Patents
Patents for B01D 63 - Apparatus in general for separation processes using semi-permeable membranes (15,233)
10/1989
10/24/1989US4876013 Small volume rotary filter
10/24/1989US4876012 Hollow fibre filter cartridge and header
10/24/1989US4876007 Plate-type filter cartridge with internal support
10/24/1989US4876006 Hollow fiber filter device
10/19/1989WO1989009640A1 Spirally-wrapped reverse osmosis membrane cell
10/17/1989US4874514 Tubular element for reverse osmosis water pruification
10/17/1989US4874405 Coupling fluid separation membrane elements
10/12/1989EP0277227A4 Pivot pin bearing/seal with loose eyelet especially suited for disposable continuous flow blood filtration system cartridges.
10/10/1989US4872990 Spirally wound membrane layers alternately separated by retentate and permeate spacers; reverse osmosis
10/10/1989US4872988 Method and device for separation of colloidal suspensions
10/04/1989EP0335760A1 Tubular sealing plate manufacturing process for hollow fibre separation apparatus and devices
10/04/1989EP0335648A2 Method of operating membrane separation systems
10/04/1989EP0335647A2 Multiple membrane separation systems
10/03/1989US4871462 Enhanced separation of blood components
10/03/1989US4871456 Stacked filter cartridge with porous filter support
10/03/1989US4871379 Modular, shell-less, air permeator
10/03/1989US4871012 Variable conductance thermal insulation blanket
09/1989
09/27/1989EP0334794A2 Stator assembly for an axial flow rotary machine
09/27/1989EP0334774A1 Integrated apparatus for biospecifically purifying a liquid containing cells
09/27/1989EP0334202A2 Mass and/or heat-exchange apparatus
09/27/1989EP0333753A1 Arrangement in membrane filter.
09/26/1989US4869822 Filter apparatus employing hollow fibers
09/26/1989US4869821 Drainage disc for membrane assembly
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
09/26/1989CA1260852A1 Threaded end closure
09/26/1989CA1260847A1 Centrifugal ultrafilter unit for ultrafiltration of biochemical solutions
09/26/1989CA1259973A1 Closed hemapheresis system and method
09/26/1989CA1259870A1 Heat exchanger and blood oxygenating device furnished therewith
09/20/1989EP0333272A1 Backflush filterelement
09/20/1989EP0333119A2 Liquid filtering device
09/19/1989US4867878 Liquid bearing for rotary apparatus
09/19/1989US4867876 Filter plate, filter plate element, and filter comprising same
09/19/1989EP0310632A4 Cross-flow filtration device and method of making.
09/19/1989CA1259735A1 Adhesive system for production of spiral wound membrane elements for use in organic fluid mixture separations
09/19/1989CA1259569A1 Method for dewaxing aid recovery by means of ultrafiltration using a selective membrane and the spiral wound element for such recovery
09/12/1989US4865736 In an impermeable sheath fecilitating flow parallel to the axis of fiber array; eliminates bypass flow
09/12/1989US4865735 Biomedical
09/06/1989EP0331067A2 Mass and/or heat exchange apparatus
09/05/1989US4863617 Process and apparatus for separating solid-liquid compositions
09/05/1989US4863603 Filter unit for separating precipitates containing cholesterol
09/05/1989US4863600 Hollow fiber bundle having transverse binding means and method of making same
08/1989
08/30/1989EP0329980A2 Capillary dialyser
08/29/1989US4861487 Spiral wound membrane modules and systems with improved feed spacer
08/29/1989US4861485 Cartridge containing semipermeable membrane
08/29/1989US4861476 Intake and outlet pipes are positioned opposite flow guide plate; durability
08/23/1989EP0329474A2 Amine containing polyurethane compositions for separatory devices
08/23/1989EP0329473A2 Moisture and glycerine resistant polyurethane compositions for separatory devices
08/23/1989EP0328596A1 Process for selective removal of volatile substances from liquids and installation and device for implementing the process
08/22/1989US4859331 System for exchanging a substance between fluids
08/22/1989US4859324 Apparatus for filtering machine liquid of an electroerosion machine
08/22/1989CA1258642A1 Hollow fiber plasmapheresis module and process
08/15/1989US4857192 In phase corrugated plate membrane module support
08/15/1989US4857081 Separation of water from hydrocarbons and halogenated hydrocarbons
08/15/1989US4856963 Stator assembly for an axial flow rotary machine
08/15/1989CA1258436A1 Mat structure for use in filtration devices
08/15/1989CA1258435A1 Cartridge with stress relieving member
08/10/1989WO1989007002A1 Plasmapheresis filter flow control system
08/09/1989EP0327025A1 Porous membrane filter having fluid impermeable places and their use
08/08/1989USRE33013 Multi-channel body
08/08/1989US4854322 Capillary filtration and collection device for long-term monitoring of blood constituents
08/01/1989US4853128 Interleaving polymer webs pretreated with steam to avoid shrinkage
08/01/1989CA1258053A1 Blood fractionation system and method
07/1989
07/27/1989DE3801293A1 Disposable filter
07/26/1989EP0324922A2 An arrangement for the diffusion of substances between two fluids
07/26/1989EP0324919A2 An arrangement for the diffusion and/or filtration of substances between two fluids
07/25/1989US4851136 Using fiber bundles compressed by flexible waterproof membrane
07/18/1989US4849104 Method of assembling a ceramic support separator element module and resulting module
07/18/1989US4849102 Bidirectional ultrafiltration apparatus
07/18/1989US4849061 Method of making plastic filter units having a welded cellulose filter
07/11/1989US4846977 Method and device for separating polar from non-polar liquids using membranes
07/11/1989US4846973 Membrane tube filter device and disc supports and tension members
07/11/1989US4846970 Cross-flow filtration membrane test unit
07/05/1989EP0323341A2 Medical instrument
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
07/05/1989CN1033572A Modular, shell-less, air permeator
07/04/1989US4845132 Hydrophilic porous membrane, method for production thereof, and plasma separator using said membrane
07/04/1989US4844805 Reverse osmosis element
07/04/1989CA1256810A1 End plate and module for plasmapheresis
06/1989
06/29/1989WO1989005858A1 Cucumber mosaic virus coat protein gene
06/28/1989EP0321751A2 Electroerosion machine comprising a filtration device for the working liquide
06/28/1989EP0321637A2 Modular, shell-less, air permeator
06/27/1989US4843017 Device for the separation of the lighter fraction from the heavier fraction of a liquid sample
06/27/1989US4842910 Separation membranes with good adhesion
06/27/1989US4842736 Spiral wound membrane
06/27/1989CA1256273A1 Device and method for the production or release and separation of substances or particulate products of fluid, plastic or solid materials and use of the device
06/21/1989EP0321448A2 Process for preparation of hollow fibers
06/21/1989EP0321064A1 Bottle filter
06/20/1989US4840769 Flushing with steam
06/20/1989US4840227 Process for producing a hollow fiber mass transfer module and module produced by this process
06/15/1989WO1989005181A1 Membrane filtration apparatus and method of making a membrane filtration unit
06/15/1989DE3347999C2 Process for the production of bundles of corrugated hollow threads
06/14/1989EP0319893A1 Process for manufacturing a filter for micro and ultrafiltration
06/13/1989US4839037 Tapered, spirally wound filter cartridge and method of making same
06/13/1989US4838972 Process for the manufacture of bundles of semi-permeable hollow filaments for use in blood, plasma and dialysate filters
06/13/1989US4838970 Method of making an assembly comprising a foraminous core, self-locking, helically wound, hollow fiber bundle
05/1989
05/30/1989US4834881 Spiral wound type membrane module
05/30/1989US4834877 Apparatus for membrane-permeation separations using segmented flow