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WO/2005/018802A2 |
The present invention relates to compositions and chromatography materials, such as materials for the separation of biomolecules. The composition can comprise granules comprising carbonaceous particles, and at least one carbonized substa...
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WO/2005/014160A1 |
Generally, systems for air and water purification using unpowered charged sorbent mediums (3) which may include layered double hydroxide (LDH) (1) compositions, lignin (2), and methods of sorbing inorganic or organic material(s) onto suc...
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WO/2005/012194A1 |
Generally, systems for air and water purification using unpowered charged sorbent mediums (3) which may include layered double hydroxide (LDH) (1) compositions, lignin (2), and methods of sorbing inorganic or organic material(s) onto suc...
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WO/2005/009578A2 |
A method for the recovery of acids and other materials from hydrometallurgic process solutions comprising processing said solutions utilizing a simulated moving bed chromatographic method to produce at least two product streams.
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WO/2004/110623A1 |
The invention relates to a method for producing an ion exchanger carrying carboxyl groups and containing iron oxide/iron oxyhydroxide, said method being characterised in that a) a bead-type ion exchanger containing carboxyl groups in an ...
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WO/2004/110619A1 |
The present invention relates to a process for preparing a porous hybrid comprising zeolite and chitosan and a porous hybrid prepared thereby, in particular, to a process for preparing a porous chitosan-linking compound-zeolite hybrid, w...
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WO/2004/110624A1 |
The invention relates to devices, preferably filtration units, which can be flown through by a liquid to be treated and which, while being filled with iron-doped ion exchangers, are used for removing heavy metals from aqueous media. The ...
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WO/2004/103545A2 |
A processs for recycling waste regenerant (1) from a softening procedure in which a waste having monovalent cations and halide anions is provided. The waste regenaerant is passed through a column (2) of an ion exchange resin saturated wi...
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WO/2004/101435A1 |
The present invention provides a functional transition metal silicate (FTMS) effective as a decontaminant, a disinfectant, a detoxificant, a protectant, a microbicide or combination thereof, comprising a ratio of transition metal to sili...
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WO/2004/098775A1 |
A process is provided for the direct recovery of non-ferrous metals (nickel, cobalt, copper etc) from raw materials such as ores, concentrates, semiproducts and/or solutions by ion exchange. A non-ferrous ore or concentrate is leached wi...
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WO/2004/094040A1 |
A chemical filter, characterized in that it uses, as an adsorption layer, an organic porous ion exchanger which has an open pore structure wherein a meso pore having an average diameter of 5 to 1,000 μm is formed in the wall between a m...
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WO/2004/094346A2 |
This invention concerns a process for removing carbonyl-containing impurities from impure extractive distillation solvent such as a glycol, comprising: contacting the impure extractive distillation solvent with an acidic ion exchange res...
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WO/2004/092076A1 |
The present invention is directed to a microporous filter medium treated with a microbiological interception enhancing agent comprising a cationic chemical having a medium to high charge density and a molecular weight greater than about ...
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WO/2004/082799A1 |
The present invention is directed to a composite filter medium having a pH altering material that can raise the pH of an influent such that microbiological contaminants in the influent remain substantially negatively charged such that a ...
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WO/2004/081073A2 |
Methods of selectively removing counterions from compounds are disclosed. Compounds derived from the methods, such as the compound S-[2-[(1Iminoethyl)amino]ethyl] -2-methyl-L-cysteine zwitterion with between zero and up to 2 molar equi...
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WO/2004/078797A1 |
Methods of producing macromolecular compositions and using same are provided. The method includes preparing a resin material; forming an acetyl group on the resin material; and oxidizing the acetyl group via a one-step reaction including...
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WO/2004/074379A1 |
The invention relates to a mixture based on organopolysiloxane polyethers and at least one additional substance or component, preferably a polymer which can be obtained from an aqueous suspension, more particularly a cross-linked, functi...
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WO/2004/073843A1 |
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 membe...
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WO/2004/074544A1 |
An electroless nickel plating solution circulating system comprising (A) an electroless plating step in which plating is carried out by using a plating solution which contains nickel hypophosphite which is the main supplying chemical of ...
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WO/2004/070378A1 |
A separation column for an ion chromatograph, which is packed with an organic porous ion exchanger having a three-dimensionally network structure which has an open cell cellular structure comprising macropores connected with each other a...
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WO/2004/067449A1 |
The RTB BOR-Majdanpek mine has been exploited for more than one hundred years so today we have a mine with extremely low concentration of copper (below 0,6 % per tonne). What we also have is 1500 km?2¿ of degraded area. Our wish is to f...
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WO/2004/065008A1 |
Methods for removal of positively charged microbicidal compound, in particular an aziridino compound, from composition such as a blood product by contacting the composition with a cation exchange resin allowing the positively charged com...
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WO/2004/058423A1 |
A method for removing a heavy metal in an incineration ash, characterized in that it comprises contacting an incineration ash from an industrial waste with water to form an aqueous solution containing a heavy metal, and contacting the aq...
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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/2004/035660A1 |
The invention relates to a process for the production of sulfoalkyl-containing polymers useful as ion-exchange resins, more particularly a process for the production of sulfoalkyl-containing polymers, characterized by subjecting a polyme...
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WO/2004/036598A2 |
A solid ion-exchange material useful for removing heavy metals or radionuclides from an aqueous or gaseous solution comprising a modified clinoptilolite, and methods of using same are provided.
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WO/2004/035663A2 |
This invention presents an ion exchange media including a plurality of cation exchange zones (C) and anion exchange zones (A) in flow paths that are contained in a substantially nonporous resin transport framework. During electrodeioniza...
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WO/2004/024325A1 |
One object of the present invention is to produce a weakly acidic cation exchanger under mild conditions. Another object of the present invention is to produce a more firm weakly acidic cation exchange film. Still another object of the p...
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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/2004/022196A1 |
A method of separating a selected ionic component from a sample, comprises contacting the sample with an ionic adsorbent whose charge density is such that the component is bound selectively in the absence of added ionic component that co...
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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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WO/2004/018544A1 |
Methods are provided for directly producing a stable aqueous dispersion of an electrically conducting polyaniline, comprising synthesizing an electrically conducting polyaniline in the presence of a polymeric acid in aqueous solution, th...
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WO/2004/011142A1 |
A device for purifying a sample is provided, and includes ion-exchange particles in contact with a substrate. The device can include size-exclusion material and an ion-exchange material.
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WO/2004/011592A2 |
Devices are provided which include supports upon which one or more ion-exchange materials can be disposed for purifying a sample. In various embodiments, the supports include a plurality of deformable members, for example, petal-shaped p...
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WO/2004/011141A1 |
A size-exclusion ion-exchange particle and a device using the particle are provided wherein the particle includes an ion-exchange core micro-encapsulated by a shell, and the shell includes a polymerization product of a reactive monomer. ...
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WO/2004/007360A1 |
The invention relates to zirconium phosphate of H form which is characterized by a 31 P NMR spectra comprising peaks at -4.7 ppm, -12.8 ppm and -17.0 ppm (all peaks being in a range of ± 0.5 ppm). Also featured is a Na form of the mater...
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WO/2004/008134A1 |
A method for a cation-exchange resin wherein a strongly acidic cation-exchage resin is contacted with an aqueous eluting solution and the polystyrenesulfonic acid being eluted from this resin is measured, which comprises setting a plural...
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WO/2004/004903A1 |
The invention relates to a process for preparing gel-type cation exchangers of high stability by sulfonation of crosslinked (meth) acrylic ester-containing bead polymers with sulfuric acid having a concentration of 90 to 95% in the absen...
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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/2003/107358A1 |
Inorganic ion exchange materials for the separation of 90Y from 90Sr include clinoptilolite, potassium titanosilicate pharmacosiderite, sodium titanosilicate and sodium nonatitanate. These materials are suitable for making a 90Y generato...
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WO/2003/104293A1 |
The invention relates to a method of obtaining perfluorocarbon polymers containing fluorosulphonyl functional groups and having structural formula (I). The inventive method consists in performing a copolymerisation between tetrafluoroeth...
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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/2003/102000A1 |
The present invention relates to a novel class of shaped bodies containing metal-organic frameworks. Said metal-organic frameworks comprise at least one metal ion and at least one at least bidentate organic compound and contain at least ...
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WO/2003/101894A2 |
A method for removing metal ions from aqueous streams is disclosed using an extraction system of this invention, which includes at least one and preferably a plurality of extraction units comprising a bed filled with a volumetric mixture...
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WO/2003/099718A1 |
A action exchanging layered material having a action exchange capacity satisfied by ion-exchangeable organic and inorganic action, the ion-exchangeable organic action content of the betastructured cation exchanging layered material being...
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WO/2003/091315A1 |
The present invention is a process of manufacture of one or more polysaccharide beads, comprising generating an aerosol of an aqueous polysaccharide solution, cooling the droplets of said aerosol in air to initiate gelling thereof and co...
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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/2003/085031A1 |
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/2003/085198A2 |
The invention relates to a rapid-action agent for preparing cold and hot beverages from drinking water, in particular coffee or tea. Taking into consideration the disadvantages of known prior art, the aim of the invention is to provide a...
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