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