Matches 1 - 50 out of 64 1 2 >
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7578940 Membrane cartridge, membrane separating device, and membrane separating method  
A membrane separating method and a membrane separating device capable of preventing sludge from being accumulated on the surface of hollow fiber membranes in a membrane cartridge and having...
7459081 Contacting systems and methods and uses thereof  
The present invention provides systems and methods for facilitating contact between a liquid and a fluid. Such systems and methods may allow efficient removal of components from the liquid without...
7264724 Fluid path control element for fluid processing module  
A fluid path control element which when stacked alternatively with a fluid porous sheet can be formed into a filtration module. The fluid path control element comprises a porous membrane having...
7094348 Dialyzer and method for manufacturing the same  
A dialyzer in which a nearly cylindrical case is provided therein with a hollow fiber bundle made of a plurality of hollow fiber membranes, a blood flow path formed by lumens of the hollow fiber...
6846414 Membrane filtration element having sleeve element and socket members  
A membrane filtration unit comprises a housing having a feedstock inlet, a permeate outlet and a retentate outlet, at least one bundle of tubular membranes accommodated in the housing, sealing...
6830685 Filtering device with associated sealing design and method  
A filter device made of less expensive material than comparable filter devices heretofore has basic filter components plus some unique design aspects and an additional ring component. The ring...
6716350 Microplate protective tray undercover  
A laboratory device design particularly for a multiplate format that includes a tray having at least one well with a support associated with the well, and a removable undercover. The undercover...
6623637 Hollow-fiber membrane module  
This invention relates to a hollow fiber membrane module to be used in industrial fields such as the semiconductor industry, food processing industry, pharmaceutical industry, and medical industry,...
6592759 Gel potting method and method to reduce twinning for filtering hollow fiber membranes  
To pot membranes in a header, a dense, viscous liquid, suspension or, preferably, a thixotropic, water soluble gel, is placed in a header pan in space reserved for a permeate channel. A plurality...
6427846 Plastic filtration unit bonded by an L-shaped plastic melt  
An improvement in the fabrication and bonding of dead-end and cross-flow thermoplastic filtration modules is disclosed whereby two housing parts are bonded to each other and to a filtration...
6300142 Device and apparatus for conducting an assay  
A apparatus for assaying glycated proteins and other analytes in biological samples such as blood, in which a sample is presented to the apparatus, includes an inlet port between moveable between...
6224765 Filter element  
A filter element includes a bundle of hollow fiber type separation membranes made of a natural or synthetic macromolecular material and a sealed part made of a thermoplastic resin. The bundle has...
6214290 Non-cytotoxic polyurethane medical items  
The invention relates to articles of manufacture of polyurethane-generating compositions for the manufacture of non-cytotoxic products for medical use, characterized in that these compositions...
6193887 Filter and method of preparing a bonded filter that includes a white-opalescent adhesive  
Described is a filter and a method for preparing the filter that includes a porous filter media that is bonded to an end cap using a two-part, isocyanate-based adhesive. The adhesive is free of...
6143174 Filtration unit with pleated filtering elements  
There is disclosed a filtration unit for separating a substance from a fluid, the unit made up of at least one pleated filter element in a cylindrical housing, the housing in turn made up of two...
6113782 Potting of tubular bundles in housing  
Tubular bundles are potted in a housing, such as in an oxygenator or a pheresis unit. Spacer material is placed into the housing to cover the first ends of the tubular elements. A layer of potting...
6068771 Method for sealing spiral wound filtration modules  
A method for preparing a spiral wound filtration module is provided. The module has a central permeate carrier tube. The method includes winding at least one filtration leaf about the permeate...
6039870 Radial wound fiber disk  
A radially wound tubular fiber disk comprises a single strand of tubular fiber having a feed inlet at one end and a feed outlet at the other. Radially arranged adhesive strips forming seams...
5989432 Dynamic supported membrane assembly and method of making and using it  
The present invention provides a supported membrane assembly comprising a membrane adhered to a support material by way of a nonwoven web of multicomponent fibers therebetween, wherein the...
5976371 White-opalescent adhesives for the preparation of bonded filters  
The present invention discloses two-part isocyanate-based adhesive compositions, free of inorganic pigments and fillers, which cure to form polyurethane-based adhesives having an opaque-white...
5814179 Process for producing a blood dialyzer  
A blood dialyzer is produced by a process in which a plurality of artificial composite fibers having core portions consisting of a water-insoluble core liquid and surrounded by sheath portions...
5695702 Thermoplastic hollow fiber membrane module and method of manufacture  
A hollow fiber membrane module and its method of manufacture are disclosed wherein the module is fabricated utilizing superior hollow fiber materials, namely high molecular weight (i.e. molecular...
5618418 Dead-end membrane adsorbers  
A dead-end filtration unit without a housing comprising at least one filter cassette, each cassette comprising a plurality of laminar sections of porous adsorptive membrane, which have been...
5366625 Cartridge of hybrid unitary wafers of hollow fiber membranes and module containing a stack of post-potted cartridges  
A module is disclosed for use as a membrane device, comprising, a shell with fluid couplings removably affixed to each of its ends and at least one non-disassemblable cartridge operably held within...
5284584 Hollow fiber membrane fabric - containing cartridges and modules having solvent-resistant thermoplastic tube sheets, and methods for making the same  
This invention provides spiral-wound hollow fiber membrane fabric-containing cartridges and modules for separations and other phase contact applications, including tube sheets having improved...
5256288 Filtration medium including substrate-supported porous membrane and method for the manufacture thereof  
A filtration medium especially useful in cross-flow type filtration systems comprising a length of porous strong substrate, preferably woven, and a thin porous membrane, such membrane being bonded...
5250118 Method of removing foulants and restoring production of spinal-wound reverse osmosis cartridges  
A method of removing foulants from spiral-wound reverse osmosis cartridges, comprising the steps of: a) freeing the envelopes and webbing from their original confinement; b) soaking the...
5234590 High strength and light tubesheets for hollow fiber membrane permeators  
A high strength and low weight hollow fiber membrane tubesheet can be achieved by incorporating with the potting material a loading of a nominally spherical filler. The microsphere filler is...
5232593 Cartridge of hollow fiber membrane wafers and module containing stacked cartridges  
A module is disclosed for use as a membrane device, comprising, a shell with fluid couplings removably affixed to each of its ends and at least one non-disassemblable cartridge operably held within...
5225079 Modular hollow-fiber filter unit  
A modular hollow-fiber filter unit (10; 100; 200) for use in a water purifier includes a jacket member (24; 104; 204) surrounding a bundle (20) of hollow fibers (22; 106; 206) within a housing (12;...
5145580 Apparatus comprising a tube bundle mounted in a shell and undergoing differential thermal expansion therewith  
The invention relates to an apparatus which comprises a plurality of tubes made of a first material, which tubes are mounted inside a cylindrical body or shell made of a second material, which...
5143614 Membrane device for filtration, separation, or catalytic reaction  
A membrane device comprising a macroporous block of sintered material with the pores at each end of the block being filled with a porous sintered material, wherein the porous sintered material...
5066397 Hollow fiber membranes with fusion-bonded end portions  
A filter element comprising porous hollow fiber filter membranes arranged in a lengthwise direction and fusion-bonded together at one or both of their respective end portions to form a unified...
5059374 Method for sealing a hollow fiber membrane module in a case  
Disclosed is a process for sealing a hollow fiber membrane separation module into a case. The hollow fiber mambrane separation module is formed from a plurality of hollow fibers arranged in a...
4997564 Hollow fiber ultrafiltration replacement cartridge  
A hollow fiber ultrafiltration filter cartridge is modified to include a central perforated exit tube which receives filtered fluid passing through the fiber walls to optionally exit from the tube...
4969997 Fluid-impermeable areas on porous membrane filters and their application  
The invention relates to porous membrane filters, specifically mirco- and ultraporous membrane filters, which have fluid-impermeable areas as a result of a change of their structure on one side of...
4929354 Filter element having microporous membrane  
A filter element comprising a hydrophilic organic polymeric microporous filter membrane having a preformed substantially non-porous sealing area and a filter housing having, preferably, a...
4906371 Filter element having microporous membrane  
A filter element containing a hydrophilic nylon microporous filter membrane having a preformed substantially non-porous sealing area of non-porous tape heat sealed to the membrane and a filter...
4904327 Method of making a support for tubesheets in hollow fiber permeators  
Foraminous plates formed from coiled or parallel tape lengths may be inserted between the tubesheet and a ported casing-end in a hollow-fiber type permeator, to convey effluent from the fiber...
4883023 Polymeric membrane air separator for a turbocharger and brake system in a vehicle  
In a vehicle having a turbocharger (12) for supplying pressurized air to a combustion chamber in an engine (10) and a storage reservoir (34) for supplying pressurized air as a power source for a...
4879032 Fluid separatory devices having improved potting and adhesive compositions  
Fluid separatory devices containing novel polyurethane potting and adhesive compositions comprising the reaction product of an aliphatic polyisocyanate with a propoxylated polyether amine in the...
4865735 Amine containing polyurethane compositions for separatory devices  
Polyurethane compositions having improved adhesion comprising amine containing isocyante cured polyols of liquid esters of carboxylic acids having at least 8 carbon atoms for use as potting...
4842736 Spiral wound membrane  
A spiral wound membrane cartridge for use in separating a first component from a feed fluid mixture of the first component and the second component. The cartridge includes a permeate collection...
4686039 Fluid separation module  
Fluid separation modules are disclosed having tube sheets positioned in the end portions of the cylindrical shell forming the exterior of the separation module wherein the end portions of the...
4640774 Assembly of mounted tubular filter members inside an envelope  
An assembly of a tubular filter member (2) inside an envelope (5) surrounding the member includes a gasket (9) of elastomer or polymer material disposed at at least one of the ends of the filter...
4598136 Embedding material and process for the production thereof  
Aliphatic embedding masses are disclosed, prepared by initially reacting one or more aliphatic diisocyanates with castor oil or a mixture of castor oil and further hydroxyl compounds, such as e.g.,...
4582726 Adhesive system for use in preparing membrane elements for extraction solvent recovery processes  
In fabricating membrane elements, and especially spiral wound membrane elements, for the separation of extraction solvents, especially N-methyl-2-pyrrolidone (NMP) from extracted oil fractions...
T105601 Tubesheet in a separatory device cured using radio waves  
The described invention is directed to a process for curing a tubesheet intended for use in a separatory device. In its broadest sense, the invention is the process for curing a thermoset resin...
4455230 Pleated membrane transfer device utilizing potting and thixotropic adhesive  
Potting the spaced-apart fold edges of a pleated membrane and spacer stack to the interior of a housing without blocking the fluid passages between the spaced-apart pleats by applying a layer of...
RE31389 Non-wicking polyurethane casting systems  
A non-wicking polyurethane casting system has been developed which comprises the reaction product obtained by admixing a polyol containing N-N-N'-N'-tetrakis (2-hydroxypropyl) ethylene diamine,...
Matches 1 - 50 out of 64 1 2 >