Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 61 - Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
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)
11/1989
11/15/1989CN1037180A Yarn consolidation by wrapping for hollow fiber membranes
11/15/1989CN1037087A Blood cleaning hollow fiber membrane, method for cleaning blood and apparatus therefor
11/14/1989US4880535 Water supply station with multiple water storage reservoirs
11/14/1989US4880534 Reverse osmosis water purification system with improved pressure relief valve
11/14/1989US4880513 Method and apparatus for generating acid and base regenerants and the use thereof to regenerate ion-exchange resins
11/14/1989US4880440 Hollow fiber multimembrane cells and permeators
11/08/1989EP0340544A2 Process for the treatment of aqueous, electrolyte containing suspensions of phyllosilicates with a high savelling capacity
11/07/1989US4879316 Interpenetrating polymer network ion exchange membranes and method for preparing same
11/07/1989US4879098 Device for the separation of the lighter fraction from the heavier fraction of a liquid sample
11/07/1989US4879043 Manufacture of high purity hydrogen peroxide by using reverse osmosis osmosis
11/07/1989US4879040 Adaptive filter concentrate flow control system and method
11/07/1989US4879030 Apparatus for transforming sea water, brackish water, polluted water or the like into a nutrious drink by means of osmosis
11/02/1989EP0339769A1 Multi-well filter strip and composite assemblies
11/02/1989EP0339124A1 Consolidation of a bundle of hollow fiber membranes by yarn wrapping
10/1989
10/31/1989US4877586 Medical diagnosis
10/31/1989US4877533 Pervaporation; membrane with active layer of polyunsaturated acid or salt
10/31/1989US4877521 Quick-change filter cartridge and head therefor
10/26/1989DE3912221A1 Verfahren zur herstellung einer sterilen, nicht-pyrogenen loesung A process for preparing a sterile, non-pyrogenic solution
10/26/1989DE3812183A1 Process for recovering a dissolved ionic substance
10/25/1989EP0338844A1 Liquid purifying device
10/25/1989EP0338162A1 Recovery and purification of lactate salts from whole fermentation broth by electrodialysis
10/25/1989EP0338043A1 Process and plant for clarifying liquids, in particular raw juice
10/25/1989EP0338004A1 Polymer with betaine structure, solution diffusion membrane, process for their manufacture and use.
10/24/1989US4876403 Process for the recovery of alcohols using a perfluorinated ionomer membrane
10/24/1989US4876002 Reverse osmosis water purificaiton unit
10/24/1989US4875980 Method for separating and concentrating an organic component from an aqueous solution containing same
10/19/1989WO1989009641A2 Multistep method for separating organic compounds from a solution
10/18/1989EP0336961A1 Purified water supply system
10/17/1989US4874700 Process for the production of L-malic acid
10/17/1989US4874523 Method for reducing the cloud point of materials using an ultrafiltration separation process
10/12/1989DE3901938C1 Method for carrying out an electro-dipping process
10/11/1989EP0336535A1 Gas separation by composite solvent-swollen membranes
10/10/1989US4872990 Spirally wound membrane layers alternately separated by retentate and permeate spacers; reverse osmosis
10/10/1989US4872982 Multilayer hollow fiber with coating having different permeability
10/10/1989US4872974 Apparatus for testing membrane filters, and for sterilizing liquids with use of membrane filter
10/05/1989WO1989009436A1 An electronic controller for a water purifying unit
10/05/1989WO1989009255A1 Process and installation for recovering oils and fats from natural products
10/04/1989EP0335667A2 Method of recovery of dewaxing aid using asymmetric polyimide ultrafiltration membrane
10/04/1989EP0335648A2 Method of operating membrane separation systems
10/04/1989EP0335647A2 Multiple membrane separation systems
10/04/1989CN1036030A Fluid decontamination system
10/03/1989US4871820 Alpha-fluoroacrylic acid polymer and its use
10/03/1989US4871432 Recovery process
10/03/1989US4871431 Apparatus for the removal of dissolved solids from liquids using bipolar membranes
09/1989
09/28/1989DE3808536A1 Wind power station for producing drinking water using the method of reverse osmosis
09/27/1989EP0334774A1 Integrated apparatus for biospecifically purifying a liquid containing cells
09/27/1989EP0334547A2 Adjusting charge ratio of liquid mixtures
09/27/1989EP0333807A1 Process and installation for decanting liquids, in particular raw juices
09/27/1989EP0333753A1 Arrangement in membrane filter.
09/26/1989US4869732 Microporous hollow fibers
09/26/1989US4869059 Yarn consolidation by wrapping for hollow fiber membranes
09/26/1989EP0277994A4 Blood cell washing systems and methods.
09/26/1989CA1261765A1 Method and apparatus for separation of matter from suspension
09/26/1989CA1261283A1 Fluid separation cells and spacers for use in these
09/26/1989CA1260847A1 Centrifugal ultrafilter unit for ultrafiltration of biochemical solutions
09/20/1989EP0332788A1 Process for treating polluted oil-in-water emulsions or microemulsions
09/20/1989EP0332768A2 Fluid decontamination process
09/20/1989EP0332738A1 Method for reducing the alcohol content in alcoholic beverages
09/19/1989EP0310632A4 Cross-flow filtration device and method of making.
09/19/1989CA1259582A1 Process for electrically separating individual electrolyte spaces of a pile of bipolar electrochemical cell
09/19/1989CA1259569A1 Method for dewaxing aid recovery by means of ultrafiltration using a selective membrane and the spiral wound element for such recovery
09/13/1989EP0331846A2 Separation of organic liquids
09/13/1989EP0331699A1 Process and installation for clarifying liquids, in particular raw juice
09/13/1989EP0215109B1 Silicone-alkylene oxide copolymers as foam control agents in ultrafiltration processes
09/12/1989US4865744 Process for the continuous workup of aqueous crude dye suspensions
09/12/1989US4865743 Method for production of solution-diffusion membranes and their application for pervaporation
09/12/1989US4865742 Method of treating polluted oil-in-water emulsions or microemulsions
09/12/1989US4865726 Device for making potable water
09/08/1989WO1989007970A1 Reversible mechanochemical engines comprised of bioelastomers capable of modulable inverse temperature transitions for the interconversion of chemical and mechanical work
09/06/1989EP0331401A2 Energy recovery pump device
09/06/1989EP0330772A1 Method of double decomposition of neutral salt
09/06/1989EP0232486B1 Process for reprocessing the solution which is left after the removal of the enzymes upon the enzymatic racematic splitting of an n-acetyl-dl-amino acid in the presence of an l-amino acid acylase
09/05/1989US4863617 Process and apparatus for separating solid-liquid compositions
09/05/1989US4863609 Process for the fractional separation of protein mixtures by means of membranes
09/05/1989US4863603 Filter unit for separating precipitates containing cholesterol
09/05/1989US4863596 Cell alignment frame assembly
09/05/1989CA1259030A1 Cross flow filtration
08/1989
08/29/1989US4861628 Thin film composite membrane prepared by suspension deposition
08/29/1989US4861496 Electro-dewatering method and apparatus
08/29/1989US4861486 Immobilized inorganic diffusion barriers and the use thereof in the separation of small molecular species from a solution
08/29/1989US4861485 Cartridge containing semipermeable membrane
08/29/1989US4861476 Intake and outlet pipes are positioned opposite flow guide plate; durability
08/29/1989US4861455 Electrode membrane
08/29/1989US4861447 Process for reducing corrosive impurities in sulfolane used for extracting aromatic hydrocarbons
08/24/1989WO1989007636A1 Process for treating coal pyrolysis effluent
08/23/1989EP0329355A2 Machine element for use in liquid treating system
08/23/1989EP0328596A1 Process for selective removal of volatile substances from liquids and installation and device for implementing the process
08/22/1989US4859324 Apparatus for filtering machine liquid of an electroerosion machine
08/22/1989US4859320 Leak-proof water processing unit
08/22/1989US4859319 Device for measuring the quantity of ultrafiltrate eliminated during a dialysis treatment
08/22/1989CA1258654A1 Method for the removal of monovalent ions from znso.sub.4 electrolyte by electrodialysis
08/22/1989CA1258642A1 Hollow fiber plasmapheresis module and process
08/22/1989CA1258604A1 Liquid membrane
08/17/1989DE3803905A1 Verfahren zur behandlung von bei der kohlepyrolyse anfallendem abwasser Process for the treatment of waste water accumulating in the coal pyrolysis
08/16/1989EP0327572A1 Recovery of acids from materials comprising acid and salt.
08/15/1989US4857473 Water sampling system
08/15/1989US4857184 Self-contained water treatment system and enclosure
08/15/1989US4857181 Control of cleaning of dialysate preparation apparatus
08/15/1989US4856559 Faucet providing and utilizing air gap
08/15/1989CA1258472A1 Process for the production of dichlorohydrin
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