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)
08/1989
08/15/1989CA1258436A1 Mat structure for use in filtration devices
08/10/1989WO1989007002A1 Plasmapheresis filter flow control system
08/08/1989US4854322 Capillary filtration and collection device for long-term monitoring of blood constituents
08/01/1989US4853117 Purified water supply system
08/01/1989CA1258053A1 Blood fractionation system and method
07/1989
07/27/1989DE3801391A1 Method for the treatment of a liquid which contains proteins of various types and other substances such as salts, sugars, mineral components, fat, vitamins, enzymes and minor components
07/26/1989EP0324915A1 Process for separating valuable material from water-solutions
07/26/1989EP0324862A1 Nuclear fuel reprocessing plant
07/26/1989EP0324843A1 Process for separating metallic ions from aqueous solutions
07/26/1989EP0324804A1 Water purification system.
07/25/1989US4851818 Electronic controller for a water purifying unit
07/25/1989US4851136 Using fiber bundles compressed by flexible waterproof membrane
07/25/1989US4851125 Absorption and desorption through semipermeable membrane
07/25/1989US4851124 To selectively dissolve in an organic solvent immobilized porous hydrophilic membrane
07/25/1989US4850498 Mixing water with halogenated hydrocarbon or hydraulic fluid and conducting flow tangentially to surface of microporous hollow fiber membranes, and separating the decontaminated permeate fluid
07/19/1989EP0324025A1 Electrofilter apparatus and process for preventing filter fouling in crossflow filtration
07/18/1989US4849098 Continuous water quality monitor
07/18/1989US4849061 Method of making plastic filter units having a welded cellulose filter
07/18/1989CA1257518A1 Platelet collection system
07/13/1989WO1989006245A1 Porous article impregnation resin composition, and system for treating impregnation process waste water
07/13/1989WO1989006220A1 Water purification system
07/11/1989US4846977 Method and device for separating polar from non-polar liquids using membranes
07/11/1989US4846976 Filtration to separate oils from water
07/11/1989US4846970 Cross-flow filtration membrane test unit
07/11/1989US4846947 Process for preparing an alkanolammonium salt or ammonium salt of surface active agents
07/06/1989DE3828906C1 Process and apparatus for reverse osmosis
07/05/1989EP0322604A1 Membrane filtration apparatus and method of making a membrane filtration unit
07/05/1989CN1033588A Apparatus for filtering machining liquid of electroerosion machine
07/04/1989US4844811 Surfactant adsorption
07/04/1989US4844804 Fluid decontamination system
06/1989
06/29/1989WO1989005858A1 Cucumber mosaic virus coat protein gene
06/29/1989WO1989005586A1 Process for separating the dissolved and undissolved constituents of milk
06/28/1989EP0321751A2 Electroerosion machine comprising a filtration device for the working liquide
06/28/1989EP0321569A1 Process for separating liquid mixture
06/27/1989US4843017 Device for the separation of the lighter fraction from the heavier fraction of a liquid sample
06/27/1989US4842725 Assembly for making up untreated water according to the principle of reverse osmosis
06/27/1989US4842724 Water purification apparatus
06/21/1989EP0321064A1 Bottle filter
06/21/1989EP0304426A4 Osmotic distillation process and semipermeable barriers therefor.
06/20/1989US4840819 Controlled amount of liquid in support layer
06/20/1989CA1256055A1 Brine acidification in 3-compartment electrodialytic water splitter
06/15/1989WO1989005181A1 Membrane filtration apparatus and method of making a membrane filtration unit
06/15/1989DE3901070A1 Anlage zur beschickung von formgebungsmaschinen mit plastischen keramischen massestraengen System for feeding shaping machine with plastic ceramic massestraengen
06/13/1989US4839488 Electric discharge machine using a ceramic filter to filter the working fluid
06/13/1989US4839296 Treating hydrophobic polytetrafluoroethylene semipermeable membrane with surfactant to make membrane hydrophilic
06/13/1989US4839056 Liquid membrane extraction with selective reagent; neutralization; electrolysis
06/13/1989US4839055 Method for treating blood and apparatus therefor
06/13/1989US4838972 Process for the manufacture of bundles of semi-permeable hollow filaments for use in blood, plasma and dialysate filters
06/06/1989US4837386 Immersed in fluid to remove surface heat
06/06/1989US4837371 By means of semipermeable membrane and added water soluble ror ganic solvent
06/06/1989US4836927 Recovery of dewaxing aid using asymmetric polyimide ultrafiltration membrane and method for producing said membrane
06/06/1989US4836924 Reverse osmosis system and automatic cycling booster pump therefor
06/01/1989WO1989004712A1 Process for removing hazardous substances from water or air
05/1989
05/31/1989EP0317918A2 Pervaporation process for separating alcohols from ethers
05/31/1989EP0317676A1 Dispersion process for ceramic green body
05/30/1989US4834873 Combined reverse osmosis unit and water inflow control valve for a water purification system
05/30/1989US4834861 Membrane electrode for electrodeposition coating
05/30/1989US4833888 Thermoelectric heating and/or cooling system using liquid for heat exchange
05/24/1989EP0317210A1 Process for recovering nitric acid and hydrofluoric acid from waste pickle liquors
05/24/1989DE3738880A1 Verfahren zur entfernung von schadstoffen aus wasser oder luft A process for removing pollutants from water or air
05/23/1989US4832923 Liquid-liquid extraction columns
05/23/1989US4832851 Proteins
05/23/1989US4832850 Method and device for mass transport and separation through selective barriers
05/23/1989US4832841 Liquid treatment apparatus
05/23/1989US4832839 Hemopurification apparatus
05/18/1989WO1989004197A1 Transfer membrane apparatus
05/17/1989EP0315713A1 Process and installation for the treatment of waste water arising from the maintenance of livestock.
05/16/1989US4830583 Fluid motor-pumping apparatus and system
05/16/1989CA1254007A1 Preswelling of regenerated cellulose membranes for organic separations and the use thereof
05/11/1989DE3734600A1 Drinking-water treatment appliance for households
05/10/1989EP0315510A2 Ion-transport selective membranes
05/10/1989EP0315420A2 Process for producing an apparatus with hollow fiber membrane for cleaning blood
05/10/1989EP0315252A1 Separator for cell-containing liquids
05/10/1989CN1032841A Fuel delivery system
05/09/1989US4829005 Sedimentation filtration microorganism growth culture system
05/09/1989US4828993 Process for the preparation of organic acids
05/09/1989US4828706 Snapping on weighted clamp onto tubing
05/09/1989US4828705 Pressure-dependent anisotropic-transport membrane system
05/09/1989US4828543 Extracorporeal circulation apparatus
05/09/1989CA1253811A1 Device for extracting the liquid phase of a suspension
05/03/1989EP0314374A2 Reverse osmosis system and automatic cycling booster pump therefor
05/03/1989EP0313633A1 Method and apparatus for treating water, water treated thus obtained and its utilization.
05/03/1989EP0190212B1 Separation of water from organic fluids
04/1989
04/26/1989EP0313226A1 Membrane separation process
04/26/1989EP0185067B1 Fluid separation cells and spacers for use in these
04/25/1989US4824569 Hollow fiber for dialysis and method for manufacture thereof
04/25/1989US4824534 Process for electrically separating the electrolyte-bearing mains from the electrolyte spaces of an electrochemical cell pile
04/25/1989US4824443 Highly polar solvent
04/25/1989CA1253112A1 Method for desalting crude oil
04/20/1989WO1989003240A1 Process and plant for clarifying liquids, in particular raw juice
04/20/1989WO1989003238A1 Purified water supply system
04/19/1989EP0312377A2 Method of preparing thin film composite membranes by suspension deposition, and use of such membranes
04/19/1989EP0312376A2 Polyurea membrane and its use for aromatics/non-aromatics separations
04/19/1989EP0312104A2 Process for removing pyrogens
04/19/1989EP0311903A2 Molten salt hydrate membranes for the separation of gases
04/19/1989EP0311882A1 Selective permeable membrane for separation of liquid solution
04/19/1989EP0135593B1 Hollow fibers for use in dialysis and artificial kidney
04/18/1989US4822491 Complexing
04/12/1989EP0311162A2 Fuel delivery system
04/12/1989EP0310632A1 Cross-flow filtration device and method of making.