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)
11/1999
11/17/1999CN2349196Y Small all-closed reverse osmosis double-temp water purifier
11/17/1999CN2348917Y Boiler multi-pipe water membrane dust remover
11/17/1999CN1235061A Charge mosaic membrane, its production process, method of its use, and apparatus provided with the same
11/16/1999US5985146 Sanitary rigid shell spiral wound element
11/16/1999US5985016 Forming aqueous solution of macromolecular chromophore and impurities, adding liquid containing desirable counterion, subjecting to membrane filtration, repeating to replace undesirable counterion
11/16/1999CA2163480C Nanofiltration of concentrated aqueous salt solutions
11/13/1999CA2271519A1 Process for the separation of tetrahydropyrimidine derivatives
11/11/1999WO1999056860A1 Device for obtaining a desalinated solution
11/11/1999WO1999042203A3 Method and device for the treatment and/or pretreatment of liquids to be treated by means of a membrane filtration device
11/11/1999WO1999040031A3 Water purification apparatus
11/11/1999DE19810976A1 Verfahren und Vorrichtung zum Reinigen von industriellem Abwasser aus Druckereien Method and apparatus for cleaning of industrial waste water from printing
11/10/1999CN2347651Y Improved roll film superfiltering device
11/09/1999US5981294 Filter compromising agglutinin immobolized on particles trapped in solid support matrix; for separating red blood cells from a whole blood sample; for accurate and timely screening of blood sample contents
11/09/1999US5980987 Method of making a composition for separating and concentrating certain ions from mixed ion solutions
11/09/1999US5980961 Purification by ion exchanging through a strong cationic exchange resin bed in a dilution compartment, maintaining the washing solution a ph value less than 5
11/09/1999US5980751 Air lift pump for membrane separation unit
11/09/1999US5980716 For purification of water by continuously removing dissolved carbon dioxide, iron oxides; for low conductivity watercooling of fuel cells
11/09/1999US5980709 Method of defining an electrode area
11/09/1999US5980481 Method and apparatus for continuous peritoneal cascade dialysis and hemofiltration (CPCD/H)
11/09/1999US5979670 Large pore synthetic polymer membranes
11/09/1999US5979669 Blood filter unit
11/09/1999US5979219 Probe for measuring volatile components in an aqueous solution
11/04/1999WO1999055449A1 Membrane which comprises a blend of a polysulphone or a polyether sulphone and polyethylene oxide/polypropylene oxide substituted ethylene diamine
11/04/1999WO1999055448A1 Automatic cleaning system for a reverse osmosis unit in a high purity water treatment system
11/04/1999WO1999055168A1 A process for the preparation of colostrum
11/03/1999EP0953578A2 Process for preparing starch hydrolyzates with low DE by nanofiltration fractionating, products so obtained and use of these products
11/03/1999EP0952885A1 Scouring method
11/03/1999EP0820344B1 Method for operating and controlling a bank of filtration membrane modules, and bank of modules therefor
11/03/1999EP0715659B1 Electrochemical process and device for the production of metal hydroxides and/or metal oxide hydroxides
11/03/1999EP0637986B1 Method and device for treating a parenteral emulsion-containing medicament fluid
11/03/1999CN2346787Y Marine seawater desalter
11/03/1999CN2346775Y 自清洗家用净水器 Self-cleaning household water purifiers
11/03/1999CN1234080A Prepn. of onium hydroxides in electrochemical cell
11/03/1999CN1233972A Modular filtration system
11/02/1999US5976363 Compact water-conserving kitchen water station with sink for supplying copious purified water, particularly for restaurants
11/02/1999US5976324 Removal of water from reaction mixtures
10/1999
10/28/1999WO1999054022A1 Filtration unit for removing contaminants from fluids
10/28/1999CA2288068A1 Apparatus for aseptic vortex flow concentration
10/27/1999EP0951933A2 Method and apparatus for membrane filtration of liquids
10/27/1999EP0951447A2 Treatment of water
10/27/1999EP0951343A2 Membrane module for substance-specific fluid treatment
10/27/1999EP0951342A1 Fluid driven pumps and apparatus employing such pumps
10/27/1999CN2345535Y Middle-sized CLS drinking bowl
10/27/1999CN2345264Y Membrane extraction-reextraction integral equipment
10/27/1999CA2269996A1 Process for producing low de starch hydrolysates by nanofiltration fractionation, products obtained thereby, and use of such products
10/26/1999US5972191 Electrodialysis apparatus
10/26/1999US5970782 Gradient filtration apparatus
10/21/1999WO1999053304A1 Method for electroelution of a biological sample and implementing device
10/21/1999WO1999052821A2 Method for purifying alkali metal silicate solutions
10/21/1999WO1999052618A2 Filter for removing solids from liquids
10/21/1999WO1999052615A1 Method for dehydrating a porous material
10/21/1999DE19817081A1 Filtration system separating biological cell suspension and solutions
10/21/1999DE19816871A1 Disposable filter cartridge for medical and domestic use
10/21/1999CA2328873A1 Filter for removing solids from liquids
10/21/1999CA2328318A1 Method for dehydrating a porous material
10/21/1999CA2328298A1 Method for electroelution of a biological sample and implementing device
10/20/1999EP0950432A1 Removal of agent from cell suspension
10/20/1999EP0949960A1 Method for producing hollow fibrous membranes for microfiltration, ultrafiltration or gas separation
10/20/1999EP0949951A1 Method and apparatus for treatment of liquid
10/20/1999EP0836537B1 Process for cleaning factory equipment with integrated prerinse
10/20/1999EP0519028B1 Device for cleansing the machining fluid for a spark-erosion or electrochemical processing machine
10/20/1999CN1232408A Water filtration device and method of its manufacture
10/19/1999US5968326 Using pulse laser deposition (pld) or reactive magnetron sputtering.
10/14/1999WO1999051529A1 Process for recovering onium hydroxides or onium salts from solutions containing onium compounds using electrochemical ion exchange
10/14/1999WO1999051349A1 Methods and apparatus for high throughput plate to plate or plate to membrane transfer
10/14/1999DE19812286A1 Continually-operated filter surrendering filtrate for automatic analysis
10/13/1999EP0948392A1 Microporous membranes and uses thereof
10/13/1999EP0689585B1 Beer clarification process by crossflow-microfiltration
10/13/1999CN1045606C Process for preparation of alkylglycosides
10/12/1999US5965032 Purification of α-, β- or γ-substituted carboxylic acids
10/12/1999US5965027 Process for removing silica from wastewater
10/12/1999US5964995 Enhancing material direction and transport by electroosmotic flow of a fluid containing that material by adding a zwitterionic compound; reducing electrophoretic separation of differentially charged species in a microscale fluid column
10/07/1999WO1999050186A1 Device and method for molecular polarization in water
10/07/1999WO1999037340A3 Biological fluid treatment system
10/07/1999DE19755426C2 Verfahren zur Gewinnung von natürlich vorkommenden organischen Säuren Process for the recovery of naturally occurring organic acids
10/06/1999EP0946301A1 Electrodeionization apparatus and method
10/06/1999EP0946269A1 Inhibition and delay of deposit formation in membrane processes
10/06/1999EP0946268A1 Method and apparatus for high efficiency reverse osmosis operation
10/06/1999EP0946233A1 Method of gasifying or degasifying a liquid
10/06/1999EP0797472B1 Process for separating heavy and light compounds by extraction with a supercritical fluid and by nanofiltration
10/05/1999US5961835 Process and installation for the separation of heavy and light compounds by extraction using a supercritical fluid and nanofiltration
10/05/1999US5961834 Simple micro method for concentration and desalting utilizing a hollow fiber, with special reference to capillary electrophoresis
10/05/1999US5961833 Gold ore is treated with an aqueous cyanide solution to produce a liquid product containing a gold-cyanide complex and a copper-cyanide complex. the liquid product is then delivered to a nanofiltration membrane allows passage of the gold
10/05/1999US5961832 Method and apparatus for diffusive transfer between immiscible fluids
10/05/1999US5961805 Method and apparatus for producing deionized water
10/05/1999US5961796 Ion exchange
09/1999
09/30/1999WO1999048820A1 Electric desalting apparatus
09/30/1999WO1999048819A1 Treatment of waste water during phosphating
09/30/1999WO1999048598A1 Filter system
09/30/1999WO1999048586A1 Apparatus and method for separating oxides of heavy isotopes of hydrogen from water
09/30/1999WO1999048376A1 Products, in particular milk products, comprising selected fractions of fat globules, method for obtaining same and use
09/30/1999DE19813058A1 Work-up of phosphating bath overflows and/or rinsing water
09/30/1999DE19812005A1 Pulsed stream is used in the electrodialytic regeneration of process solutions in galvanic and other deposition processes
09/30/1999CA2325987A1 Apparatus and method for separating oxides of heavy isotopes of hydrogen from water
09/30/1999CA2324299A1 Products, in particular milk products, comprising selected fractions of fat globules, method for obtaining same and use
09/29/1999EP0944747A1 Preparation of onium hydroxides in an electrochemical cell
09/29/1999EP0944717A1 Method for producing recombinant adenovirus
09/29/1999EP0944420A1 Liquid chromatography column
09/29/1999EP0702795B1 Device for analyzing a fluid medium
09/29/1999CN2340773Y Water purifier