| 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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| 05/19/1999 | EP0916620A2 Desalting aqueous streams via filled cell electrodialysis |
| 05/19/1999 | CN1217004A Integral multi-layered ion-exchange composite membranes |
| 05/19/1999 | CN1216931A Extraction method and apparatus |
| 05/19/1999 | CN1216773A Purification of macromolecular chromophores (MMCs) using membrane processes for ink-jet inks |
| 05/18/1999 | US5904853 Wastewater treatment process and apparatus for high flow silica removal |
| 05/18/1999 | US5904829 Method of converting amine hydrohalide into free amine |
| 05/18/1999 | US5904823 Methods of purifying hydroxylamine solutions and converting hydroxylamine salts to hydroxylamine |
| 05/14/1999 | WO1999022868A1 Pressure-enhanced extraction and purification |
| 05/14/1999 | WO1999022852A1 Method for producing hollow fibrous membranes for microfiltration, ultrafiltration or gas separation |
| 05/14/1999 | WO1999022851A1 Membrane filtration device |
| 05/14/1999 | WO1999022850A1 Membrane purification device |
| 05/14/1999 | WO1999022838A1 Separation process and apparatus |
| 05/14/1999 | CA2307876A1 Pressure-enhanced extraction and purification |
| 05/12/1999 | EP0914195A1 Method for separating a catalyst by membrane electrodialysis |
| 05/12/1999 | DE19749875A1 Cleaning of tubes which supply consumable agents to dialysis machine |
| 05/11/1999 | US5902747 Transferring gaseous component between two fluids through membrane unit including liquid impermeable, oxygen permeable nonporous membrane formed of amorphous copolymer of perfluoro-2,2-dimethyl-1,3-dioxole |
| 05/11/1999 | US5902490 Filtration method and device useable for removal of leukocytes and other blood components |
| 05/06/1999 | WO1999021901A1 Processes for producing n,n-dialkylallylamine polymers and n,n-dialkylallylamine polymers |
| 05/06/1999 | WO1999021800A1 Method and device for adjusting the permeate flow rate in membrane bioreactors for water treatment |
| 05/06/1999 | WO1999021644A1 Hollow fiber contactor and process |
| 05/06/1999 | WO1999021634A1 Process and plant to extract and concentrate tannins from wood and from other natural products |
| 05/06/1999 | WO1999010015A3 Method for producing contrast agents largely free of side-effects |
| 05/06/1999 | EP0913422A2 Ion exchange membrane |
| 05/06/1999 | EP0913391A1 Desalination of aqueous sulfonamide solutions |
| 05/06/1999 | EP0912446A1 Water treatment |
| 05/06/1999 | EP0912233A1 Water treatment apparatus comprising membranes |
| 05/06/1999 | EP0912206A1 Disposable hemodiafiltration set |
| 05/06/1999 | DE19807864C1 Permeative separation of palladium and platinum complex compounds |
| 05/04/1999 | US5900151 Method for sulphate removal magnesium chloride brine |
| 05/04/1999 | US5900133 Electrolysis by applying direct current to a three-compartment cell having an aqueous solution of amine salt as catholyte and aqueous hydrogen halide solution in the intermediate and anolyte; separator of ion exchange membranes |
| 04/29/1999 | WO1999020567A1 Apparatus for electrically producing deionized water |
| 04/29/1999 | WO1999020377A1 Hollow fiber ultradialyzer apparatus |
| 04/29/1999 | WO1999020376A1 Automatic priming of blood sets |
| 04/28/1999 | EP0911835A1 Method and device for separating 7Li from the primary coolant loop of a nuclear power plant |
| 04/28/1999 | EP0911043A1 Method for measuring performance parameters of substance and energy exchange modules |
| 04/28/1999 | EP0910461A1 Multi-port, multi-stream valve apparatus |
| 04/28/1999 | EP0910451A1 Multiple element filter |
| 04/28/1999 | EP0910446A1 Method and apparatus for diffusive transfer between immiscible fluids |
| 04/28/1999 | EP0685005B1 Turbulent flow electrodialysis cell |
| 04/28/1999 | CN1215351A 改进的膜 Improved membrane |
| 04/28/1999 | CN1215350A Method for separating a catalyst by membrane electrodialysis |
| 04/27/1999 | US5897780 Mixing with brine; separation by reverse osmosis using semipermeable membrane |
| 04/27/1999 | CA2172275C Process for production of acidified process streams |
| 04/22/1999 | WO1999019053A1 Methods and devices for producing solid subassemblies of fluidic particulate matter |
| 04/22/1999 | WO1999012651B1 Flow-through microcentrifuge |
| 04/21/1999 | EP0909209A1 Pervaporisation and module for carrying out said process |
| 04/21/1999 | EP0909206A1 Extraction method and apparatus |
| 04/21/1999 | CN1214613A Green tea extract subjected to cation exchange treatment and manofiltration to improve clarity and color |
| 04/21/1999 | CN1043079C Device for analyzing fluid medium |
| 04/21/1999 | CN1043078C Device for analyzing fluid medium |
| 04/20/1999 | US5895573 Bundle of capillary ultrafiltration membranes fitted in a filter housing |
| 04/20/1999 | CA2017736C Electrodeposition coating system |
| 04/15/1999 | WO1999018294A1 Drinking water treatment installation |
| 04/15/1999 | WO1999018040A1 Water purifying and dispensing apparatus |
| 04/15/1999 | WO1999018033A1 Apparatus and method for the purification of water |
| 04/15/1999 | DE19744490A1 Table water supply delivered by carbon filter arranged in series with second filter |
| 04/15/1999 | CA2305776A1 Water purifying and dispensing apparatus |
| 04/15/1999 | CA2305583A1 Apparatus and method for the purification of water |
| 04/15/1999 | CA2246647A1 Desalting of aqueous sulfonamide solutions |
| 04/14/1999 | EP0907403A1 Modular apparatus for the demineralization of liquids |
| 04/14/1999 | EP0671980B1 Dispensing device |
| 04/14/1999 | CN1214110A Pressure vessels and end closures thereof |
| 04/13/1999 | US5894077 Electrolysing alkaline solution using porous liquid-permeable high surface area electrode as cathode |
| 04/08/1999 | WO1999016714A1 Process for desalination of saline water, especially sea water, having increased product yield and quality |
| 04/08/1999 | WO1999016542A1 Microchannel laminated mass exchanger and method of making |
| 04/08/1999 | WO1999016537A1 Method of manufacturing polyester using crossflow membrane filtration |
| 04/08/1999 | DE19743933A1 Method for surface treatment of components, in particular, automobile body structures |
| 04/07/1999 | EP0662857B1 Systems and methods for reducing leukocytes in cellular products |
| 04/06/1999 | US5891972 Method of manufacturing water-soluble polymers, polymers manufactured thereby, and uses of said polymers |
| 04/06/1999 | US5891740 Simple and efficient detection of one part per billion of pesticides/toxins; concentrating analyte from sample by binding to aliphatic hydrocarbon coating on silica particles, eluting into container, then immunoassay |
| 04/06/1999 | US5891342 Dewatering process |
| 04/06/1999 | US5891328 Membrane-frame for processes including electrodialysis |
| 04/06/1999 | CA2064712C Method and apparatus for administration of anticoagulant to red cell suspension output of a blood separator |
| 04/05/1999 | CA2248556A1 Filter means and method for the purification of water |
| 04/01/1999 | WO1999015464A1 Recovery and reuse of nonionic surfactants from aqueous solutions |
| 04/01/1999 | WO1999015463A1 Apparatus for obtaining pure water from crude water |
| 04/01/1999 | WO1999015252A1 Deaerating module |
| 04/01/1999 | DE19741546A1 Two-stage bottle washing process for recycled bottling plant |
| 03/31/1999 | EP0905282A1 Process for the electrochemical synthesis of n-acetylcysteine from cystine |
| 03/31/1999 | EP0904788A1 Apparatus and method of operating medico-technical devices |
| 03/31/1999 | EP0801590B1 Filtration apparatus |
| 03/31/1999 | EP0734365B1 Production of polymerization grade dicyclopentadiene |
| 03/31/1999 | EP0582632B1 Process and apparatus for removal of h2s from gaseous streams using membrane purification of recycle solution |
| 03/31/1999 | CN1212713A Method of producing water-soluble condensates and addition products containing amino groups, and use of said condensates and addition products |
| 03/31/1999 | CN1212636A Multi-port multi-stream valve apparatus |
| 03/30/1999 | US5888605 Polysulfone semipermeable membrane and method of manufacturing the same |
| 03/30/1999 | US5888401 Method and apparatus for reducing membrane fouling |
| 03/30/1999 | US5888381 Water filter with pressure actuated flow monitor |
| 03/30/1999 | US5888368 Process for manufacturing an aqueous sodium hydroxide solution |
| 03/30/1999 | US5888365 Electrophoretic separation |
| 03/30/1999 | US5888357 Apparatus and method for producing ionic water and system and method for producing electrolytic ionic water |
| 03/30/1999 | US5888311 Recycling cleaning solution, separating to provide soil-rich concentrate and low-soil content regenerate |
| 03/30/1999 | US5888272 Process for enriched combustion using solid electrolyte ionic conductor systems |
| 03/30/1999 | CA2186963C High water recovery membrane purification process |
| 03/30/1999 | CA2111052C Adsorption/reaction equipment |
| 03/25/1999 | DE19725096A1 Removing reactive dyes from highly colored waste water by adding water soluble polyampholye, then membrane filtering |
| 03/24/1999 | EP0902893A1 Means for the biological purification of a biological fluid |
| 03/24/1999 | EP0902722A1 Device for controlling, guiding, adjusting, measuring and monitoring liquid flows, and water treatment facility |
| 03/24/1999 | EP0902686A2 A process for the purification of opacifying contrast agents |
| 03/24/1999 | EP0804624B1 Chloride assisted hydrometallurgical copper extraction |