and pressure release
Description: Apparatus comprising a closed vessel adapted to heat a liquid, but to maintain sufficient ebullition in communication with a space of less pressure into which the heated liquid is discharged to cause evaporation.


Sub-classes under this class:

Class Number Class Name Patents
159/2.2 With extruder 47


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7470348 Separator for producing aromatic carboxylic acids Dec. 30, 2008
7465376 Method and device for treating liquids Dec. 16, 2008
7442348 Sulfur-bearing residue treatment system Oct. 28, 2008
7416642 System for cooling a heated juice by partial low-pressure evaporation Aug. 26, 2008
7390380 Processing of shipboard wastewater Jun. 24, 2008
7351312 Apparatus for obtaining sample and process therefor Apr. 1, 2008
7332058 Heat exchanger and process for devolatilizing polymers using same Feb. 19, 2008
7291250 Vacuum distillation system and use thereof for concentrating organic-aqueous solvent mixtures Nov. 6, 2007
7268206 Process and apparatus for degassing a polymer Sep. 11, 2007
7252743 Method for concentrating solution Aug. 7, 2007
7153394 System to isolate dianhydrides Dec. 26, 2006
7146746 Method of decontamination and decontamination apparatus Dec. 12, 2006
7140122 Vacuum treatment of waste stream with anti-incrustation measures Nov. 28, 2006
7008516 Method and apparatus for desalinating and concentrating sea water, desalinated deep water and concentrated deep water Mar. 7, 2006
H2134 Apparatus and method for forming polymer crumb Dec. 6, 2005
6969446 Method for producing concentrated nitric acid and installation for carrying out a method of this type Nov. 29, 2005
6958107 Cyclonic evaporator Oct. 25, 2005
6939444 Sulfur-bearing residue treatment system Sep. 6, 2005
6936140 Water distillation system Aug. 30, 2005
6887345 Process and device for evaporating liquids, for example black liquor from cellulose cooking, which contain solid and dissolved substances May. 3, 2005
6869501 Continuous process for controlled concentration of colloidal solutions Mar. 22, 2005
6797125 Method of treating condensates Sep. 28, 2004
6780281 Strand evaporator Aug. 24, 2004
6761797 Apparatus for carrying out mass transfer processes Jul. 13, 2004
6761799 Method and arrangement for combusting black liquor Jul. 13, 2004
6740205 Processing of shipboard wastewater May. 25, 2004
6685802 Process and apparatus for removing dissolved and undissolved solids from liquids Feb. 3, 2004
6635150 Method for distilling a fluid with horizontal vapor transfer into a condensation zone and modular device for implementing said method Oct. 21, 2003
6627040 Device and method for removing volatile components from polymer solutions Sep. 30, 2003
6485607 Methods for removing volatile components from polymer solutions Nov. 26, 2002
6454907 Method and apparatus for concentrating slurried solids Sep. 24, 2002
6444095 System for recovering glycol from glycol/brine streams Sep. 3, 2002
6224716 Apparatus for dehydrating oil May. 1, 2001
6106673 Method for separating components of a fermentation process byproduct containing oil bound with fibers Aug. 22, 2000
6056791 Process for the production of particles or powders May. 2, 2000
5968312 Liquid flow distribution and flow control with dual adjustable orifice plates or overlapping orifices Oct. 19, 1999
5925223 Process for improving thermal efficiency while producing power and desalinating water Jul. 20, 1999
5772895 System for controlling the composition of color coupler on a real-time basis Jun. 30, 1998
5750007 Process for the recovery of a carbonylation product May. 12, 1998
5738762 Separating oil and water from emulsions containing toxic light ends Apr. 14, 1998
5723433 Sovent removal process Mar. 3, 1998
5662774 Adjusting the sulphur balance of a sulphate cellulose plant by heat treating black liquor in a last evaporation stage Sep. 2, 1997
5651927 Multiple reaction process in melt processing equipment Jul. 29, 1997
5582691 Ocean thermal energy conversion (OTEC) system Dec. 10, 1996
5582690 Method of and means for water desalinization Dec. 10, 1996
5565161 Process for producing a functionalized thermoplastic polymer Oct. 15, 1996
5552096 Multiple reaction process in melt processing equipment Sep. 3, 1996
5540813 Method for reducing volatiles in polymerized styrene Jul. 30, 1996
5453158 Polymer devolatilizer Sep. 26, 1995
5382321 Process for the concentration of spent liquors Jan. 17, 1995

1 2 3


 
 
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