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WO/2011/102479 |
In a process for producing an aromatic carboxylic acid, when a chelate resin having a pyridine ring, which is used in the step for absorbing and collecting a bromide ion and a heavy metal ion derived from a catalyst by means of an oxidat...
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WO/2011/102480 |
In a process for producing a terephthalic acid, when a chelate resin having a pyridine ring, which is used in the step for absorbing and collecting a bromide ion and a heavy metal ion derived from a catalyst by means of an oxidation reac...
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WO/2011/067340 |
The invention relates to chelate resins containing methylene aminoethyl sulfonic acid groups, to a method for the production thereof, and to the use thereof for removing heavy metals or valuable metals from aqueous solutions having a pH ...
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WO/2011/045912 |
Disclosed is a novel adsorbent having high boron adsorption capacity and having resistance against an alkali and an acid. Specifically disclosed is a boron adsorbent represented by general formula (1) (wherein R1 represents a hydrogen at...
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WO/2010/122954 |
A metal adsorbent which can adsorb a wide variety of metals, can conform to various uses, and adsorbs metals in large amounts. Metal adsorbents in various forms, which have the property of highly efficiently adsorbing metals, are produce...
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WO/2010/098257 |
Disclosed is a chelating resin which is obtained by introducing a compound having a polyethyleneimine skeleton into a polymer carrier that has a reactive functional group, and then carboxymethylating the resulting material using halogena...
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WO/2010/008055 |
A method for wastewater treatment is provided by which a heavy-metal compound derived from a process for producing an aromatic carboxylic acid can be efficiently recovered from a wastewater containing the heavy-metal compound. The metho...
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WO/2010/001728 |
Provided is a method for quickly separating radioactive copper from nickel containing radioactive copper and radioactive cobalt. The nickel that contains radioactive copper and radioactive cobalt is dissolved in an acidic solution and pa...
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WO/2009/109522 |
The present application relates to novel monodisperse, gel-form or macroporous picolylamine resins based on at least one monovinylaromatic compound and at least one polyvinylaromatic compound and/or a (meth)acryloyl compound which contai...
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WO/2009/109520 |
The present application relates to new gel-like or macroporous picolylamine resins based on at least one monovinyl aromatic compound and at least one polyvinyl aromatic compound and/or a (meth)acrylic compound containing tertiary nitrog...
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WO/2009/019012 |
The present invention refers to a method for binding a polycarboxylic acid to a solid phase. Further, the invention refers to a solid phase having a polycarboxylic acid immobilized thereto and methods of using the solid phase, e.g. for p...
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WO/2009/019012 |
The present invention refers to a method for binding a polycarboxylic acid to a solid phase. Further, the invention refers to a solid phase having a polycarboxylic acid immobilized thereto and methods of using the solid phase, e.g. for p...
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WO/2009/013142 |
The present invention relates to novel chelate resins comprising quaternary nitrogen atoms as a functional group in structures of the general formula (I), wherein at least one of the radicals R1 to R3 stands for an optionally substituted...
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WO/2009/013149 |
The invention relates to a method for producing novel chelate resins based on cross-linked perl polymers arising from (meth)acrylic compounds having aminomethyl groups and/or aminomethyl nitrogen heterocyclic groups as functional groups ...
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WO/2009/013149 |
The invention relates to a method for producing novel chelate resins based on cross-linked perl polymers arising from (meth)acrylic compounds having aminomethyl groups and/or aminomethyl nitrogen heterocyclic groups as functional groups ...
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WO/2009/013142 |
The present invention relates to novel chelate resins comprising quaternary nitrogen atoms as a functional group in structures of the general formula (I), wherein at least one of the radicals R1 to R3 stands for an optionally substituted...
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WO/2008/133322 |
A method for the treatment of tetraalkylammonium ion-containing development waste liquor by conducting successively the conversion step of bringing an acid into contact with a cation-exchange resin or a chelating resin to convert the res...
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WO/2008/117388 |
A radioactive fluorine anion concentrating device capable of concentrating 18F- ions speedily and efficiently. A flow cell (11) is composed of a metal plate electrode (21), an insulating sheet (23) and a carbon plate electrode (25) locat...
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WO/2007/137752 |
The present invention relates to a method for generating at least one polydentate metal chelating affinity ligand, which method comprises the steps of (a) providing at least one scaffold defined by the general formula (I): H2N-(X1)n-S-S-...
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WO/2007/087698 |
The present invention is directed to a hybrid process using ion ex- change resins in the selective recovery of nickel and cobalt of leaching effluents that is comprised of the steps of processing (1 ) the laterite ore (M), which is then ...
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WO/2007/054227 |
The novel, silver-containing macroporous chelating ion exchanger resins comprising a copolymer (I) which comprises (i) 86 to 96% by weight of units derived from aromatic monovinyl monomers, and (ii) 4 to 14% by weight of units derived fr...
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WO/2007/018138 |
Disclosed is a material for use in the transfer of a substance contained in a liquid, which can trap/remove a substance of interest contained in a drainage water, a waste water or a liquid at a limited area and can also remove a polymer ...
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WO/2006/120396 |
The present invention provides a derivatised carbon in which an amino acid or a derivative thereof is attached to the carbon. Derivatised carbon of the invention may be useful in the detection and removal of metal ions from liquid media.
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WO/2006/120396 |
The present invention provides a derivatised carbon in which an amino acid or a derivative thereof is attached to the carbon. Derivatised carbon of the invention may be useful in the detection and removal of metal ions from liquid media.
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WO/2006/048746 |
The present invention relates to novel compositions such as cysteine adsorbed on solid support media and trimercaptotriazine bound to silica gel, which are useful for the removal of heavy metals such as palladium form organic phases. The...
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WO/2006/013864 |
A metal ion adsorptive sheet carrying a photoresponsive metal ion adsorbent material that ensures easy handling, excelling in the efficiency of contact between metal ions contained in an aqueous solution and the photoresponsive metal ion...
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WO/2005/123971 |
There is provided a process for removing metal from solution wherein a solution comprising a metal is contacted with a scavenger support, whereby the scavenger support binds to at least some of the metal in solution thereby decreasing th...
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WO/2005/120700 |
A polymer substrate functionalized with a functionality comprising at least one cyclic, metal ion coordinating ligand group which comprises at least 3 nitrogen donor atoms in the ring of the cyclic group, at least one of the nitrogen ato...
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WO/2005/113479 |
A process for the selective removal of Group VIII carbonylation catalyst metals and/or promoter metals from liquid compositions comprising a carbonylation product, the Group VIII carbonylation catalyst metals and/or promoter metals, corr...
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WO/2005/110595 |
This invention relates to a composition of matter comprising derivatized nanoparticles comprising inorganic nanoparticles having an attached metal-ion sequestrant, wherein said inorganic nanoparticles have an average particle size of les...
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WO/2005/089933 |
A process for covalently binding a tagged protein to a polymer particle comprising: contacting a tagged protein with a chelating agent-polymer particle conjugate wherein said tag comprises at least two histidine residues and at least two...
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WO/2005/080489 |
The present invention discloses a solution of metal-polymer chelate(s) and applications thereof. The solution is prepared as follows: the carbohydrate ,and/or the polymer having hydroxyl, and/or the polymer having hydroxyl , amino and/or...
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WO/2005/049190 |
The invention relates to novel ion exchangers containing carboxyl groups and (CH2)mNR1R2 groups, with improved exchange kinetics and selectivity. The invention also relates to a method for the production of said ion exchangers, and to th...
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WO/2005/035092 |
Disclosed are methods of separating a His-tagged target protein from non-target proteins, comprising a heme protein, using zinc- or cobalt-charged solid supports.
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WO/2005/028362 |
The invention relates to a method for the purification of sulphuric acids, in particular, metal-containing sulphuric acids, characterised in that monodisperse ion-exchangers with chelating functional groups are applied.
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WO/2005/025740 |
Light- and heat-responsive adsorbents having both light responsiveness causing reversible adsorption/desorption transition of a solute contained in a solution in dependence on whether they are irradiated with light or not and heat respon...
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WO/2005/023409 |
Crosslinked polymeric beads for removing arsenate from water, as well as methods for preparing and using the beads are disclosed.
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WO/2005/000441 |
A conjugate comprising a magnetic polymer particle bound to a carboxymethylated aspartate chelating ligand, optionally chelating a metal ion.
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WO/2004/110623 |
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/2004/110624 |
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/2004/104023 |
Use of an activated solid phase and an anchoring part which is attached to a peptide for solid phase peptide synthesis, wherein the anchoring part is coordinatively and reversibly attached to the activated solid phase. Furthermore provid...
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WO/2004/099086 |
It is the purpose of the present invention to provide filter cartridges which can suitably be utilized in purifying chemical fluids for treating the surface of an electronic device substrate to be used in the semiconductor industry, part...
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WO/2004/087284 |
The present invention relates to the preparation of a metal chelating separation medium, which comprises providing a compound defined by formula below R-O-CO-(CH2)n-CHNH2-CO-OH wherein R is a selectively cleavable group; and n is an inte...
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WO/2004/084287 |
A material for purification of semiconductor polishing slurry that without changing of pH value, is capable of efficiently purifying a polishing slurry to thereby not only prevent metal contamination of a polished object as effectively a...
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WO/2004/078828 |
A polymer carrier having a specified zinc complex group bound thereto by a covalent bonding directly or via a spacer. The polymer carrier has a property of binding to an anionic substituent (for example, a phosphoric acid group) under a ...
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WO/2004/078342 |
A polymer support which has the property of combining with an anionic substituent (e.g., a phosphate group) under certain conditions and is sparingly solvent-soluble (preferably solvent-insoluble) as a whole, can scavenge a substance hav...
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WO/2004/076475 |
The present invention relates to a method of generating polydentate metal chelating affinity ligands, which method comprises the steps of providing a cyclic scaffold comprising a carbonyl, an adjacent sulphur and a nucleophile; providing...
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WO/2004/074544 |
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/2004/071639 |
The invention relates to a derivative of per(3,6-anhydro)cyclodextrine of formulae (I) or (II) wherein at least one R1 represents a radical selected from peptides, proteins, lipids, oligo or polynucleotides and oligo or polysaccharides, ...
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WO/2004/058423 |
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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