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WO/2004/047991A1 |
An electrodeionization apparatus comprising multiple anion exchange membranes (13) and cation exchange membranes (14) that are alternately arranged between a cathode (12) and an anode (11) to alternately form concentrating compartments (...
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WO/2004/041432A1 |
An ion exchange composition formed by reacting unsaturated carbon to carbon moieties pendant from derivatized ion binding cryptands with a support substrate under free radical activation conditions to form a covalent bond therebetween. S...
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WO2003025156A9 |
Proteins can be purified and concentrated from crude cell lysates using high-throughput, automated process control systems that use software application programs to instruct one or more processors, controllers, and actuators to control a...
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WO/2004/033072A1 |
An apparatus and method for removing mercury, and in particular elemental mercury, from a fluid stream by exposing the fluid stream to a polyethersulfone or filter-coated with anion exchange resin, or anion exchange resin-coated surface ...
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WO/2004/028969A1 |
The invention provides a microporous material which comprises a positively charged framework and has potential application as an anion exchange material, typically in the treatment of waste materials in effluent streams, for example in t...
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WO/2004/022611A1 |
The invention relates to a method for producing monodisperse gel-type ion exchangers with a particle size of between 5 and 500 µm. Said exchangers are obtained as follows: a) production of a non-cross linked monodisperse seed polymer wi...
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WO/2004/020095A1 |
An ion adsorption module which comprises a vessel having at least an inlet for the water to be treated and being packed with an organic porous ion exchanger which has a three-dimensional network structure comprising an open cell structur...
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WO2002068452B1 |
A method of isolating a charged, especially proteinaceous, compound comprises providing a prepared sample of the compound in solution, placing the prepared sample in contact with a membrane so limited in effective adsorptive surface area...
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WO/2004/007372A1 |
The present invention features a method of making hydrous zirconium oxide having desirable properties, including resistance to moisture content, predetermined particle size, and developed porosity and surface area. The inventive material...
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WO/2004/005380A1 |
AbstractProcess for producing ion exchange membranes. A matrix material that comprises a polymeric component chosen from the group consisting of monomeric and oligomeric polymer precursors and cross-linkable polymers is provided. Ion cat...
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WO/2004/003542A1 |
The present invention is a surface-modified base matrix comprised of a porous polymeric base matrix onto which branched hydrophilic polyhydroxy-functional polymers have been covalently attached, wherein the polyhydroxy-functional polymer...
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WO/2004/000462A2 |
Radioisotope generators comprising inorganic layered hydroxide composition, such as magnesium aluminates and lithium aluminates. These inorganic layered hydroxides form anion exchange materials that exhibit surprisingly high selective af...
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WO/2003/102132A2 |
The present invention relates to a method for protein purification that involves the combination of non-affinity chromatography with HPTFF.
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WO/2003/099727A1 |
A mixed bed of iodine source/iodine capture resin provides high flow rates that are useful for treatment of water. The ratio of source/capture resin can be adjusted to meet the goals of the system. If insufficient iodine is being provide...
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WO/2003/089107A1 |
A process and system for removing fluid stream contaminants using a pretreatment module (2), a post-treatment module (4), and an ion-exchange module (3).
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WO/2003/089106A2 |
Multi-layered macromolecules wherein the layers are covalently bonded together and wherein the macromolecules are covalently bonded to solid particulate substrates, methods for the preparation of such compositions, and methods for their ...
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WO2003014201A9 |
The invention relates to a proton-exchanging polymer and a membrane produced from the same. Said invention is characterised in that an anion exchanger in the form of a hydroxyl is added to the polymer.
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WO/2003/085031A1 |
The invention relates to a novel polymer compound, the use of the same and a method for solid phase synthesis using an inventive polymer compound. Said polymer compound comprises linear polymer chains of general formula [R-X]n, wherein R...
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WO/2003/084986A2 |
The present invention relates to polypeptide targets for pathogenic bacteria. The invention also provides biochemical and biophysical characteristics of those polypeptides.
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WO/2003/080872A1 |
The present invention relates to a method of separating sugars and sugar alcohols from each other. More particularly the present invention relates to the use of a weakly basic anion exchange resin in a chromatographic separation process....
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WO/2003/080834A2 |
The present invention discloses methods for separating oligonucleotides from impurities. In the methods of the invention, a target oligonucleotide, in a mixture comprising the target oligonucleotide and an impurity, is separated from the...
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WO/2003/078034A1 |
A new method is described to produce large volumes of low cost sterile, Water-for-Injection (WFI) grade water on-line, on-demand from potable water in order to meet the needs of dialysis therapies and other biological applications for st...
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WO/2003/078330A1 |
A solution containing an anionic metal complex (e.g., a zinc/chloride ion complex) is brought into contact with a weakly basic anion-exchange resin. The weakly basic anion-exchange resin preferably is one based on a styrene resin. Thus, ...
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WO2002090372B1 |
The invention relates to products containing one or more charged biomaterial(s) immobilised to an ion exchanger in a reversible form wherein the ion exchanger is attached to the internal surface of a plastic pipette tip, and to a method ...
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WO/2003/076377A1 |
A process for separating sulfonic acid compounds from a phenolic solvent is provided by contacting the phenolic solvent with a hydrotalcite−type material (HTM). The process can be applied in the conventional industrial process for conv...
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WO/2003/074430A1 |
A process for removal and destruction of dissolved nitrate from water containing the same, which comprises a removal step in the form of a nitrate selective anion-exchange operation; a destruction step for nitrate destruction by electroc...
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WO/2003/072352A1 |
The present invention relates to compositions comprising surface modified carbon-clad metal oxide membranes and monoliths. In particular the invention relates to membranes and/or monoliths comprising carbon-clad metal oxide, functionaliz...
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WO/2003/071264A1 |
Methods for determining the molecular weight distribution in a sample of an anionic polysaccharide is provided. The methods generally include: providing a sample of an anionic polysaccharide with an average molecular eight in the range o...
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WO/2003/063999A1 |
The invention provides processes for treating commercial grade preservatives (S1') to remove the off-flavors and/or off-odors. A solution (S2') is prepared by dissolving the preservative in a solvent such as water or methanol. The soluti...
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WO/2003/062478A1 |
The invention relates to a method for the separation of zinc an a second metal which does not form an anionic complex in the presence of chloride ions, zinc and the second metal being present in an effluent in the form of ZnCl2 and a sec...
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WO/2003/062176A1 |
Sulphided ion exchange resins containing primary or secondary amino groups. They may be obtained by passing a non-aqueous liquid, e.g. a hydrocarbon, feedstock containing elemental sulphur or organic, or inorganic, di-or poly-sulphides t...
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WO/2003/061804A1 |
An improved process for improving the purity of an impure material, for example for producing low color nicotine is disclosed. The process involves passing a solution of less pure material, for example nicotine, in a non-aqueous solvent,...
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WO/2003/055604A1 |
An ion exchanger being used in an electric demineralization apparatus as at least one of ion exchangers disposed in a demineralization chamber and/or a concentration chamber, which has a plurality of different functional groups on at lea...
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WO/2003/054509A2 |
Methods and devices (10) for removing small negatively charged molecules from a biological sample mixture that uses an anion exchange material.
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WO/2003/051778A2 |
The invention relates to a method for treating circulating water in paint installations, according to which either a paint coagulum is produced by the addition of coagulating means, or deflocculated paint particles are produced by the ad...
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WO2002060864A9 |
The present invention concerns methods of obtaining stable lutein and its derivatives. Additionally, the invention concerns various compositions comprising lutein, lutein esters, tetrahydrocurcuminoids, and carnosic acid.
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WO/2003/041764A1 |
Methods and devices for providing dialysis treatment are provided. The device includes a resin bed including zirconium phosphate, zirconium oxide, and urease.
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WO/2003/031062A1 |
The invention concerns alkali-stable hydrophilic sorbents for ion-exchange chromatography. The invention is characterized in that it consists in using as base material a crosslinked vinyl polymer consisting of vinyl monomers containing d...
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WO/2003/025004A2 |
The present invention relates to polypeptide targets for pathogenic bacteria. The invention also provides biochemical and biophysical characteristics of those polypeptides.
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WO/2003/022392A1 |
Novel material for chromatographic separations, processes for its preparation, and separations devices containing the chromatographic material. In particular, the disclosure describes porous inorganic/organic hybrid particles having a ch...
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WO/2003/020393A1 |
A chemical distribution system (200) having improved organic solvent fluid purity and consistency includes a vessel (206) containing ion-exchange media positioned within a fluid flow pathway such that the organic solvent fluid passes thr...
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WO/2003/018194A1 |
The invention concerns a composite solid material fixing mineral pollutants, based on metal hexacyanoferrate, comprising a solid support coated with an anion-exchanging polymer film whereto is fixed an insoluble metal hexacyanoferrate fo...
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WO/2003/014205A1 |
An adsorbent which can adsorb, concentrate, separate, or remove a minor ingredient contained in a liquid or gas at a high water or gas permeation rate without causing impurity dissolution in the liquid or gas. It is a sinter of a mixture...
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WO/2003/011750A2 |
Chlorous acid is generated from a chlorite salt precursor, or a chlorate salt precursor. The ion exchange material facilitates the generation of chlorous acid by simultaneously removing unwanted cations from solution and andding hydrogen...
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WO/2003/011459A1 |
The invention relates to a novel method for producing pharmaceutical preparations or intermediate products thereof, whereby the pharmaceutical preparation is provided in the form of a dispersion, the particles contained in the dispersion...
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WO/2003/011453A1 |
The invention relates to adducts, which can be obtained by means of a method involving the step of reacting a renewable raw material (particularly raw materials and recyclings, which contain carbohydrates and which are from the areas of ...
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WO/2003/001895A2 |
The present invention provides solid ion-extractant and a method for using the same in extracting and recovering ions in a solution. In particular, the present invention provides a method for extracting and recovering ions which are rela...
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WO/2003/000020A2 |
A metal hydroxide complex has a formula Me(OH)4*A¿-*?nH2O or MeO2¿*?A¿-*?nH2O. Preferred complexes are formed in an alkaline medium, and particularly especially preferred anions include cyanide and cyanide gold complexes. Contemplated...
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WO/2002/100509A1 |
A method for removing Perchlorate or other anionic contaminates from ground water which comprises the step of passing the ground water over activated carbon, wherein the activated carbon has been either preloaded with an organic cation f...
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WO/2002/098798A1 |
An article of manufacture, a system, and a method for at least partially deionizing water, including but not limited to converting tap water into essentially deionized water that can be used for numerous purposes including, but not limit...
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