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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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WO/2002/096560A1 |
An object of the present invention is to provide an anion exchanger having a high ion exchange capacity by introducing larger amounts of anion exchange groups than in conventional ion exchange resins without causing the problem of the am...
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WO/2002/083701A1 |
A means for inhibiting decomposition products, isomerization products, colored substances, etc. from generating in the desalting of a sugar solution and for thereby inhibiting the generation of impurities and preventing an ion-exchange r...
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WO/2002/083770A1 |
A composite porous ion-exchanger having ion-exchange groups uniformly distributed therein and formed in a continuous air bubble structure having macro pores communicating with each other and meso pores of a specific average diameter in t...
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WO/2002/077302A2 |
The process for recovering gold from carbon eluate which includes the steps of adsorbing gold-cyanide from solution using an anion exchange resin, eluting the gold using a suitable eluant to produce a high-concentration gold solution, an...
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WO2001046686A9 |
The invention relates to a chromatography material for separating nucleic acid mixtures by means of a carrier and ion exchanger functions applied thereto. The carrier comprises a fibrous material. The invention also relates to methods wh...
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WO2001000642A9 |
A method for purifying oligonucleotides by displacement chromatography on anion-exchange media, using high affinity, low molecular weight (less than about 10000 Da) displacers, is disclosed. Several examples of high affinity, low molecul...
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WO/2002/053288A2 |
Method for desalting an aqueous liquid containing a charged substance comprising the steps of:(i) contacting liquid (I) with an ion-exchanger (1) under conditions permitting binding between ion-exchanger and substance, said ion-exchanger...
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WO/2002/053251A1 |
The invention describes a method and devices for extracorporeal capturing of specific bio-macromolecular entities from extracellular body fluids. The method is a column-type process and comprise the extracorporeal circulation of the extr...
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WO/2002/053252A2 |
Method for the removal of a substance from an aqueous liquid by ion exchange comprising providing a liquid with said substance is present; providing an adsorption matrix which comprises at least two different ligands; contacting the liqu...
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WO/2002/049970A1 |
The invention relates to a method for producing monodispersive ion exchangers that contain polyiodide groups, to the resins as such and to the use thereof for the treatment or disinfection of drinking water.
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WO/2002/045856A1 |
The invention relates to a method for removing aromatic hydroxy compounds from fluids that contain an aromatic hydroxy compound and at least one ring alkylation product. The method is characterized by contacting the fluid with an anion e...
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WO/2002/034675A1 |
In one embodiment the present invention is a process for recovering an onium hydroxide from a cation exchange material having onium cations adsorbed thereto which comprises (A) contacting said cation exchange material with an aqueous sol...
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WO/2002/028529A2 |
Ion exchange resins composed of a polymeric matrix functionalized with a piperazine group are suitable for separating gold cyanide from aqueous medium containing gold cyanide complex and other metal cyanide complexes in a process wherein...
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WO/2002/020451A1 |
A method of recovering metal values from an ion exchange resin to which a metal species is bound comprising contacting the reaction product stream with a basic ion exchange resin such that at least a part of the metal becomes bound to th...
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WO/2002/018464A2 |
Separation of a variety of analytes that are polar, nonpolar and ionic using functionalized polymeric media is disclosed. Preformed rigid particles of highly crosslinked homopolymer of polyvinylidene compounds are functionalized using th...
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WO/2002/016928A1 |
A method, device, and kit for chemical species separation, such as of arsenic compounds, are provided. Using the kit in the field, a sample is provided, part of which is preserved for total chemical species analysis. The remainder of the...
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WO/2002/013948A2 |
A regenerable high capacity carbon dioxide (CO¿2?) sorbent is operated to remove substantially all of the CO2 present in either a dry, or a humid environment. The sorbent is an amine compound which is composed predominantly of secondary...
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WO/2002/014223A1 |
A method of separating an anionic fluorochemical surfactant from an aqueous solution containing the anionic fluorochemical surfactant, which comprises (i) bringing the aqueous solution into contact with a basic anion-exchange resin to ad...
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WO/2001/098224A1 |
A composite, contains substrate fibers, and carbon ion exchanger, on the substrate fibers. The fiber provides a support to the carbon ion exchanger, resulting in excellent mechanical properties, compared to carbon fiber ion exchangers.
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WO/2001/094014A1 |
A fixed bed is prepared by packing a reactor with an acid cation-exchange resin to form a fixed bed and contacting the resultant fixed bed with an aqueous solution containing, dissolved therein, an acid, a nitrogenous sulfur compound, an...
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WO/2001/092149A1 |
The invention relates to a novel chromatographic method for the purification of hydrogen peroxide solutions, which gives highly pure solutions which may be used in semiconductor technology, under the latest stringent purity conditions.
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WO/2001/087483A1 |
An anion-exchange resin made of a crosslinked copolymer which comprises repeating units of the general formula (2) as the main constituent with the content of the constituent of the formula (1) in the copolymer being less than 0.5 wt.% [...
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WO/2001/078881A1 |
This invention relates to an apparatus for removing solutes from a solution using a nano-filtration means to provide a treated solution.
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WO/2001/074420A1 |
Adsorbents for high mobility group proteins (HMG proteins) whereby HMG proteins in a body fluid can be eliminated. These adsorbents are composed of a water-insoluble support on which a substance having a functional group capable of formi...
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WO/2001/068240A2 |
The present invention relates in general to the preparation and use of matrices having solid spaces, interstitial spaces and interstitial polymer networks. In particular, the interstitial polymer networks have utility in chemical and bio...
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WO/2001/068891A1 |
A method of purifying shikimic acid characterized by treating a shikimic acid-containing solution with an alkali, adsorbing shikimic acid by an anion exchange resin and then eluting it. As the anion exchange resin, it is preferable to us...
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WO2000042225A9 |
Improved separations of xylose, mannose, galactose, arabinose, glucose, xylitol, arabitol, sorbitol, galactitol, or mannitol (and other monosaccharides and sugar alcohols) from other sugars and sugar alcohols may be achieved by chromatog...
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WO/2001/066607A1 |
A crosslinked anion-exchange resin which is obtained by reacting a polymer (A) having amino and/or imino groups in a total number of at least 2 per molecule with a compound (B) having two or more functional groups capable of reacting wit...
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WO/2001/066606A1 |
A crosslinked anion-exchange resin which is obtained by reacting a polymer (A) having amino and/or imino groups in a total number of at least 2 per molecule with a compound (B) having a vinyl group capable of undergoing Michael addition ...
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WO/2001/064579A1 |
A method for recovering hydrogen fluoride, characterized in that it comprises contacting a waste water containing hydrogen fluoride, and then heating the resultant resin, to thereby separate hydrogen fluoride.
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WO/2001/064342A1 |
The invention relates to an anion exchanger resin, to the use thereof as a polymeric anion exchanger in chromatographic methods, especially for cleaning and isolating nucleic acids, and to a chromatographic method, especially for cleanin...
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WO/2001/058576A1 |
Graft polymeric membranes and methods for making same are provided in which one or more trifluorovinyl aromatic monomers are radiation graft polymerized to a polymeric base film. The membranes comprise a polymeric base film to which has ...
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WO/2001/049389A1 |
The present invention provides a method for selectively removing metal ions of interest from a solution (12), such as the wastewater from a chemical mechanical polishing process. The method comprises contacting a solution (12) containing...
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WO/2001/049602A1 |
The invention concerns a method for purifying an aqueous hydrogen peroxide solution by passing the solution on a cationic resin. The method consists in passing the solution on the cationic resin in conditions wherein said hydrogen peroxi...
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WO/2001/046087A2 |
The invention relates to a fertilizer that is characterized by at least one biodegradable and/or soil-compatible parent substance that carries groups that are capable of exchanging or scavenging ions, and/or structures to which ions are ...
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WO2001004053A9 |
A composite-metal polybasic salt which has a chemical composition represented by the following general formula (1) M<3+>pMgq(OH)y(A)z. nH2O [wherein M<3+> represents a trivalent metal; A represents an anion; 3p+2q-y-mz=0 (m is the valenc...
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WO/2001/041927A1 |
A method of preventing the growth of heterotrophic bacteria and the subsequent establishment of a biofilm on the surface and in the micropores of an antimicrobial synthetic ion exchange resin. An antimicrobial synthetic ion exchange resi...
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WO/2001/041584A1 |
The present invention provides new processes useful for separating whey proteins from whey protein-containing solutions using a novel anion exchanger which comprises a water insoluble, hydrophilic, water swellable, hydroxy (C¿2?-C¿4?) ...
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WO/2001/041928A1 |
The present invention provides a new quaternary amino (QA) anion exchanger comprising QA derivatised, hydroxy (C2-C4) alkylated and cross-linked regenerated cellulose, in which the level of derivatisation with the QA-groups is 1.4 meg/g ...
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WO/2001/040117A1 |
A method for removing fluorine gas from a selected environment comprises contacting the fluorine gas with water to generate a solution of hydrofluoric acid and contacting the solution of hydrofluoric acid with an ion exchange resin havin...
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WO/2001/039879A1 |
An adsorbent for peptidoglycan which comprises an aminated water-insoluble porous material for which the exclusion limit molecular weight is 50,000 or higher; and a method of adsorptively removing peptidoglycan which comprises the step o...
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WO/2001/038227A2 |
A method for the removal of a substance carrying a negative charge and being present in an aqueous liquid (I). The method comprises the steps of: (i) contacting the liquid with a matrix carrying a plurality of ligands comprising a positi...
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WO/2001/037987A1 |
A method for purifying a desired substance comprising nucleic acid structure by separating substance (I) from substance (II), one of which is the desired substance, both of which have affinity for the same ligand structure, and substance...
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WO/2001/038228A1 |
A method for the removal of a substance, which has a negative charge and which and which is present in an aqueous liquid (I). The method comprises the steps of: (i) contacting the liquid with an anion-exchanger (1) that comprises mixed m...
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WO/2001/038516A1 |
A method for purifying plasmid on a bed composed of an anion exchange matrix bed comprising a plurality of anion exchange groups firmly attached to a hydrophilic base matrix. The method is characterized that A. essentially all of the ani...
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WO/2001/036338A1 |
The present disclosure discloses a process and apparatus to accomplish same for complete solubilization, sterilization, radioactivity filtration, and destruction of clothing, supplies, equipment, and other articles made of polyvinyl alco...
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WO/2001/032563A1 |
Fluorinated emulsifiers, in particular, perfluorooctanoic acid are bound to anionic exchange resins for the purification of aqueous effluent from the production of fluoropolymers. Said emulsifiers may be quantitatively eluted from the ex...
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WO/2001/030495A1 |
Ion exchange resin granules containing a crosslinked polymerized $g(a),$g(b)-unsaturated acid, like acrylic acid, or a vinyl monomer containing an amino group, like polyvinylamine, and methods of manufacturing the resin, are disclosed.
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