Patents
Patents for B01D 61 - Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor (28,150)
12/1998
12/01/1998US5843317 Recovery and reuse of anionic surfactants from aqueous solutions
12/01/1998US5842838 Stable wave motor
11/1998
11/26/1998WO1998052627A1 Method of reducing the possibility of transmission of spongiform encephalopathy diseases by blood products
11/25/1998EP0879634A2 Process of purification of leachate from dumps via ultrafiltration and reverse osmosis
11/25/1998EP0879079A1 Membrane filter with electrical and/or acoustic enhancement
11/24/1998US5840252 Basifying liquid product, adding carbon dioxide or carbon dioxide-forming compound to solution, storing in gas permeable container, allowing ph to increase with release of carbon dioxide; stable dialysis solutions
11/24/1998US5840192 Single-film membrane, process for obtaining it and use thereof
11/24/1998US5839467 Fluid flow regulator
11/19/1998WO1998051621A1 Electrochemical treatment of ion exchange material
11/19/1998WO1998051620A1 Purification of a liquid stream
11/18/1998EP0878561A2 Process and apparatus for the regeneration of tin plating solutions
11/18/1998EP0878229A2 Process for removal of high-molecular compounds from a process stream
11/18/1998EP0877721A1 Method for treating aqueous liquid effluents containing organic and inorganic materials to enable recycling thereof
11/18/1998EP0877714A1 Treatment of alkaline rinse water by reverse osmosis following neutralisation with biogenic carbon dioxide
11/18/1998EP0877648A1 System for filtering medical and biological fluids
11/18/1998EP0804277B1 Regeneration of acids, in particular of strong organic acids, by electrodialysis using bipolar membranes
11/18/1998EP0746404B1 Process for recovering guanidine salts
11/17/1998US5837147 Methods and apparatus for controlling the draining of water from a water purifier
11/17/1998US5837142 Membrane process for treating sanitary wastewater
11/17/1998US5837124 Method and apparatus for preventing scale from precipitating in producing deionized water
11/12/1998WO1998050699A1 Automated, quantitative filtration of liquids
11/12/1998WO1998050088A1 Method and apparatus for continuous peritoneal cascade dialysis and hemofiltration (cpcd/h)
11/11/1998EP0876198A1 Method and device for removing iron from aqueous liquids
11/11/1998EP0876196A1 Process for purifying a liquid contaminated by filamentary molecules
11/11/1998EP0876195A1 Method of filtering the organic solutions arising in the production of circuit boards
11/11/1998EP0876174A1 The use of an in-line filter in the preparation of total nutrient admixtures
11/11/1998EP0646042B1 Electrochemical method for the preparation of adipic acid
11/10/1998US5833860 Centrifugal adsorptive sample preparation device and method
11/10/1998US5833846 Pretreatment; decarbonation; reverse osmosis; non-regeneration type ion exchanger; ultraviolet radiation oxidizer; cartridge polisher; membrane separation unit
11/10/1998US5833832 Preparation of onium hydroxides in an electrochemical cell
11/05/1998WO1998049102A1 Method and device for treating wastewaters from a chemical-mechanical polishing process in chip manufacturing
11/05/1998WO1998048926A1 Ink deaerating hollow yarn membrane, ink deaerating method, ink deaerating apparatus, ink cartridge manufacturing method, and ink
11/04/1998EP0874692A1 Wet process for the classification of super fines
11/04/1998EP0874689A1 Electrodeionization apparatus having geometric arrangement of ion exchange material
11/04/1998EP0874683A1 Extra-lumenal crossflow plasmapheresis devices
11/04/1998EP0874682A1 Process for desalinating water and a suitable device
11/04/1998CN1197687A Plate-frame membrane assembly for osmotic vaporization process
11/03/1998US5831081 Process for the purification of water-soluble cyclodextrin derivatives
11/03/1998US5830568 Laminated glass with functional ultra-fine particles and method of producing same
11/03/1998US5830260 Cooling; membrane filtration
11/03/1998CA2171298C Trifluorostyrene and substituted trifluorostyrene copolymeric compositions and ion-exchange membranes formed therefrom
11/03/1998CA2132234C Filtration membrane module
10/1998
10/29/1998WO1998048175A1 Method for dehydrating and/or degassing hydraulic fluids, device for carrying out said method and use of said device
10/29/1998WO1998047599A1 Filter tube, specially for microspheres
10/28/1998EP0874277A1 Method of treating a photographic processing solution
10/28/1998EP0873780A1 Novel separative membrane and method for using this membrane
10/28/1998EP0873388A1 Process for the washing of laundry
10/28/1998EP0873371A1 Method of producing water-soluble condensates and addition products containing amino groups, and use of said condensates and addition products
10/28/1998EP0873174A1 Vacuum filter device and method
10/28/1998EP0838045A4 Making a photopolymer printing plate
10/27/1998US5827429 Intravenous filter device
10/27/1998US5827428 Filtered water drain for a spillage collector on a purified water dispenser
10/22/1998WO1998046533A1 Process for purifying water
10/22/1998WO1998046338A1 Modular filtration systems and methods
10/22/1998WO1998046337A1 Method and installation for tangential filtration of a viscous liquid
10/22/1998WO1998030685A3 Purification and/or concentration of dna by cross-flow filtration, separation of endotoxins from a nucleic acid preparation
10/22/1998DE19757138C1 Beer wort condensate processing apparatus
10/21/1998EP0871544A1 Multiple sample filtration device
10/21/1998EP0871539A1 Tangential flow planar microfabricated fluid filter
10/21/1998CN1196688A Affinity membrane system and method of using same
10/20/1998US5824224 Placing transformant culture sample in filter tube, lysis of bacterial cells, denaturatiion unwanted proteins and chromosomal dna, hydrolysis of rna, filtration, absorption, and elution
10/20/1998US5824223 Methods and apparatus for osmotic distillation
10/20/1998US5824215 Water purifier
10/15/1998WO1998045929A1 Methods and systems for enhanced fluid transport
10/15/1998WO1998045029A1 Method for producing beer
10/15/1998WO1998045028A1 Filter device with a flow guide in the closing cap
10/15/1998WO1998045016A1 Extraction method and apparatus
10/15/1998DE19731177C1 Mobile assembly to treat small to medium quantities of farm animal slurry
10/15/1998DE19714512A1 Floating deep water power station extracts energy from wind, wave, water and solar sources
10/15/1998CA2286267A1 Method for producing beer
10/15/1998CA2284622A1 Methods and systems for enhanced fluid transport
10/14/1998EP0870533A1 Apparatus for producing deionized water
10/14/1998EP0870532A2 Methods of purifying hydroxylamine solutions and converting hydroxylamine salts to hydroxylamine
10/14/1998EP0869918A1 Water desalination
10/14/1998EP0646106B1 Method for the simultaneous preparation of dicarboxylic acids and diamines by decomposing polyamides into their constituent monomers
10/14/1998CN2294102Y Domestic electro-dialyzing water purifying device
10/14/1998CN2294101Y Washable super filtration water purifing device without logged water
10/14/1998CN1195659A Purification of alpha-, bera- or gamma-substituted carboxylic acids
10/13/1998US5820765 Metal sensing rods determine flow of electric current in supply and purified water as a measurement of filter performance
10/13/1998US5820755 Filter unit comprising cellulose nitrate membrane which selectively adsorbs blood leukocytes without being clogged by proteins
10/13/1998US5820690 Cleaning processes using cleaners exhibiting cloud point behavior
10/13/1998US5819784 Water purifier having a water discharge valve for draining water storage tanks
10/10/1998CA2234185A1 Apparatus for producing deionized water
10/08/1998WO1998044348A1 Detection of low level hydrophobic analytes in environmental samples
10/08/1998WO1998044347A1 Detection of low level analytes in samples
10/08/1998WO1998044169A1 Synthesis of onium hydroxides from onium salts
10/08/1998WO1998043919A1 Method for treating waste water, especially from and malt houses and breweries
10/08/1998WO1998043724A1 Isolation apparatus
10/08/1998CA2286361A1 Method of processing waste water, in particular from malt factories and breweries
10/08/1998CA2285230A1 Synthesis of onium hydroxides from onium salts
10/07/1998EP0868208A1 Affinity membrane system and method of using same
10/07/1998EP0646107B1 Method for the simultaneous preparation of dicarboxylic acids and diamines from polyamides
10/07/1998CN1195301A In-line blood filtration device
10/06/1998US5817884 Process for preparing aldehydes
10/06/1998US5817359 Methods for dealcoholization employing perstration
10/06/1998US5817231 Water purifying and vending apparatus
10/06/1998US5817043 Set for conveying blood between a patient and a blood treatment device
10/04/1998WO1998045019A1 Organic contaminant recovery arrangement and method of using same
10/04/1998CA2248280A1 Organic recovery system and method
09/1998
09/30/1998EP0867713A2 Probe for measuring volatile components in an aqueous solution