Patents
Patents for B01D 63 - Apparatus in general for separation processes using semi-permeable membranes (15,233)
11/1988
11/23/1988EP0291679A1 Method and production of an asymmetric membrane
11/23/1988CN88101333A Compression moulding technique of filter film with microgaps
11/22/1988US4786410 Ribbed treatment zone between membranes
11/22/1988US4786393 Microroughening, coating with inert grease; closed solid stack
11/22/1988CA1245166A1 Dialyzer having improved side ports and method of manufacture
11/17/1988EP0290691A1 Fluid separation module
11/15/1988US4784768 Capillary filter arrangement for sterilization of liquid media
11/09/1988EP0289740A1 Fluid flow spacing element
11/03/1988WO1988008324A1 Quick-change filter cartridge and head therefor
11/01/1988US4781889 Hollow fiber membrane type artificial lung
11/01/1988US4781837 Method of performing osmetic distillation
11/01/1988US4781834 Membrane separation apparatus
11/01/1988US4781833 Dialysis
11/01/1988US4781832 Hollow-fiber filter module
11/01/1988US4781831 Cross-flow filtration device with filtrate flow conduits and method of forming same
11/01/1988US4781830 Elongated housing, annular adaptor, and end cap for sealing; corrosion resistance
10/1988
10/27/1988DE3711695A1 Distribution cap for a device for the extracorporal treatment of blood or its components
10/26/1988EP0288030A1 Improved outerwrap for hollow fiber membrane separation device
10/25/1988US4780212 Controlled intensity, frequency, and time
10/25/1988US4780202 Filtering unit using a diaphragm between a pair of opposite grooved backing surfaces
10/20/1988DE3810779A1 Filter element for separating off cholesterol-containing precipitates from blood plasma
10/18/1988US4777953 Capillary filtration and collection method for long-term monitoring of blood constituents
10/13/1988DE3711735C1 Filtration apparatus for filtering liquids, in particular by reduced pressure
10/13/1988DE3711734C1 Filtration apparatus for the filtration of liquids, in particular by means of reduced pressure or overpressure
10/12/1988EP0285993A2 Filter element for separating cholesterol from blood plasma and disposable filter unit completed by a housing
10/12/1988EP0285812A1 Multiple layer hollow fibre assembly
10/11/1988US4776964 Closed hemapheresis system and method
10/06/1988WO1988007398A1 Cross-flow filtration device and method of making
10/04/1988US4775471 Hollow fiber filter device
09/1988
09/28/1988EP0283826A2 Capillary filter array for sterilization of liquid media
09/27/1988US4774000 Superimposed porous membranes with supports; high precision
09/20/1988US4772390 Filter membrane of hollow microporous olefin fibers removes traces of low molecular weight organics
09/20/1988CA1242175A1 Bundle wind system
09/14/1988EP0282355A2 Blended fiber dialyzers
09/14/1988EP0282045A1 Tapered, spirally wound filter cartridge and method of making the same
09/14/1988EP0130994B1 End closure for tubular housing
09/13/1988US4770778 Bonded together with vulcanized rubber
09/13/1988US4770776 Membrane bag, a winding module made from a membrane bag and a method of producing a membrane bag
09/13/1988US4770775 Immersion; high pressure and bell chambers
09/07/1988EP0281039A1 Liquid flow device
09/07/1988EP0280717A1 Cleaning of hollow fibre filters
09/07/1988EP0194271A4 Closed hemapheresis system.
09/06/1988US4769146 Spacers attached to fibers prior to insertion into the module
09/06/1988US4769145 Centrifugal ultrafilter unit for ultrafiltration of biochemical solutions
09/06/1988US4769140 Apparatus for the separation of mixtures by means of pervaporation
09/01/1988DE3805361A1 Integral filter for fluids made of a plurality of filter elements stacked one inside the other having different retention capacities and housing therefor
08/1988
08/31/1988EP0280052A1 Method of and apparatus for filtering a medium
08/31/1988EP0279847A1 Retractor for permeator or filter module
08/30/1988US4767539 Pressurized gas
08/30/1988US4767538 Washing of semipermeable membrane
08/30/1988US4767533 Hemodialyzers, different filtration factors
08/30/1988US4767426 Membrane filter tube and method of preparation
08/23/1988US4765906 Filter support having two plies connected together at parallel; flexible
08/23/1988US4765893 Coiled membrane filter cartridge
08/17/1988EP0277994A1 Blood cell washing systems and methods.
08/11/1988DE3153366C2 Apparatus for separating gas mixtures and liquid mixtures
08/10/1988EP0277660A2 Filtration method and apparatus
08/10/1988EP0277411A1 Device and method for separating individual fluids from a mixture of fluids
08/10/1988EP0277227A1 Pivot pin bearing/seal with loose eyelet especially suited for disposable continuous flow blood filtration system cartridges.
08/10/1988CN87100467A Filtration method by mediums and equipment thereof
08/03/1988CN87106594A Device and method for separating individual fluids from a mixture of fluids
08/02/1988US4761230 Small volume tangential flow filtration apparatus
08/02/1988US4761229 Permeable, stacked; separating dewaxing solvent from hydrocarbon stream
07/1988
07/28/1988WO1988005330A1 Composite membrane
07/27/1988CN88100640A Improvements relating to filters
07/21/1988DE3700694C1 Filter element for a tangential flow filter apparatus
07/20/1988EP0275216A1 Improvements relating to filters
07/19/1988US4758341 Membrane separation device
07/14/1988DE3733542A1 Mass transfer appliance
07/12/1988US4756876 Containment made of radiation absorbing material, pump, ultrafilter, heat exchanger, connector, heat insulating material in divided form
07/12/1988US4756875 Casing containing polyethylene hollow fibers having sponge-like mesh structure
07/12/1988US4756835 Permeable membranes having high flux-density and low fouling-propensity
07/12/1988CA1239096A1 Assembly device for a tubular filter element and its housing
07/05/1988US4755301 Centrifuging retentate reservoir having attached semipermeable membrane filter and cup to expel retentate into cup
07/05/1988US4755300 Locating facing surfaces of filter coaxially, mounting semiporous membrane on one surface, increasing gap size, adding fluid suspension, rotating one surface coaxially, controlling speed for constant shear stress
06/1988
06/28/1988US4753729 Rotor drive for medical disposables
06/21/1988US4752305 Device and method for separating individual fluids from a mixture of fluids
06/16/1988WO1988004184A1 Particle separation
06/08/1988EP0270051A2 Method of assembly of a unit of ceramic separating elements, and unit obtained by this method
06/07/1988US4749551 Semipermeable walls; carbon dioxide replacement
06/07/1988US4749483 Membrane separation arrangement and method of producing a plate module thereof
06/07/1988CA1237678A1 Filter element and its production
06/02/1988WO1988003830A1 Membrane module
06/02/1988WO1988003829A1 Arrangement in membrane filter
06/01/1988EP0269444A2 Apparatus and method for mass transfer involving biological/pharmaceutical media
06/01/1988EP0269213A2 Method and apparatus for forming a package of plural separable fibers, and the package of fibers thus formed
06/01/1988DE3639932A1 Membranmodul Membrane module
05/1988
05/31/1988US4747946 Outer cylinder and apcurality of water permeable nonwoven fabric pipes
05/24/1988US4746430 Fluid separation module
05/24/1988CA1237202A1 Modular ultrafiltration device for the cooling liquid of a nuclear reactor
05/17/1988US4744932 Extruding spinning solution into aqueous bath through annulus while aspirating liquid through tube
05/17/1988US4744900 Reverse osmosis membrane container
05/17/1988CA1236739A1 Blood oxygenator using a hollow fiber membrane
05/10/1988US4743372 Ultrafiltration membrane cartridge separation system
05/04/1988EP0266204A2 Pressure dependent anisotropic transport membrane system
05/04/1988EP0266087A2 Device and method for separating individual fluids from a mixture of fluids
05/04/1988EP0265823A1 Process for making a hollow fibre mass exchange module, and module thus produced
04/1988
04/27/1988EP0264696A2 Mass exchange apparatus
04/27/1988EP0264695A2 Device and method for purifying blood
04/27/1988EP0264594A2 Device for the support of a metallic microfilter foil