Class / Patent application number | Description | Number of patent applications / Date published |
210502100 | Sorptive component containing | 37 |
20080223781 | Filter Module and Process for Manufacture of Same - The present invention provides a filter module comprising a body of wound layers of a sheet material, said sheet material having a plurality of openings formed therein, said channels within the wound layers of sheet material of said body, said channels extending in a direction from the inner peripheral surface to the outer peripheral surface, a first type of channels being open at one end at said outer peripheral surface of the body and closed at the other end located adjacent to said inner peripheral surface, a second type of channels being open at one end at said inner peripheral surface of the body and closed at the other end located adjacent to said outer peripheral surface, said channels of the one type being separated from the channels of the other type by portions of sheet material wherein a majority of the openings of a layer of sheet material forming the inlet channels incompletely register with corresponding openings of an adjacent layer and a process for manufacture such filter module. | 09-18-2008 |
20090184048 | Process and apparatus for producing entrapping immobilization pellets - A large amount of entrapping immobilization pellets with highly stable quality are produced inexpensively by high-speed treatment. There is provided a process for producing entrapping immobilization pellets in which microorganisms are entrapped and immobilized in an immobilizing agent, the process comprising polymerizing a mixture containing the microorganisms and a solution of the immobilizing agent in a forming frame into a gel to prepare a pellet block. | 07-23-2009 |
20090277828 | Adsorbents for Radioisotopes, Preparation Method Thereof, and Radioisotope Generators Using the Same - Disclosed is a novel adsorbent for use in a | 11-12-2009 |
20100012578 | METHOD OF REMOVING IMPURITIES FROM GAS OR LIQUID STREAMS USING COPPER OXIDE AND HALIDE SALT - Mixing small amounts of an inorganic halide, such as NaCl, to basic copper carbonate followed by calcination at a temperature sufficient to decompose the carbonate results in a significant improvement in resistance to reduction of the resulting copper oxide. The introduction of the halide can be also achieved during the precipitation of the carbonate precursor. These reduction resistant copper oxides can be in the form of composites with alumina and are especially useful for purification of gas or liquid streams containing hydrogen or other reducing agents. These reduction resistant copper oxides can function at near ambient temperatures. | 01-21-2010 |
20100025323 | Water purification system and method - The invention concerns a water purification system ( | 02-04-2010 |
20100065492 | Compositions And Methods For Separating Enantiomers - A liquid chromatography system comprising a chiral mobile phase used to separate enantiomeric molecules present in a sample is disclosed herein. In one aspect, the mobile phase comprises a chiral solvent. In another aspect, the mobile phase includes a chiral solvent but also a buffering agent. The liquid chromatography system described herein includes both high pressure liquid chromatography (HPLC) as well as high pressure capillary liquid chromatography (CapLC). | 03-18-2010 |
20100282669 | FILTER AND AIR CLEANER - There is provided a filter for filtering gas or liquid, wherein a constituent material of the filter contains a protein that absorbs iron, radium, or heavy metal (except iron), the constituent material is an iron-containing fiber body | 11-11-2010 |
20100282670 | METAL RECOVERY DEVICE - There is provided a metal recovery device | 11-11-2010 |
20100307968 | ACTIVATED CARBON WATER FILTER WITH REDUCED LEACHABLE ARSENIC AND METHOD FOR MAKING THE SAME - An activated carbon filter with reduced leachable arsenic comprising activated carbon, a binder material for binding activated carbon into a filtration mesh and an arsenic adsorbent in a concentration of less than about 5% for reducing leachable arsenic inherent in the activated carbon. | 12-09-2010 |
20110049045 | NANOSTRUCTURED SORBENT MATERIALS FOR CAPTURING ENVIRONMENTAL MERCURY VAPOR - The present invention is a method and material for using a sorbent material to capture and stabilize mercury. The method for using sorbent material to capture and stabilize mercury contains the following steps. First, the sorbent material is provided. The sorbent material, in one embodiment, is nano-particles. In a preferred embodiment, the nano-particles are unstabilized nano-Se. Next, the sorbent material is exposed to mercury in an environment. As a result, the sorbent material captures and stabilizes mercury from the environment. In the preferred embodiment, the environment is an indoor space in which a fluorescent has broken. | 03-03-2011 |
20110259818 | FILTER MEDIA FOR LIQUID PURIFICATION TO REMOVE TRACE METALS - Filter media for liquid purification, which can remove metal compounds or metal ions containing in polishing or washing liquids such as alkali, acid solution or ultra-pure water used for silicon wafers of semiconductors. Removal of metals from various kind of liquid such as inorganic chemicals, organic solvent, or industrial waste water are also the subject of the present invention. | 10-27-2011 |
20120111792 | APPARATUS FOR AUTOMATICALLY ADSORBING AND RECYCLING FLOATING OIL ON WATER - The invention relates to oily water treatment equipment, specifically relates to an apparatus for automatically adsorbing and recycling floating oil on water, which includes: base, stand, drive unit, transmission unit, compression unit, the conveyor belt and the oil-absorbing resin set on the surface of the conveyor belt; wherein, the drive unit drives the conveyor belt to rotate via said transmission unit; said compression unit includes at least one pair of squeeze rollers, and said conveyor belt, squeezed by said pair of squeeze rollers, goes across said pair of squeeze rollers; the fore-end of said conveyor belt is under the horizontal level of said base; said compression unit is set in the downstream side of the highest position of the conveyor belt; a tension roller is set between the fore-end and back-end of the conveyor belt, and said tension roller is set above the horizontal level of back-end of the conveyor belt. | 05-10-2012 |
20120211415 | LIGHTWEIGHT DRAINABLE CELLULAR CONCRETE - A lightweight previous cellular concrete is provided. The concrete has an internal structure comprising interconnected channels, resulting in a permeability K value of less than about 1×10 | 08-23-2012 |
20120228215 | Water Purifying Filter Including An Organic Material Adsorbent And Water Purifying System Including The Same - A water purifying filter may include an organic material adsorbent. The organic material adsorbent may include graphite with an interplanar spacing at the c-axis of about 0.3354 nm to 0.34 nm as measured by X-ray diffraction analysis (CuKα). A water purifying system may include the water purifying filter. | 09-13-2012 |
20120248033 | POROUS MATERIALS FOR SOLID PHASE EXTRACTION AND CHROMATOGRAPHY AND PROCESSES FOR PREPARATION AND USE THEREOF - Embodiments of the present invention are directed to porous materials for use in solid phase extractions and chromatography. The materials feature at least one hydrophobic component, at least one hydrophilic component and at least one ion-exchange functional group. The materials exhibit superior wetting and ion-exchange performance. | 10-04-2012 |
20120292250 | COMPOSITE FILTER AIDS HAVING NOVEL PORE SIZE CHARACTERISTICS - Filter-aid materials are disclosed herein, as well as processes, systems, and methods using such filter-aid materials for filtering and removing particles and/or constituents from a fluid. Further disclosed herein are filter-aid materials and processes, systems, and methods using such filter-aid materials for filtering and removing particles and/or constituents from a fluid, wherein the filter-aid material comprises at least one composite filter-aid having novel pore size distribution and comprising at least one adsorbent component formed in-situ on at least one filtration component. | 11-22-2012 |
20120305474 | COMPOSITE MATERIAL - The invention relates to composite materials, and more particular to composite adsorptive materials for purification of liquids, in particular, a drinking water, on the basis of components of a granulated material and a fibrous material. The new composite material for filtering purifying a liquid on the basis of a mixture of components of granulated and fibrous materials comprises volume zones with adjustable density, which zones create the structure of the material, which structure is self-strengthened when a liquid flows in the course of filtration, wherein, said volume zones make the material most part, each zone is created in the form of a interlaced fiber site, which sites are bonded among themselves by separate fibers, and the space within and between said interlaced fiber sites is filled with a granulated material. | 12-06-2012 |
20130008852 | UREA SORBENT - A sorbent polymer is provided that interacts or reacts with aqueous urea to aid the regeneration of a dialysate liquid. The sorbent polymer may include one or more specific functional groups bonded thereto. Such specific functional groups are selected from carboxylic acids, carboxylic acid esters, carboxylates, amides, dicarboxylic acids, dicarboxylic acid esters, and dicer boxylates to produce the desired urea sorbent. | 01-10-2013 |
20130008853 | WEB COMPRISING FINE FIBER AND REACTIVE, ADSORPTIVE OR ABSORPTIVE PARTICULATE - The assemblies of the invention can comprise a fine fiber layer having dispersed within the fine fiber layer an active particulate material. Fluid that flows through the assemblies of the invention can have any material dispersed or dissolved in the fluid react with, be absorbed by, or adsorbed onto, the active particulate within the nanofiber layer. The structures of the invention can act simply as reactive, absorptive, or adsorptive layers with no filtration properties, or the structures of the invention can be assembled into filters that can filter particulate from a mobile fluid while simultaneously reacting, absorbing, or adsorbing materials from the mobile fluid. | 01-10-2013 |
20130062280 | Adsorbent Filter Media For Removal Of Biological Contaminants In Process Liquids - Adsorbent filter media particularly suited for removal of biological contaminants in process liquids. A porous fixed bed of adsorbent material is formed, using only a granular adsorbent and a water-insoluble thermoplastic binder. The resulting composite filter allows for a higher amount of adsorbent with smaller adsorbent particles than conventional depth filters. Elimination of cellulose fiber, as well as the elimination of the thermoset binder, results in reduced contamination of the process liquid. | 03-14-2013 |
20130098834 | MEDIUM, DEVICES AND METHODS - A separation medium is provided, comprising at least one megalin polypeptide and/or at least one cubilin polypeptide immobilized on a support. Also provided are devices comprising the separation medium, as well as methods and uses employing the separation medium for extracorporeal removal of low molecular weight proteins, or fragments or derivatives thereof, from complex biological fluids. | 04-25-2013 |
20130105385 | CARBON BLOCK FILTER FORMED FROM DIVIDED PARTICLES OF BINDER AND ACTIVATED CARBON AND METHOD THEREFOR | 05-02-2013 |
20130180913 | WATER FILTRATION SYSTEM USING HYBRID NANO CARBON, SILVER, IRON AND ALUMINIUM OXIDE - The present invention relates to a filter for filtering water comprising carbon nanospheres from the pyrolytic combustion of a carbonaceous material such as plant material which are activated with silver nitrate, activated alumina and/or ferrous oxide. | 07-18-2013 |
20130240439 | REDUCED GRAPHENE OXIDE-BASED-COMPOSITES FOR THE PURIFICATION OF WATER - A nanocomposite is disclosed comprising reduced graphene oxide (RGO) and at least one of a metal and an oxide of the metal. Also disclosed is an adsorbent comprising the nanocomposite and an adsorbent comprising the nanocomposite bound to silica by using chitosan. A filtering device comprising the nanocomposite and/or the adsorbent is also disclosed. Also disclosed are methods for producing the nanocomposites, adsorbents, and filtering devices described herein. | 09-19-2013 |
20130313188 | Urea Sorbent - A sorbent polymer is provided that interacts or reacts with aqueous urea to aid the regeneration of a dialysate liquid. The sorbent polymer may include one or more specific functional groups bonded thereto. Such specific functional groups are selected from carboxylic acids, carboxylic acid esters, carboxylates, amides, dicarboxylic acids, dicarboxylic acid esters, and dicer boxylates to produce the desired urea sorbent. | 11-28-2013 |
20140138305 | ARTICLES INCLUDING MULTI-COMPONENT FIBERS AND PARTICLES AND METHODS OF MAKING AND USING THE SAME - An article including multi-component fibers and particles is disclosed. The multi-component fibers include at least a first polymeric composition and a second polymeric composition, are adhered together, and are non-fusing at a temperature of at least 110° C. At least a portion of the external surfaces of the multi-component fibers includes the first polymeric composition. Particles are adhered or directly attached to the first polymeric composition on the external surfaces of at least some of the multi-component fibers along their lengths. The particles include at least one of activated carbon, superabsorbent polymer particles, and abrasive particles. In some embodiments, the particles are distributed throughout the thickness of a web of the multi-component fibers. A method of making the articles is also disclosed. | 05-22-2014 |
20140151289 | ADSORPTION WEB, ESPECIALLY FOR THE ADSORPTION OF PETROCHEMICAL SUBSTANCES FROM LIQUID PHASES AND/OR FOR THE ADSORPTION OF ODORANTS FROM GAS PHASES, WITH AT LEAST ONE SPUNBONDED WEB, AND METHOD FOR PRODUCING AN ADSORPTION WEB - An adsorption web for adsorption of petrochemical substances from liquid phases or for adsorption of odorous substances has at least one face coated with a polymer. At least one adsorption substance present is in the polymer as a filler and has micropores or mesopores or macropores. | 06-05-2014 |
20140209534 | FILTERS FOR OIL-WATER SEPARATION HAVING ZWITTERIONIC POLYMERS COATED OR GRAFTED THEREON - A filter for the separation of oil and water from oil-water mixtures comprising a porous filter media, wherein the porous filter media has a zwitterionic polymer grafted or coated thereon. The zwitterionic polymers can be formed from zwitterionic monomers, the zwitterionic polymers having positive and negative charges in series on the same side chain; zwitterionic polymers formed from a mixture of cationic and anionic monomers, the zwitterionic polymers having positive and negative charges on two different side chains; and zwitterionic polymers formed from monomers with cationic-anionic pairs, the zwitterionic polymers having positive and negative charges in parallel on the same side chain | 07-31-2014 |
20140284270 | RNA pores and methods and compositions for making and using same - Synthetic RNA molecules having a pore, compositions including RNA molecules having a pore, where the compositions are capable of filtering metal ions, filtering molecular ions, performing size exclusion chromatography, performing ion specific chromatography, reversible metal ion and molecular ion binding, ion selective membranes, ion selective channels, ion selective/specific sensors, electrical conduits, battery components, etc., and devices and methods for making and using same. The RNAs used may be modified to improve stability. For example, by for example, a methyl group may be attached to the 2′ OH of the ribose. | 09-25-2014 |
20150021263 | Method and apparatus for extracting target molecules from a liquid by binding them to an activated polymer surface - An apparatus and method for producing the apparatus that is used to bind one or more different types of target molecules to a polymer surface that has been treated, and thereby activated, according to the method. A three or four step process to activate the surface is described. After activation, a fifth step immerses the activated surface into a liquid which binds a quantity of the target molecules to the polymer surface by chemical binding and/or by molecularly imprinted polymers and/or by modified carbon nanotubes. The method is used to convert an inert polymer surface into the activated surface. Either ion exchange binding (3 step process) or binding by the use of molecularly imprinted polymers and/or carbon nanotubes (four step process) or both are simultaneously used to provide the apparatus that is capable of binding and thereby extracting a quantity of the target molecules from the liquid. | 01-22-2015 |
20150041390 | CARBON BLOCK FILTER FOR REMOVAL OF HEAVY METALS AND METHOD FOR MANUFACTURING THE SAME - A carbon block filter for removal of heavy metals and a method for manufacturing the same are disclosed. The carbon block filter includes 50 wt % to 60 wt % of activated carbon and 30 wt % to 40 wt % of an ultra-high molecular weight polyethylene binder. The filter further includes a heavy metal-removing agent to mold the carbon block filter. The heavy metal-removing agent is a sorted heavy metal-removing agent obtained by pulverizing Bayoxide E33G having a particle diameter of 0.5 mm to 2 mm or 1.0 μm to 1.4 μm and made in Germany and sorting only Bayoxide E33G having a particle size of 10 μm to 50 μm. | 02-12-2015 |
20150068974 | IN-SITU AEROGELS AND METHODS OF MAKING SAME - Provided in one embodiment is a method of making an aerogel, comprising: (A) subjecting a suspension or a solution comprising a concentration of at least one chemical reactant to at least one of a hydrothermal and a solvothermal process for at least a reaction time to form an in-situ hydrogel, wherein the hydrogel comprises particulates having an asymmetric geometry, and (B) removing a liquid from the hydrogel to form an aerogel. | 03-12-2015 |
20150108064 | Production Of Channel Type Cyclodextrin Crystals - The present invention relates to channel type cyclodextrin crystals, particularly channel type β-cyclodextrin crystals, to a method for producing channel type cyclodextrin crystals, and products comprising channel type cyclodextrin crystals. | 04-23-2015 |
20150136693 | CYTOKINE ADSORPTION SHEET, METHOD FOR MANUFACTURING THE SAME, AND BLOOD FILTER COMPRISING THE SAME - A cytokine adsorption sheet comprises a nanofiber web formed by electrospinning a spinning solution prepared by mixing an adsorbent material capable of adsorbing cytokine and an electrospinnable polymer material. Thus, the dissolution of the adsorbent material by blood can be prevented. | 05-21-2015 |
20160121249 | BLOCK PRODUCTS INCORPORATING SMALL PARTICLE THERMOPLASTIC BINDERS AND METHODS OF MAKING SAME - A block product comprising a thermoplastic binder having an average particle size of less than 20 micrometers fused with active particles to form a generally coherent porous structure. In some cases, the average particle size of the binder is less than 12 micrometers. In some cases, the active particles are activated carbon particles. In some cases, the block product may include one or more of poly(vinylidene difluoride) binders, nylon-11, and nylon-12 or other odd-numbered polyamides having such small particle size. | 05-05-2016 |
20160122488 | SURFACE MODIFICATION METHOD AND SURFACE MODIFICATION BODY - Provided are methods for surface-modifying a rubber vulcanizate or a thermoplastic resin, which can provide chemically fixed surfaces showing low adsorption properties or selective adsorption properties with respect to proteins and cells, as well as excellent durability, instead of coatings which have drawbacks, such as that the performance is reduced due to separation or peeling of the coating. The present invention relates to a method for surface-modifying an object made of a rubber vulcanizate or a thermoplastic resin, the method including: a step 1 of forming polymerization initiation points on the surface of the object; and a step 2 of radically polymerizing a hydrophilic monomer starting from the polymerization initiation points by irradiation with UV light having a wavelength of 300 to 400 nm to grow polymer chains on the surface of the object. | 05-05-2016 |
20160250574 | FILTER MATERIAL AND FILTER MATERIAL COMBINATION FOR ISOLATING LIQUIDS, AND FILTER ELEMENTS MANUFACTURED THEREFROM | 09-01-2016 |