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"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 8097160 | Flat membrane element and manufacturing method thereof Even when a membrane sheet contains an inorganic material, the membrane sheet and a support plate are properly deposited by a laser emission. In a manufacturing method of a flat membrane element lapping a membrane sheet performing solid-liquid separation on a suppor... | 01/17/2012 |
| 8007670 | Laminated cassette device and methods for making same A filtration cassette is described. The filtration cassette can include one or more filtrate channel spacers and one or more feed channel spacers. Each of the feed channel spacers and each of the filtrate channel spacers define an open interior volume bounded by an ... | 08/30/2011 |
| 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 using undesirable reducing agents. In this regard, the disclosed embo... | 12/02/2008 |
| 7358414 | Para-xylene process using perm-selective separations Processes and apparatus are disclosed for recovery of purified products from a fluid mixture by means of integrated perm-selective separations with purified product recovery operations. More particularly, integrated processes of the invention comprise separations by... | 04/15/2008 |
| 7351377 | Methods and devices for enhancing bonded substrate yields and regulating temperature Methods and devices that include the use of venting elements for enhancing bonded substrate yields and regulating temperature. Venting elements are generally fabricated proximal to functionalized regions in substrate surfaces to prevent bond voids that form during b... | 04/01/2008 |
| 7347937 | Perfluorinated thermoplastic filter cartridge A filtration cartridge having a housing with an inlet and an outlet and a filtration membrane contained within the housing and located between the inlet and the outlet is described. The membrane is sealed in such a manner that all fluid must flow through the membran... | 03/25/2008 |
| 7303675 | Blister protection for spiral wound elements A method for preventing osmotic blistering in spirally-wound elements of semipermeable membrane sheet material (14) by applying an effective coating of a sealant (41, 43, 45) to the upstream surface of such membrane material in regions where such poten... | 12/04/2007 |
| 7291204 | Separation membrane module with hollow fiber and a method of making the same A separation membrane module having hollow fibers, wherein a plurality of hollow fibers are heated and melted to bond and thermally fuse the external surfaces of the hollow fibers with each other; and a method of manufacturing a separation membrane module having hol... | 11/06/2007 |
| 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 sealed to a portion of its periphery a thermoplastic element that extend... | 09/04/2007 |
| 7261813 | Monolithic structures comprising polymeric fibers for chemical separation by liquid chromatography Monolithic cartridges including a plurality of nominally aligned polymer fibers can be used as stationary phase materials for liquid chromatography separations. Bundles of fibers are packed together so as to form capillary channels between the fibers. Different poly... | 08/28/2007 |
| 7220345 | Hybrid microfluidic and nanofluidic system A fluid circuit includes a membrane having a first side, a second side opposite the first side, and a pore extending from the first side to the second side. The circuit also includes a first channel containing fluid extending along the first side of the membrane and... | 05/22/2007 |
| 7128876 | Microdevice and method for component separation in a fluid The present invention relates to a microdevice for separating the components of a fluid sample. A cover plate is arranged over the first surface of a substrate, and, in combination with a microchannel formed in the first surface, defines a separation conduit for sep... | 10/31/2006 |
| 7125490 | Porous filter A filter has a longitudinal axis with an inner diameter defined by a hollow longitudinally extending center. The filter has fingers extend radially outwardly arcuately from the longitudinal axis. The fingers have base ends near the longitudinal axis and outer edges ... | 10/24/2006 |
| 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 membranes, a dialyzate flow path formed by a space between the inner wa... | 08/22/2006 |
| 7094345 | Implementation of microfluidic components, including molecular fractionation devices, in a microfluidic system A system and method for integrating microfluidic components in a microfluidic system enables the microfluidic system to perform a selected microfluidic function. A capping module includes a microfluidic element for performing a microfluidic function. The capping mod... | 08/22/2006 |
| 7077961 | Apparatus for extracorporeal blood or plasma treatment comprising a wet semi-permeable membrane and methods for making the same The present invention relates to a device for the extracorporeal treatment of blood or plasma, comprising two compartments, one compartment intended for circulating blood or plasma, and one compartment intended for circulating spent liquid, separated by a wet semi-p... | 07/18/2006 |
| 7038016 | Methods for purification of an activated PEG solution and for the synthesis of a modified hemoglobin solution The present invention employs a dissolved activated polyethylene glycol (aPEG) or related molecule that has been passed through a filtration means for the substantial reduction of bioburden or endotoxin levels in the aPEG solution. The resulting filtered aPEG soluti... | 05/02/2006 |
| 7037424 | Connector apparatus and system including connector apparatus A connector apparatus is provided which is configured to replace a separation module in a system for dispensing a fluid. When it is desired to purge the system of a dispensed fluid, the connector apparatus, having the same configuration of an inlet and an outlet as ... | 05/02/2006 |
| 7022231 | Apparatus incorporating potted hollow fiber membranes Apparatus incorporating potted hollow fibre membranes has a solid mass of potting material having a first face, a plurality of hollow fibre membranes sealed in the potting material. Portions of the membranes adjacent open ends of the membranes protrude from the firs... | 04/04/2006 |
| 6939466 | Graded particle-size retention filter medium for fluid filtration unit with improved edge seal A fluid filtration unit having two or more filter medium layers and/or zones, at least one of the layers/zones having a different particle retention capability disposed on each side of a non-filtering separator element. The filter medium are presently preferably pos... | 09/06/2005 |
| 6929532 | Method and apparatus for filtering a chemical polishing slurry of a wafer fabrication process A polishing slurry supply circuit for a semiconductor wafer fabrication process includes a tangential flow filter. The tangential flow filter is positioned upstream of a wafer polishing apparatus. The tangential flow filter may take the form of a hollow fiber filter... | 08/16/2005 |
| 6913786 | Laminated edge filter structure and method of making The present invention relates to a filter element having a non-porous extrusion laminated strip formed on at least one edge and at least one side of a membrane. The strip is used to provide a means for ensuring a good bond between the filter element and the material... | 07/05/2005 |
| 6902672 | Open-channeled spiral-wound membrane module There is disclosed a spiral-wound membrane module design for various membrane filtration techniques having significantly reduced fluid flow resistance in the feed stream path. Specifically, the inventive spiral-wound membrane module is designed having a corrugated e... | 06/07/2005 |
| 6878271 | Implementation of microfluidic components in a microfluidic system A system and method for integrating microfluidic components in a microfluidic system enables the microfluidic system to perform a selected microfluidic function. A capping module includes a microfluidic element for performing a microfluidic function. The capping mod... | 04/12/2005 |
| 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 bodies which hold end parts of the membranes sealed in a fixed position w... | 01/25/2005 |
| 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 provides an interface inside the filter which enables the potting compoun... | 12/14/2004 |
| 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 protects the support or membrane from external contamination without cau... | 04/06/2004 |
| 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, and to a method for the production thereof. Permselective... | 09/23/2003 |
| 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 of hollow fiber membranes are collected together and their ... | 07/15/2003 |
| 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 membrane by an L-shaped plastic melt.... | 08/06/2002 |
| 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 first and second inlets, such that the inlet can be brought... | 10/09/2001 |
| 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 an opening in at least one terminal part thereof. The seale... | 05/01/2001 |
| 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 contain: at least one polyisocyanate, preferably a non-aromati... | 04/10/2001 |
| 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 inorganic pigments and fillers and is the reaction product of... | 02/27/2001 |
| 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 mating housing components and at least two fluid connectors,... | 11/07/2000 |
| 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 material is placed into the housing covering the spacer ma... | 09/05/2000 |
| 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 carrier tube. The filtration leaf includes a first membrane sh... | 05/30/2000 |
| 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 maintain a desired spacing between adjacent convolutions of the t... | 03/21/2000 |
| 6030530 | Non-cytotoxic polyurethane medical items Medical article of manufacture comprising compositions, comprising: at least one polyisocyanate, preferably a non-aromatic polyisocyanate, in the monomer or prepolymer state; at least one polypol; and at least one organic compound comprising one or more p... | 02/29/2000 |
| 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 multicomponent fibers comprise a first polymer and a second polyme... | 11/23/1999 |
