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WO/2003/000192A2 |
A composition is disclosed comprising a carbohydrate-based material a dispersed in carbon dioxide. A general method for synthesizing inexpensive, renewable, non-toxic, non-fluorous, carbohydrate based CO¿2?-philes is disclosed. These CO...
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WO/2003/000710A1 |
The invention relates to alkyl- and/or alkenyloligoglycoside preparations that have a magnesium salt concentration of less than 10 ppm based on the entire composition. The inventive preparations are obtained by adjusting alkyl- and/or al...
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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/2002/094344A2 |
A method for removing an insulin binding protein (IBP) from a biological fluid which comprises contacting the biological fluid with an affinity agent capable of forming a complex with said IBP and separating complexed IBP from said biolo...
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WO/2002/085481A2 |
Compositions and methods for selectively binding specific metal ions, such as Ca?+¿ and C?d¿, contained in a source solution are disclosed and described. This is accomplished by the use of a composition comprised of an EGTA ligand cova...
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WO/2002/085544A1 |
The present invention provides methods for removing species of ions from biological solutions, thereby allowing controlled study of the biological effect of one or more ion on a biological system or environment. In general, a solution fr...
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WO/2002/085486A1 |
Compositions and methods for selectively binding specific metal ions, such as Ca?2+¿ and Cd?2+¿, contained in a source solution are disclosed and described. This is accomplished by the use of a composition comprised o an EGTA ligand co...
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WO/2002/077301A1 |
The invention relates to a metal ion extractant material for use in the extraction of metal ions from a solution or slurry, the extractant material being based on an ethyleneimine-containing polymer. The ethyleneimine-containing polymer ...
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WO/2002/070456A1 |
A complexing ligand for forming a complex with a cation, the ligand comprising an aromatic component including two or more attachment sites for the cation, an optionally substituted amine, such as an aminoalkylene group, and a hydrocarbo...
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WO/2002/065982A2 |
This invention describes a hair relaxer system and method that ameliorates and inhibits the adsorption and retention by alkaline, chemically-relaxed hair of exogenous multivalent metal ion present in the chemical relaxer, in the rinse wa...
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WO/2002/066135A1 |
A microchip-based electrospray ionization device and column with affinity adsorbents is disclosed. The invention includes a microchip array.(2) and a capillary tube (1) or alone or attached in combination. At least a portion of the devic...
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WO/2002/061157A2 |
A silica-polyamine based extraction material selectively removes copper from low concentration, low pH leach solutions separating copper from ferric iron or chloride ions. The silica-polyamine base is a reaction product of a polyamine an...
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WO/2002/060824A1 |
Disclosed is a method which can be used for capturing a metal and/or metalloid contained in various industrial and domestic waste waters with good efficiency by using a chelate-forming fiber which has a functional group capable of formin...
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WO/2002/053269A1 |
A method of separating, in an aqueous environment, isotopes from the same element, belonging to alkaline-earth, transition elements and heavy metals with an atomic weight less than 209, particularly lanthanides. The inventive method comp...
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WO/2002/041989A1 |
A metal-chelating ligand-support conjugate comprises coordination groups selected from COOH, PO¿3?H and SO¿3?H bound to a ligand backbone, the ligand backbone is linked, optionally by means of a spacer, to a support matrix, and the lig...
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WO/2002/040405A2 |
Method for the treatment of a nickel-containing waste water, comprising a phosphate bath overflow and/or the rinsing water after phosphating, whereby the phosphating is carried out with an acidic aqueous phosphate solution, containing 3 ...
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WO/2002/037100A2 |
The present invention relates to a method for the removal, recovery, and/or purification of hemeproteins or hemeprotein-hemeprotein ligand complexes from biological samples using Ni-NTA resin (nickel nitrilotriacetic acid). Furthermore, ...
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WO2001005717A9 |
The disclosed invention relates to a method of disposing of mercury-containing wastewater containing mercury-complexing materials, comprising the steps of treating wastewater containing mercury ions with a strong oxidizing agent in a rea...
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WO/2002/035581A2 |
Composite media (300), systems (100), and devices (200) for substantially removing, or otherwise processing, one or more constituents of fluid stream. The composite media (300) comprise a plurality of beads (302), each having a matrix (3...
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WO/2002/023176A1 |
The invention provides a sensor for sensing an anion, the sensor comprising a piezoelectric crystal microbalance, preferably a quartz crystal microbalance, on which is immobilised a complexant, the complexant having at least one cation b...
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WO/2002/018050A1 |
The invention concerns a complexing structure, a method for treating a liquid effluent using said complexing structure, and a device for implementing said method. The structure comprises an electrically neutral organic polymer or copolym...
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WO/2002/005033A1 |
The present invention provides a method for reducing the metal ion content of a film-forming resin, said method comprising the steps of: a) providing a solution of the film-forming resin in a water-immiscible solvent system comprising at...
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WO/2001/097973A1 |
Ion exchange resin composite fibers include a substrate fiber, and an ion exchange resin, on the substrate fiber. The ion exchange resin composite fibers exhibit greatly increased kinetic rates of reaction and regeneration.
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WO/2001/081365A2 |
A metal chelating composition having the formula: wherein Q is a carrier; S?1¿ is a spacer; L is -A-T-CH(X)- or -C(&equals O)-; A is an ether, thioether, selenoether, or amide linkage; T is a bond or substituted or unsubstituted alkyl o...
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WO/2001/080964A1 |
A liquid chromatography apparatus with stationary and mobile phase temperature controls suitable for polynucleotide separations by MIPC and DMIPC processes. The apparatus includes heater means (80) with a temperature control system; a ma...
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WO/2001/072849A1 |
The invention concerns per(3,6-anhydro)cyclodextrin derivatives, their preparation and their use for separating polluting ions, for example, for human decontamination. Said derivatives correspond to one of the formulae (I) and (II) where...
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WO/2001/068729A1 |
Naphthyl crown ether ligand molecules containing at least two naphthyl groups that are covalently bonded to suitable solid supports and coated by hydrophobic organic solvents are disclosed. These compositions and associated methods are c...
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WO/2001/062669A1 |
Novel stable forms of technetium and methods for their production are provided. These methods have particular application for the removal of technetium from industrial waste compositions.
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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/2001/044521A1 |
The present invention relates to a process for recovering copper from solutions from the recovery of iodine from industrial wastes from the production of ionic and non-ionic iodinated X-ray contrast agents by use of chelating resins suit...
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WO/2001/029104A1 |
A heavy-metal ion remover superior in removing ability to conventional ones. The organic polymeric material is characterized by comprising an organic polymer backbone and, bonded thereto, polymer side chains which are derived from a halo...
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WO/2001/029105A1 |
A functional material having the higher ability to adsorb and separate than conventional ones. The material having a separating function is characterized by being formed by incorporating polymer side chains derived from a p-haloalkylstyr...
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WO/2001/023067A1 |
Compositions and methods for selectively binding metal ions from source solutions are disclosed. The compositions include 1) polyamide-containing ligands covalently bonded to a particulate solid support, and 2) polyamide-containing polym...
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WO/2001/015806A1 |
The invention concerns a method and an installation for eliminating metal cations contained in a liquid, which consists in contacting said liquid, at a temperature not less than 60 °C, with a chelating ion-exchanging resin consisting of...
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WO/2001/014062A1 |
The invention pertains to a method for removing metallic ions and/or particulate material from a pH neutral solution using particle-removing membranes (e.g., ultra high molecular weight polyethylene) having immobilized ligands that posse...
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WO/2001/014252A2 |
This invention relates to a method for removing impurities from a brine solution, the brine solution comprising a water soluble chelating agent, the method comprising the steps of: a) adjusting the pH of the brine solution to a pH of fro...
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WO/2000/076760A1 |
Compositions and methods for selectively binding metal ions from a source solution comprise using a polyhydroxypyridinone-containing ligand covalently bonded to a membrane support having the formula M-A-L(HOPO)¿n?. M is a membrane havin...
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WO/2000/076616A1 |
Compositions and methods for selectively binding metal ions from a source solution comprise using a polyhydroxypyridinone-containing ligand covalently bonded to a particulate solid support through a hydrophilic spacer of formula: SS-A-X-...
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WO/2000/071805A1 |
A metal chelate-forming fiber which comprises a synthetic fiber and at least one metal chelate-forming compound selected from the group consisting of aminocarboxylic acids reactive with a glycidyl group, aminocarboxylic acids, thiocarbox...
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WO/2000/070012A1 |
A method of making a metal chelate filter or metal chelating species filter including the following step of: treating a filter having a pore size of 0.01 to 1000 microns and accessible functional groups with a metal chelate or metal chel...
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WO/2000/067905A1 |
A chelate-forming porous hollow fiber membrane, characterized by being produced by reacting the residues of an epoxy compound radiation-grafted onto the surface of a polyethylene porous hollow fiber membrane with a compound which reacts ...
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WO/2000/066198A1 |
The present application discloses a method for removing heavy metal from a subject's bone tissue. The method includes contacting a subject's bone tissue with the subject's blood under conditions effective to transfer at least some of the...
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WO/2000/054881A1 |
The invention provides a complexant for complexing an anion, particularly, but not exclusively, a pertechnetate anion. The complexant has at least one cation binding site and, when said at least one cation binding site is occupied by a c...
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WO/2000/052004A1 |
Thiacrown polymers immobilized to a polystyrene-divinylbenzene matrix react with Hg?2+¿ under a variety of conditions to efficiently and selectively remove Hg?2+¿ ions from acidic aqueous solutions, even in the presence of a variety of...
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WO/2000/052252A1 |
A fiber capable of forming a metal chelate which comprises a natural or regenerated fiber and, bonded to the molecules thereof through a crosslinking compound having a reactive double bond and a glycidyl group in the molecule, at least o...
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WO/2000/042075A1 |
The invention relates to malatyl polysaccharides which are obtained by reacting polysaccharides and cis epoxy succinate or epoxy carboxylic acids. The invention further relates methods for producing them and to their use in washing agent...
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WO/2000/041974A1 |
The simultaneous precipitation of soluble heavy metal ions from semiconductor wastewater containing abrasive solids and enhancement of microfilter operation is achieved through the addition of an effective amount of a water-soluble polym...
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WO/2000/034407A1 |
A powdery chelate-trapping material having, incorporated in the molecule thereof, chelate-forming functional groups which comprise acyl groups, etc. and are represented by general formula (1) wherein R¿1?, R¿2?, and R¿3? each represen...
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WO/2000/033367A1 |
A wet cleaning apparatus wherein rinse is carried out using ultrapure water as rinsing water by feeding the ultrapure water to a point of use within the apparatus through a pipeline, characterized in that a module (20) charged with a por...
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WO/1999/065607A1 |
A process for separation of a compound from a solution by cation exchange. One characterizing feature is that cation exchanger used carries a number of ligands X-Y(Z)¿n? and requires an elevated ionic strength for elution a bound compou...
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