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WO/2005/110595A2 |
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/2005/089933A1 |
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/2005/080489A1 |
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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WO2005000441A9 |
A conjugate comprising a magnetic polymer particle bound to a carboxymethylated aspartate chelating ligand, optionally chelating a metal ion.
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WO2004084287A9 |
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/2005/049190A2 |
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/2005/035092A1 |
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/2005/028362A2 |
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/2005/025740A1 |
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/2005/023409A2 |
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/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/2004/110624A1 |
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/2004/104023A2 |
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/2004/099086A1 |
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/2004/087284A1 |
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/2004/078828A1 |
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/2004/078342A1 |
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/2004/076475A1 |
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/2004/074544A1 |
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/2004/071639A2 |
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/2004/058423A1 |
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/2004/052488A2 |
A process is provided for removing one or more metals from liquids. Also provided is a process for the synthesis of aP2 inhibiting compounds having the formula (I) wherein R1, R2, R3, R4, HET, and X-Z are as described herein, which proce...
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WO/2004/048569A1 |
The present invention relates to a method of isolating fully thioated single stranded antisense oligonucleotides from a biological solution, which method comprises the steps of contacting the biological solution with an immobilised metal...
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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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WO/2004/036189A2 |
The present invention provides compositions and methods for the separation of metals or molecules such as polypeptides, nucleic acids, or endotoxins using a metal-modified solid support. The metals or molecules are isolated from a starti...
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WO/2004/035170A2 |
The present invention provides compositions for the separation of metals or biomolecules such as polypeptides, nucleic acids, or endotoxins using modified solid supports.
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WO/2004/026247A2 |
Diketo- and pyridine-containing chiral crown ligands having at least two chiral bulky groups attached to two different chiral carbon atoms of the crown that are covalently bonded to or coated on suitable solid supports, and further coate...
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WO/2004/014959A2 |
The invention relates to novel cyclodextrin derivatives which are characterised in that at least one of the hydrogen atoms borne by the carbon atoms in position 3 and/or 5 and/or 6 of the glucopyranoside units (or glucose) contained in t...
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WO/2004/011120A1 |
Removing metals from metal containing acidic solutions, such as contaminated waters and industrial wastewaters, is described. An amphipathic, heterocyclic, metal-coordinating compound ( an extraordinary ligand) and a sorbent are added to...
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WO/2003/106757A1 |
The invention provides chelating fibers bearing chelate-forming functional groups in the molecule, which are improved in the uptake efficiency for metal ions; and a process for water treatment. The invention discloses chelating fibers wh...
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WO/2003/106507A1 |
The invention concerns per (3,6-anhydro) cyclodextrin derivatives comprising in C2 at least one carbamate group, polymers thereof, their preparation and their use for separating anion contaminants, such as CrO42-, Cr2O72-, MnO4- anions.
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WO/2003/094942A1 |
The invention relates to a composition containing sporopollenin. Said composition is characterised in that it is present as a solution and contains in addition to between 0.01 and 12 wt. %, preferably between 0.1 and 5 wt. % of sporopoll...
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WO/2003/090921A1 |
The invention relates to complexing composite capsules. The inventive capsules are characterised in that they essentially consist of: a core comprising agents that can complex and/or decomplex chemical entities, said agents being functio...
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WO/2003/089675A1 |
The invention relates to a method for the removal of metal impurities in chloride-based copper recovery processes. The amount of impurities in a strong chloride solution of monovalent copper can be reduced according to the method down to...
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WO/2003/087047A1 |
The present invention provides a novel metal chelate composition and its macromolecule complex. The invention also provides a preparation method of the metal chelate composition and method of using the metal chelate composition in purify...
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WO/2003/059818A1 |
A method of purifying gluconate-containing brine is described which comprises first removing transition metal cations and other impurities by passage of the brine through a first ion exchange resin. The brine is then passed through a sec...
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WO/2003/051494A2 |
Methods and apparatus for separating ions of metallic elements are provided. Preferred methods utilize a hydrophobic chelating extractant, such as an organophosphorus compound, adsorbed onto carbon or graphite fibers in the form of felt....
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WO/2003/045546A1 |
A method for the removal of a radioactive component from a liquid sample, comprises using a syringe mounted at the outlet of a chamber to draw the sample through the chamber, wherein the chamber is housed within a radiation-absorbing shr...
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WO/2003/042249A2 |
A polymer substrate functionalized with a functionality comprising at least one cyclic, metal ion coordinating ligand group, the cyclic ligand group comprising at least 3 metal ion coordinating donor atoms independently selected from the...
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WO/2003/042251A1 |
Compositions comprising chitosan in the form of a network of nano-sized fibres. There is also provided a process for making such compositions. The compositions have improved solubility and activity. The compositions are useful in hair ca...
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WO/2003/035723A1 |
The present invention is related to a complexating system comprising a tannin immobilised on a solid support by means of a bifunctional spacer which is covalently bound from one hand to said solid support by a first function and from the...
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WO/2003/033575A1 |
Molecularly imprinted polymer membranes for selectively collecting phosphate, nitrate and ferric ions are disclosed, prepared by copolymerizing a matrix monomer, cross-linking agent, ion imprinting complex, permeability agent and polymer...
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WO/2003/024588A1 |
The present invention relates to a method of generating a separation medium comprising mixed mode cation-exchanger ligands coupled to a base matrix, which method comprises to provide a scaffold comprising a functional group and exhibitin...
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WO/2003/022433A2 |
A derivatized macrocyclic compound comprising the formula (1) wherein M is a molecular framework monocyclic or polycyclic macrocycle moiety; L is a substituted or unsubstituted carbon chain linker covalently bound to M; R is a terminal f...
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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/2003/018548A2 |
The present invention provides halogenated calixpyrrole, calixpyridinopyrrole, and calixpyridine macrocycles having 4-12 pyrrolic rings with greater stability, enhanced anion and neutral molecule binding affinity, and different binding s...
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WO/2003/018193A1 |
The invention concerns a method for making a composite solid material based on metal hexacyanoferrate fixing mineral pollutants, comprising a solid support coated with an anion-exchanging polymer whereto is fixed an insoluble metal hexac...
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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/2003/009939A1 |
The invention concerns the use of a material based on organic and/or inorganic fibres and chitosan for fixing metal ions contained in an effluent. The invention is characterised in that chitosan represents between 0.01 and 20 % by dry we...
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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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