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| Number | Title | Issue Date |
| 8163182 | Compartmentalized field flow fractionation A field flow fractionator to separate particles contained within an injected sample aliquot is described. As required, said fractionator may be used to capture, for subsequent removal, specific predefined classes of such particles. Based upon the cross flow or asymm... | 04/24/2012 |
| 8158001 | Wafer-shaped hollow fiber module for in-line use in a piping system A wafer-shaped hollow fiber module adapted for in-line use in a piping system. The piping system may include two standard bolted flange connections, and at least one wafer-shaped hollow fiber module sealed between the two standard bolted flange connections. The wafe... | 04/17/2012 |
| 8142660 | Filtrate monitoring device, and filtrate monitoring system A filtrate monitoring device and a filtrate monitoring system, which can monitor a membrane-type water filtrating/purifying system at all times and which can flexibly adjust themselves to the contents and sizes of impurities, are provided. The filtrate monitoring de... | 03/27/2012 |
| 8119005 | Method and apparatus for partial desalination of a concentrated salt solution A desalination system and method are based on the biological mechanism occurring in the mammalian kidney which utilizes colloid osmotic pressure and hydrostatic pressure to recover diluted salt solution from a concentrated one. The desalination system includes fluid... | 02/21/2012 |
| 8066881 | Method of obtaining a natural hydroxytyrosol-rich concentrate from olive tree residues and subproducts using clean technologies A process of obtaining a natural, bioactive concentrate, rich on hydroxytyrosol, from olive tree residues and subproducts using clean technologies is presented. These technologies comprise supercritical fluid extraction, nanofiltration and reverse osmosis which are ... | 11/29/2011 |
| 8048307 | Dynamic filtration device using centrifugal force The present invention generally relates to a filtration system having one or more apparatuses for filtering gases, liquids, or fluids (e.g., water) to remove particulate matter, and methods of making and using the apparatus. More particularly, embodiments relate to ... | 11/01/2011 |
| 7967987 | Method and apparatus for the filtration of biological solutions A system, method and device are disclosed for bio-processing a feed stream and providing a constant output by operating a continuous single-pass tangential-flow process. The single-pass process provides high conversion concentration while operating at relatively low... | 06/28/2011 |
| 7682511 | Method and apparatus for the filtration of biological solutions A system, method and device are disclosed for bio-processing a feed stream and providing a constant output by operating a continuous single-pass tangential-flow process. The single-pass process provides high conversion concentration while operating at relatively low... | 03/23/2010 |
| 7632410 | Universal water purification system A method of producing safe drinking water from virtually any water source utilizing a water purification system is disclosed. The method includes a combination of water purification methods with a control system that evaluates water quality and functional processing... | 12/15/2009 |
| 7572377 | Extracorporeal blood filter system A blood filter system used for the sequential filtering of blood while actively removing air bubbles and debris comprising a filter housing with unique conical, or cylindrical shape, a flared inlet port, a unique up and down blood flow path, a multi-stage sequential... | 08/11/2009 |
| 7407585 | Water purification system and methods, and module for the system The invention relates to a method and a system for purifying water whereby: the water to be purified is pressurized (13); a pressurized flow of said water is directed onto at least one selective permeability... | 08/05/2008 |
| 7351873 | Continuous process to separate colour bodies and/or asphalthenic contaminants from a hydrocarbon mixture A continuous process to separate color bodies and/or asphalthenic contaminants from a hydrocarbon mixture by passing part of the hydrocarbon mixture through a membrane over which membrane a pressure difference is maintained thereby obtaining a hydrocarbon permeate h... | 04/01/2008 |
| 7347942 | Cyclic aeration system for submerged membrane modules An aeration system for a submerged membrane module has a set of aerators connected to an air blower, valves and a controller adapted to alternately provide a higher rate or air flow and a lower rate of air flow in repeated cycles. In an embodiment, the air blower, v... | 03/25/2008 |
| 7323553 | Non-affinity purification of proteins The present invention relates to a method for protein purification that involves the combination of non-affinity chromatography with HPTFF. ... | 01/29/2008 |
| 7316919 | Composite materials comprising supported porous gels This invention relates to a composite material that comprises a support member that has a plurality of pores extending through the support member and, located in the pores of the support member, and filling the pores of the support member, a macroporous cross-linked... | 01/08/2008 |
| 7316780 | Range separation devices and processes Separation device comprising a feed channel including a shear region, permeate passage(s) extending perpendicular to the direction of the feed flow and a porous medium positioned between the shear region of the feed channel and the permeate passage(s). Separation pr... | 01/08/2008 |
| 7314746 | Apparatus and method for preparative scale purification of nucleic acids Apparatus and methods are described for pharmaceutical grade manufacture extrachromosomal nucleic acids from cell lysates using flotation to separate and eliminate undesired insoluble cellular debris including chromosomal DNA from the lysates. A gas is introduced to... | 01/01/2008 |
| 7311831 | Filtration membrane and method of making same A filtration membrane and method of making the same wherein the filtration membrane comprises obstructions and/or spacers. ... | 12/25/2007 |
| 7306735 | Process for the removal of contaminants from water The present invention provides a method of removing contaminants from water which includes the steps of first providing a water feed exposed to at least one hydrocarbon or chemical process. This water feed is set in-line with a reverse osmosis system which includes ... | 12/11/2007 |
| 7285105 | Automatic dialyzer and dialyzing method An automatic dialyzer for purifying blood brought into contact with a dialysate via a semi-impermeable membrane. The dialyzer includes at least a blood circulating system and a dialysate supply/discharge system, wherein the blood line of the blood circulating system... | 10/23/2007 |
| 7264723 | Dialysis on microchips using thin porous polymer membranes Laser-induced phase-separation polymerization of a porous acrylate polymer is used for in-situ fabrication of dialysis membranes inside glass microchannels. A shaped 355 nm laser beam is used to produce a porous polymer membrane with a thickness of about 15 μm, whi... | 09/04/2007 |
| 7250108 | Method for measuring the local hydraulic permeability of a sub-group of hollow fibre of a bundle of hollow fibres A method is provided for measuring the local hydraulic permeability, Lpi, of a sub-group of hollow fibres of a bundle of hollow fibres mounted in a tubular casing. The method comprises a step of placing the casing containing the bundle in a vertical position, the la... | 07/31/2007 |
| 7244357 | Pumps for filtration systems Improvements in product water throughput from a reverse osmosis (RO) membrane filter achieved by thinner feed spacers in the RO element, enhanced recovery (ratio of permeate to feed), pressure recovery of the retentate fluid pressure opposing the feed water pressure... | 07/17/2007 |
| 7226429 | Method for removal of viruses from blood by lectin affinity hemodialysis The present invention relates to a method for using lectins that bind to pathogens having high mannose surface glycoproteins or fragments thereof which contain high mannose glycoproteins, to remove them from infected blood or plasma in an extracorporeal setting. Acc... | 06/05/2007 |
| 7217366 | Purification of ammonium metallate solutions A process for reducing the content of alkali metal impurities (e.g., potassium) in ammonium metallate solutions is described. The process involves subjecting a feed solution containing ammonium metallate and alkali metal impurities to membrane filtration. The membra... | 05/15/2007 |
| 7189325 | Method and device for desalting water The invention pertains to a method and a device for desalting water by reverse osmosis, particularly for desalting seawater, in which saltwater is introduced under a first pressure into a pressure-compensation device and conducted from pressure-compensation device a... | 03/13/2007 |
| 7186344 | Membrane based fluid treatment systems A process for removing soluble and insoluble inorganic, organic, and microbiological contaminants from a fluid stream employing a pretreatment module, a post-treatment module, a recycle stream module or any combination thereof, and a membrane module, is provided. Th... | 03/06/2007 |
| 7153651 | Flow-through optical assay devices providing laminar flow of fluid samples, and methods of construction thereof An optical assay device for the detection of an analyte of interest in a sample comprising a support containing channels, an optically functional layer positioned on the support such that the optically functional layer and the support allow for laminar flow of the s... | 12/26/2006 |
| 7135156 | Method for processing a zirconium oxide composition in crystalline form Methods of producing zirconium oxide compositions and using same are provided. The zirconium oxide compositions in crystalline form can be prepared by a synthetic process wherein the hydrolysis of zirconyl chloride and particle formation can be achieved simultaneous... | 11/14/2006 |
| 7101519 | Zirconium basic carbonate and methods of making the same Methods of making zirconium basic carbonate are further described which involve titrating an aqueous slurry of sodium zirconium carbonate to a pH of from about 3.5 to about 4.0 with an acidic agent wherein the sodium zirconium carbonate has a moisture content of fro... | 09/05/2006 |
| 7083733 | Water treatment system and method A water treatment system provides treated or softened water to a point of use by removing a portion of any hardness-causing species contained in water from a point of entry coming from a water source, such as municipal water, well water, brackish water and water con... | 08/01/2006 |
| 7077962 | Method and apparatus for parallel desalting Parallel desalting (PDS) includes a hybrid membrane softening (MS) system for de-mineralizing water for residential and commercial use. Parallel desalting produces “soft” water without the use of salt, or any other liquid chemical reagent normally used to carry ... | 07/18/2006 |
| 7070695 | Ultrafiltration and microfiltration module and system A method and apparatus of purifying feedwater to remove impurities including suspended solids therefrom, the method suitable for using in-line water pressure to permeate water through hollow fiber membranes and to backflush the membranes to remove solids collected o... | 07/04/2006 |
| 7067057 | Fluid conveyed material collection system The present invention is for processing fluids, especially waste streams from nuclear power plants, and other fluid media that may be carrying valuable or useful substances, in order to collect the substances. The system uses sequential filtering and multiple passes... | 06/27/2006 |
| 7059206 | Aquatic passive sampling device and methods for its use An aquatic passive sampling device is disclosed comprising a diffusion-limiting membrane and a receiving phase itself comprising an immobilised solid phase material supported by a solid support. The solid support and membrane features enable the device to be adapted... | 06/13/2006 |
| 7033498 | Cartridges useful in cleaning dialysis solutions Cartridges useful in regenerating or purifying dialysis solutions are described as well as methods to regenerate or purify spent dialysis solutions. Dialysis systems using the sorbent cartridges of the present invention are further described. ... | 04/25/2006 |
| 7022238 | Immersion type membrane filter An immersion type membrane filter apparatus 200 is intended for obtaining filtrate by filtrating a fluid to be processed stored within a storage bath 150 and primarily includes a filtration membrane module 300 and an air bubbles supply device | 04/04/2006 |
| 7018529 | System for producing ultrapure water The ultrapure water producing system produces ultrapure water with high purity and remarkably low content of metals even just after restart of operation thereof. Water sent through the pump 3 or 4 into a line 8 flows through a heat exchanger ... | 03/28/2006 |
| 7005075 | Gas drive electrolytic cell The present invention is directed to an electrolytic cell that is completely sealed during the electrolysis operation during production of oxidant. Gasses generated within the electrolysis operation, primarily hydrogen that is liberated at the cathode surface, incre... | 02/28/2006 |
| 6986802 | Selective separation of fluid compounds utilizing a membrane separation process Apparatus and processes are disclosed for economical separation of fluid mixtures utilizing perm-selective membranes. Broadly, apparatus of the invention comprises a plurality of membrane modules comprising a solid perm-selective membrane and equipment for controlli... | 01/17/2006 |
