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)
08/1998
08/04/1998US5788742 Method and apparatus for degassing processing solution for substrates
08/04/1998US5788662 Surgical adhesive
08/04/1998US5788099 Vessel for containing batch quantities of dialysate or other physiologic solution chemicals
07/1998
07/30/1998WO1998032698A1 Portable water treatment device, water treatment cartridge, combined structure of cartridge and drinking bottle, and water treatment method using cartridge
07/30/1998WO1998032525A1 Electrochemically assisted ion exchange
07/30/1998WO1998032477A1 Process and device for monitoring recirculation during an extracorporeal blood treatment
07/30/1998DE19753326A1 Waste water treatment plant comprising activated sludge tank
07/30/1998DE19702292A1 Recovery of potable water by reverse osmosis using mains pressure
07/30/1998CA2225290A1 The purification of .alpha.,.beta. or .gamma.-substituted carboxylic acids
07/29/1998EP0855213A2 Device with liquid filter element containing hollow bodies
07/29/1998EP0855211A1 Membrane separation apparatus
07/29/1998EP0854845A1 Dewatering of sludges
07/29/1998EP0828552A4 Process for recovery of metal ions
07/28/1998US5785860 Lowering asphaltene content
07/28/1998US5785859 Condensation of steam phase with recovery of heat of condensation
07/28/1998US5785858 Method and apparatus for removing air locks within manually operated micro-filtration devices
07/28/1998US5785504 Pump with separate pumping stages for pumping a plurality of liquids
07/23/1998CA2227398A1 Apparatus and process for electrodialysis of salts
07/22/1998EP0853972A2 Electrodeionization apparatus and module
07/22/1998EP0853747A2 Combined water purifier/dispenser and walk-in cooler
07/22/1998CN2286429Y Porous core column electroosmosis pump
07/21/1998US5783237 Recycling salt solution in food processing and apparatus therefor
07/21/1998US5783083 Vertical cylindrical skein of hollow fiber membranes and method of maintaining clean fiber surfaces
07/21/1998US5783075 Disposable dialyzer apparatus
07/21/1998US5783072 Improved control of fluid volume, useful in home environment
07/21/1998US5782983 Dewatering cleaning method, dewatering cleaning apparatus, and concentration type filter for use therein
07/16/1998WO1998030905A1 Means for the biological purification of a biological fluid
07/16/1998WO1998030685A2 Purification and/or concentration of dna by cross-flow filtration, separation of endotoxins from a nucleic acid preparation
07/16/1998WO1998030571A1 Electrokinetic sample preparation
07/16/1998WO1998030501A2 Treatment of water by reverse osmosis
07/16/1998WO1998008606A3 Devices incorporating filters for filtering fluid samples
07/15/1998EP0853123A1 Purification of DNA by 'cross-flow-filtration'
07/15/1998EP0820586A4 Defining an electrode area
07/15/1998EP0692996B1 A method for concentrating a solute by continually altering the filtration direction through an asymmetric memrane
07/15/1998CN1187463A Method for sulphate removal from magnesium chloride brine
07/14/1998US5779911 Aqueous fluid purification monitoring and control system and process
07/14/1998US5779905 Process for the depyrogenation of injectable pharmaceutical solutions
07/14/1998US5779902 In-line vent filter for automatically draining a biological liquid filtration device
07/14/1998US5779879 Apparatus and method for reducing harmful substances in combustion gases
07/09/1998WO1998029183A1 Method for organising mass exchanges and device for realising the same
07/09/1998WO1998029176A1 Method and apparatus for treatment of liquid
07/09/1998WO1998029149A1 Intraoperative blood salvaging system and method
07/09/1998DE19700364A1 Elektrokinetische Probenvorbereitung Electrokinetic Sample Preparation
07/08/1998EP0851877A1 Method for concentrating aqueous tetrafluoroethylene emulsion by electrodialysis and its apparatus
07/07/1998US5776339 Water purifier having purified water storage tank and valve for discharging purified water before reaching the tank
07/07/1998US5776325 Conducting polymer membrane
07/07/1998CA2108023C Transportable reverse osmosis water purification unit
07/02/1998WO1998028230A1 Electrochemical leaching of soil
07/02/1998WO1998028066A1 Scouring method
07/02/1998WO1998028064A1 Membrane module with hollow fibre membranes arranged in layers
07/02/1998CA2639642A1 Scouring method
07/01/1998EP0850677A1 Hollow fiber separation membrane module of immersing type and method for manufacturing the same
07/01/1998EP0637997B1 Analysis based on flow restriction
06/1998
06/30/1998US5772900 Filter and filtration of fluids with abrasive grains, cutting chips and circulation of fluids for purification
06/30/1998US5772869 Data backup device for water purifier
06/30/1998US5772818 Apparatus for collection and transfer of particles and manufacture thereof
06/30/1998US5772013 Method and apparatus for producing di- and more highly oxidized carboxylic acids
06/30/1998CA2012767C Method for processing aqueous fermentation broths
06/25/1998WO1998026859A1 Method, device and apparatus for concentrating and/or purifying macromolecules in a solution
06/25/1998DE19717043A1 Process equipment, use of equipment and/or process for degassing and/or dewatering hydraulic fluids
06/25/1998DE19654619A1 Washing machine water recycling
06/25/1998DE19653325A1 Unit for blood dialysis and related treatment, employing bellows causing flow of rinsing fluid through dialysis duct
06/25/1998DE19652500A1 Beverages filter comprising vertical vessel with common shaft and filter elements supported upon it
06/24/1998EP0848702A1 Substituted trifluorostyrene compositions
06/24/1998EP0698000B1 Chlorine dioxide generation for water treatment
06/24/1998CN1185489A Electrochemical method for purification of hydroxide
06/24/1998CN1185350A Electrochemical process for purifying hydroxide compounds
06/24/1998CN1185349A 净化水装置 Water purification unit
06/24/1998CN1038816C Process for concentrating aqueous solution of clavulanate
06/23/1998US5770677 Process for the removal of alkali from condensation resins
06/23/1998US5770086 Methods and apparatus using hydrogels
06/23/1998US5770064 Combined holder and connector for a dialyser
06/23/1998US5770052 Device for controlling the ratio of pure water to concentrated water in water purifiers
06/23/1998CA2016863C Dialysis unit with improved saline priming and saline disposal
06/18/1998DE19651867A1 Electrodialysis unit for cutting fluid formed by compact, concentric arrangement of tubes
06/17/1998EP0847523A2 Device and method for the removal and determination of volatile or dissolved components of liquids or gases
06/17/1998EP0847464A1 Method of effecting fluid flow in porous materials
06/17/1998EP0847374A1 Process for water treatment in a closed circuit with a reactor
06/17/1998CN2284237Y Water filling sterilizing and purifying filter element
06/17/1998CN1184693A Tip resistant bottle filter
06/16/1998US5766479 Production of high purity water using reverse osmosis
06/16/1998US5766478 Water-soluble polymers for recovery of metal ions from aqueous streams
06/16/1998US5766453 Filtered water dispensing cabinet
06/16/1998US5766452 Water purifier having control valve for discharging waste water
06/16/1998US5766438 Periodically inverting polarity of electrodes at short intervals
06/11/1998WO1998024537A1 Separator for an electrodialysis cell and electrodialysis cell equipped with these separators
06/11/1998WO1998024331A1 Method of processing, in particular concentrating, fruit and/or vegetable juice and arrangement for carrying out this method
06/10/1998EP0846470A1 Batch dialysate conductivity adjustment in a batch dialysate preparation system
06/10/1998EP0846083A1 Process and device for treatment of water from a biodegradeable process
06/10/1998EP0846023A2 Vertical skein of hollow fiber membranes and method of maintaining clean fiber surfaces
06/10/1998DE19647293C1 Verhinderung und Verzögerung der Belagsbildung in Membranprozessen Prevention and delay of scale formation in membrane processes
06/10/1998CN1184081A Energy recovering device for sea water and bitter salt water desalting equipment based on reverse osmosis technology
06/10/1998CN1038652C Operating method of gas membrane separator set for gas replacement
06/09/1998US5762875 Oxygenator core so structured that the oxygenating fibers cannot obstruct the blood manifold window when they are wound on the core; used in cardiac bypass surgery
06/09/1998US5762798 Hollow fiber membranes and method of manufacture
06/09/1998US5762797 Antimicrobial filter cartridge
06/09/1998US5762791 Used for transfusion or long term storage; utilizing a membrane separator
06/09/1998US5762782 Water treatment for dialysate preparation
06/09/1998US5762774 Apparatus for the purification of liquids and a method of manufacturing and of operating same
06/04/1998WO1998023538A1 Wastewater treatment process and apparatus for high flow impurity removal