Match Document Document Title
6767466 Leukocyte filter construction  
A filter unit for removing leukocytes from a leukocyte-containing suspension by passing the suspension through a filter unit. The filter unit may comprise a main filter for blocking the leukocytes...
6742660 Antibacterial and biodegradable extracting container  
An antibacterial, biodegradable extracting container has a filtering surface formed from a water-permeable woven or knitted fabric formed from fibers comprising, as a principal component, an...
6732868 Production method and apparatus for filter, forming die for filter, forming assembly for forming filter, and filter  
A filter production method produces a filter having a shape substantially identical to the shape of a forming surface by extruding semi-molten fibers to the forming surface. When the semi-molten...
6726751 Accordion-pleated filter material and filter element incorporating same  
A filter material includes a filter pad made from a thin, nonwoven fiber mat which has been accordion-pleated, compressed into a unit having a large number of substantially parallel interconnected...
6709589 Dimensionally stable, cross-flow permeable fluid treatment element  
A dimensionally stable, flow-porous fluid treatment element suitable for hot fluid treatment, in particular a filter element, characterized by the following components: (a) inorganic solid...
6695148 Transmission filter felt  
A transmission fluid filter material and transmission filter produced therefrom comprising a gradient density composite felt which exhibits high particle removal efficiency at 40 micron diameter...
6669905 Systems and methods for collecting plasma that is free or virtually free of cellular blood species  
Systems and methods treat plasma by separating targeted blood cell species such as red blood cells and platelets from the plasma by filtration through hydrophilic polyvinylidene fluoride (PVDF)...
6659289 Hemocathartic column for purifying blood  
A hemocathartic column and apparatus, in which a column containing an adsorber capable of adsorbing and removing impurity components in blood, and in which the blood of an organism is...
6652748 Treated filter media and frame  
A filter medium and frame therefore wherein the filter medium is treated by a novel adhesive comprised of a major portion by weight of an oil group consisting of vegetable and animal oils and a...
6627291 Three dimensional patterned porous structures  
The present invention provides new patterned porous substrates and a new method for forming the new patterned porous substrates containing one or more selected patterns which is applicable to all...
6627088 Depth-type filter for killing microorganisms and inactivating viruses and its use  
Shaped articles which are suitable as biocidal depth-type filters and consist of fibrous materials and particles, embedded therein, of crosslinked crospovidone-iodine or crospovidone-hydrogen...
6615991 Filter aid  
A filter aid, in particular for filtering beverages by means of precoated filters, comprises a mixture of exclusively natural components, e.g. cellulose components. The filter aid is made only of...
6613512 Apparatus and method for correcting for variable velocity in microfluidic systems  
Electrokinetic devices having a computer for correcting for electrokinetic effects are provided. Methods of correcting for electrokinetic effects by establishing the velocity of reactants and...
6612447 Blood collection systems and filters using a porous membrane element  
A filter for removing leukocytes from blood comprises a filter media enclosed in a housing. The filter media includes a main filter region comprising a porous membrane structure extending between...
6602407 Oriented structure for treating a fluid  
An oriented structure for treating a fluid, comprising an inlet end for receiving a fluid to be treated and an outlet end opposite the inlet end and from which a treated fluid is discharged, the...
6578715 Product for treating contaminated fluids and method of making and using the same  
A product, capable of treating contaminated fluids, preferably gases, is disclosed. The product contains a carrier, an activated metal oxide, an odor counteractant, a carrier for the odor...
6569329 Personal water filter bottle system  
A bottle mountable filtration system typically includes a plurality of different filter elements or filtering and treatment elements having a substantially common central axis that are mounted to...
6569330 Filter coalescer cartridge  
A filter coalescer cartridge for treating jet fuels comprising spaced apart filter/coalescer layers to effectively remove particulate contaminants and water from the transient fuel being treated.
6514413 Method of drinking water disinfection  
A method for disinfecting and purifying tap water and untreated water using a composite, bactericidal adsorption material as a filter. The method provides efficient and reliable disinfection, with...
6492183 Extraction articles and methods  
This invention provides a one-piece multilayer article for use in solid phase extraction that includes at least two porous support layers and a solid phase extraction medium, wherein the porous...
6475386 Filter for purifying domestic drinking water  
An improved filter is provided for lowering levels of contaminants in domestic drinking water. The filter contains an oxidized activated carbon and at least one other type of adsorbent to remove...
6475340 Solid phase extraction membrane  
A wet-laid, porous solid phase extraction sheet material that contains both active particles and binder and that possesses excellent wet strength is described. The binder is present in a...
6454943 Longitudinal reinforced self-supporting capillary membranes and their use  
The invention relates to self-supporting capillary membranes which are longitudinally reinforced by continuous reinforcing fibres incorporated in the wall of the capillary membrane, which fibres...
6436288 Bast medium biological reactor treatment system for remediation and odor suppression of organic waste streams  
The invention relates to a holistic sustainable wastewater treatment system that utilizes a bast medium as the attached growth medium. The wastewater treatment system of the present invention...
6422395 Filter with preferential fluid affinity  
A filter is composed of filter media having the following characteristics in combination: a) the filter media has a greater affinity for the filtered fluid than for contaminants in the fluid, and...
6419839 Pool and spa filter media  
A carded nonwoven filter media comprising one or more layers of core-sheath fibers wherein the sheath portion of a fiber is bonded to one or more adjacent core fibers is disclosed. In a preferred...
6415930 Separator cartridge  
A separator cartridge comprises a support screen comprising a substantially rigid reinforced plastic cylinder including an inner first major surface and an outer second major surface, a first...
6390304 High performance filters comprising inorganic fibers having inorganic fiber whiskers grown thereon  
A filter media system, which is capable of operating in the microfiltration regime, offers: low cost, durability, high temperature and chemical resistance, no particulation, mechanical strength,...
RE37701 Integral composite membrane  
A composite membrane is provided which includes a base material and an ion exchange resin. The base material has a microstructure characterized by nodes interconnected by fibrils, or a...
6383818 Method of analyzing blood component  
The present invention provides a method of analyzing a blood component by filtering blood using a glass fiber filter to obtain a plasma or serum sample and measuring the sample, wherein some...
6379564 Multi-stage fluid filter, and methods of making and using same  
A fluid filter increases the useful life of the filtered fluid by removing contaminants therefrom, and may optionally provide for in-line delivery of additives to the filtered fluid. The filter...
6371307 Envelope style filter paper  
In accordance with this invention, an improved filter resembling an envelope is disclosed. The filter envelope for the filter frame element includes an enclosure, the enclosure being constructed...
6358417 Non-woven depth filter element  
A new non-woven depth filter element is formed in a continuous process whereby a mass of very fine diameter polymer filaments overlaid by mass of larger diameter polymer filaments are continuously...
6352642 Leukocyte-removing filter material  
A leukocyte-removing filter medium for removing leukocytes from a leukocyte-containing fluid, wherein said filter medium has, at least on its surface, hydrophilic basic groups containing at least...
6344239 Method for producing a tobacco filter material  
A method for producing a tobacco filter material which is either (A) a coating process for coating the surface of a fibrous or particulate cellulose with a cellulose ester having an average...
6337026 Leukocyte reduction filtration media  
A high capacity leukocyte depletion filtration media incorporates a high specific surface area components with a matrix of fibers, yielding a filtration medium that removes leukocytes by at least...
6326070 Absorption means  
Sawdust particles are freed from their terpene content and thereafter coated with a Teflon wax. The Teflon coated sawdust is hydrophobic and consequently does not absorb water, while the ability...
6321915 High performance filters based on inorganic fibers and inorganic fiber whiskers  
A filter media structure, which is capable of operating in the micro- and nanofiltration regime, offers: low cost, durability, high temperature and chemical resistance, high permeability, high...
6299771 Composite adsorbent element  
A composite adsorbent element comprising a packed mixture of granules and fibers, which are desirably granular activated carbon (GAC) and activated carbon fiber (ACF). The element is employed as a...
6293411 Integral supported separation membranes  
Supported separation membranes are disclosed wherein the permselective membrane is integral with a polymeric support of non-woven fibers having a particular air permeability, the integral...
6283307 Filter medium and filter cartridge  
A filter medium is formed by preparing a pH 3-5 aqueous suspension of cellulose fibers in a pulper or beater with a concentration of between 3% and 5%. A pH 2.8-3.8 aqueous suspension of glass...
6274054 Biological and algae control method and device  
The method of the present invention is to pump contaminated water, either by pushing or drawing, through a particulate filter and then through a contact chamber containing firstly copper wool and...
6274041 Integrated filter combining physical adsorption and electrokinetic adsorption  
An integrated filter for removing impurities from a fluid stream. The filter includes a first element adapted to remove at least some of the impurities by physical adsorption, and a second element...
6267898 Leukapheretic filter medium  
A leukocyte-removing filter medium which comprises a matrix and ultra-fine fibers having a fiber diameter of less than 1.0 μm and not less than 0.01 μm which contains ultra-fine fibers in an...
6267252 Fine particle filtration medium including an airlaid composite  
The present invention pertains to a filter medium including an airlaid composite, which is made of pulp fibers, at least about 2% by weight bicomponent fiber, and moisture. This airlaid composite...
6261335 Biosoluble glass fiber filtration media  
A biosoluble glass fiber filtration media includes a fibrous filtration layer of randomly oriented, entangled glass fibers which has an initial efficiency of 25% or greater as measured by ASHRAE...
6245244 Method and kit for separating plasma from whole blood  
A method and kit for separating plasma from small quantities of whole blood. A mixture of less than 100 μl of whole blood, a blood anticoagulant and a diluent, is formed in a container provided...
6241886 Plasma separation filter  
The present invention provides a plasma separation filter capable of easily, speedily and safely separating plasma from a small quantity of blood without damaging blood cell components in the...
6241899 Disposable filter bags for pool cleaners  
An improved, disposable filter bag is provided for automatic and manual pool water filtering assemblies. The filter bag is formed from a water-permeable, non-woven fabric such as Pellon®. The...
6230901 Microfine fiber product and process for producing the same  
A cylindrical filter which is easily produced and has a high withstand strength, a high filtration accuracy and a long filtration life; a microfine fiber web and a non-woven fabric suitable to a...