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)
10/1997
10/01/1997EP0798003A2 Use of structured depth filters for virus removal
10/01/1997EP0797472A1 Process and plant for separating heavy and light compounds by extraction with a supercritical fluid and by nanofiltration
10/01/1997CN2263544Y Doughnut milipore filter drinking water decontamination plant with prefilter pressure limiter
09/1997
09/30/1997US5672481 Apparatus and method for particle separation in a closed field
09/30/1997US5672319 Device for analyzing a fluid medium
09/25/1997WO1997035125A1 Pressure vessels and end closures therefor
09/25/1997WO1997035029A1 Alternative process for producing 6-amino-penicillanic acid (6-apa)
09/25/1997WO1997034696A1 Method and apparatus for producing deionized water
09/24/1997EP0796139A1 Modular transfer device for the transfer of material and/or heat from one medium stream to another medium stream, and module therefor
09/24/1997EP0796138A1 Micro-filtration device
09/23/1997US5670053 Purification of gases from water using reverse osmosis
09/23/1997US5670052 Crosslinked membrane
09/23/1997US5670050 Method for detection of leakage of blood
09/23/1997CA2111796C Process for converting heat stable amine salts to heat regenerable amine salts
09/18/1997WO1997033832A1 Seawater desalination system-kish water supply scheme
09/18/1997WO1997033683A1 Endotoxin-specific membranes
09/18/1997WO1997003926A3 Biofouling reduction
09/18/1997DE19609479A1 Endotoxin-spezifische Membranen Endotoxin-specific membranes
09/18/1997CA2249548A1 Endotoxin-specific membranes
09/17/1997EP0795553A1 Production of isoflavone enriched fractions from soy protein extracts
09/17/1997EP0794828A1 Carrier disc and membrane cushion for filtration and separation
09/17/1997EP0794822A1 Solid phase microextraction with vibration
09/17/1997CN1159769A Cleaning of hollow fibre membranes
09/17/1997CN1159768A Dewatering process
09/12/1997WO1997032653A1 Selective membrane/sorption techniques for salvaging blood
09/12/1997WO1997032652A1 Separation method and apparatus
09/12/1997CA2247031A1 Selective membrane/sorption techniques for salvaging blood
09/11/1997DE19605683A1 Verfahren zur Trennung von Substanzen mittels einer geeigneten Membran A method for separating substances by means of a suitable membrane
09/10/1997EP0793997A1 Method and apparatus for separating liquid mixtures
09/10/1997EP0793994A1 Wet flue gas desulfurization system
09/10/1997EP0793528A1 Liquid separation by zeolite membranes
09/10/1997EP0589032B1 Process and device for recycling polluted process water
09/10/1997CN2261878Y Filter for running water
09/09/1997US5665247 Maintaining a differential pressure substantially constant over a multiwell microfiltration device
09/09/1997US5665237 Separation of naphthalenesulfonate-based carbonyl condensates from water
09/04/1997WO1997032000A2 Cleaning agent for food-industry facilities, its use and method of cleaning such facilities using the agent
09/04/1997DE19607800A1 Reinigungsmittel für Anlagen der Lebensmittelindustrie, seine Verwendung und Verfahren zum Reinigen dieser Anlagen Cleaning agent for plants of the food industry, its use and method for cleaning this equipment
09/04/1997CA2248080A1 A cleaning formulation for equipment used in the food industry, its use and a process for cleaning such equipment
09/03/1997EP0792896A2 Process for separating lye from condensation resins
09/03/1997EP0792190A1 Vacuum manifold for laboratory processing of multiple liquid samples
09/03/1997EP0792182A1 Multiple compartment filter
09/03/1997EP0749345A4 A filtration device for removal of leukocytes
09/03/1997CN1158274A Highly permeable composite reverse osmosis membrane
09/03/1997CN1035746C Ultrafiltration process for recovery of polymeric latices from whitewater
09/02/1997US5662793 Valve assembly of a reverse osmosis water purification system
08/1997
08/28/1997WO1997030938A1 Modular water-treatment apparatus
08/28/1997WO1997030735A2 A process for the purification of opacifying contrast agents
08/28/1997WO1997030597A1 Green tea extract subjected to cation exchange treatment and nanofiltration to improve clarity and color
08/27/1997EP0791368A2 Dialyser
08/27/1997EP0790849A1 Method and apparatus for diffusive transfer between immiscible fluids
08/27/1997CN1157887A Selectable drainage switching device for purifier
08/26/1997US5660728 Accurate material handling
08/26/1997US5660720 Connector system for use with reverse osmosis water purifier
08/26/1997US5660709 Electrochemical process and device for the production of metallic hydroxides and/or metallic-oxide hydroxides
08/21/1997WO1997030233A1 System for non-potable water reuse
08/21/1997WO1997029997A1 Method and plant for purification of contaminated water
08/21/1997WO1997029995A1 Plant for production of drinking water from unfiltered water
08/21/1997WO1997029994A1 Plant for purification of contaminated water
08/21/1997WO1997029837A2 Process for separating substances using a suitable membrane
08/21/1997WO1997029828A1 Endless bandpass filter for micro filtration
08/21/1997DE19605580A1 Collecting halogenated hydrocarbon impurities in waste water
08/21/1997DE19602217C1 Process for treatment of waste water with denitrification
08/20/1997CN2259940Y Five cell type electrodialysis apparatus for removing salt
08/20/1997CN1157639A Mesoscale polynucleotide amplification device
08/20/1997CN1157264A Draining control apparatus of coldness and warmth water purifier and method thereof
08/20/1997CN1157184A Wet flue gas desulfurization system
08/19/1997US5658456 Electronic reader; ?touch? memory buttons, bar codes, magnetic strips
08/19/1997US5657750 Fluid filtering device utilizable with gas monitors
08/14/1997WO1997029203A1 Process for separating organic acids from a fermentation medium
08/14/1997WO1997029049A1 Sea water reverse osmosis desalination system, with permanent renewal of the water to be de-salted
08/14/1997WO1997028890A1 Method to treat whey
08/14/1997WO1997028889A1 Modular apparatus for the demineralization of liquids
08/14/1997CA2245566A1 Modular apparatus for the demineralization of liquids
08/14/1997CA2244109A1 Method to treat whey
08/14/1997CA2197525A1 Plating waste water treatment and metals recovery method
08/13/1997EP0789000A1 Process for treating polluted alkaline aqueous cleaning solutions
08/13/1997CN1156988A Plant and process for desalting marine water by reverse osmosis, by means of hydrostatic pressure
08/13/1997CN1156973A Mass transfer method and apparatus
08/11/1997CA2197049A1 Process for the removal of alkali from condensation resins
08/07/1997WO1997028101A1 Method for treating aqueous liquid effluents containing organic and inorganic materials to enable recycling thereof
08/07/1997DE19603494A1 Water softening process
08/07/1997CA2254711A1 Method for treating aqueous liquid effluents containing organic and inorganic materials to enable recycling thereof
08/06/1997EP0787829A1 A process for the regeneration of a nickel bath used for the coating of metal workpieces
08/06/1997EP0787523A1 Apparatus and process for material-specific treatment of fluids
08/06/1997EP0787275A1 Controlled delivery of filtered cryogenic liquid
08/06/1997EP0787116A1 Process for separating enantiomers from a racemic mixture
08/06/1997EP0787029A1 Method and apparatus for diffusive transfer between immiscible fluids
08/05/1997US5654480 Recovery and reuse of surfactants from aqueous solutions
08/05/1997US5653878 Single orifice bottle water filter
08/05/1997US5653877 Water purification system having multi-pass ultraviolet radiation and reverse osmosis chambers
07/1997
07/30/1997CN1155849A Zero waste effluent water desalination system
07/29/1997US5652050 Microporous membranes for separating, analyzing biological fluids
07/29/1997US5651894 Water purification system and method
07/29/1997US5651893 Circulation of heated water through filter membrane dialyzer
07/29/1997US5651889 Sludge treatment membrane apparatus
07/29/1997US5651877 Lubricating oil dewaxing with membrane separation
07/24/1997WO1997026033A1 Core structure for blood oxygenators
07/23/1997EP0785012A1 Blood filter unit
07/23/1997EP0784988A1 Intravenous filter device
07/23/1997EP0784503A2 A filter, apparatus including the filter and a method of use of the apparatus