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Matches 501 - 550 out of 1,433

Document Document Title
JP4285904B2
The present invention relates to a process for the preparation of an aqueous hydroxylamine solution which is essentially free of metal ions, wherein the hydroxylamine solution is subjected to at least one treatment with an acidic cation ...  
JP4266377B2
A polymer carrier to which a prescribed zinc complex group is binding directly or through a spacer, having property to bond, under a certain condition, to an anionic substituent (a phosphate group, for example), showing low solubility to...  
JP2009091610A
To provide a method for purifying a solution, which purifies a waste treatment liquid for a chemical conversion film with the use of trivalent chromium by effectively removing impure metal ion components such as a zinc ion, a ferrous ion...  
JP2009079224A
To provide a polymeric article having a surface and bulk, comprising an entangled blend of a first polymer component and a second polymer component that is a copolymer of methyl methacrylate and a methoxy poly(ethylene glycol) methacryla...  
JP4239201B2  
JP2009050761A
To provide a module for removing metals in a high-viscosity liquid, the effective ion exchange capacity of which is made high, the ion exchange rate of which is also made high and in which a practical treatment flow rate can be secured a...  
JP4231677B2
To provide a method for recovering cerium ions as cerium oxide in good yields from a waste etchant containing chromium ions and cerium ions. The method comprises a step 1 of adjusting the pH of a waste solution (W) containing cerium ions...  
JP4209702B2  
JP4206073B2
One embodiment of the invention comprises 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 conditio...  
JP4194071B2  
JP2008291038A
To provide a new crown ether.The crown ether is a crown ether containing a reactive-alkenyl-terminated linker chain of about 1 to about 20 atoms in length, wherein the reactive alkenyl group gives a reactive site for covalently bonding t...  
JP4189167B2  
JP4188832B2
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...  
JP2008542197A
Derivatised carbon is disclosed in which an amino acid or a derivative thereof is attached to the carbon. Derivatised carbon may be useful in the detection and removal of metal ions from liquid media.  
JP4187306B2
Dimethyl sulphoxide (DMSO) is purified to decrease its content of alkali(ne earth) and/or other metal cations by treating it with at least two cation exchange resins. At least one of the resins is of the sulphonic type (in acidic or ammo...  
JP4169788B2
PCT No. PCT/US97/11054 Sec. 371 Date Dec. 14, 1998 Sec. 102(e) Date Dec. 14, 1998 PCT Filed Jun. 24, 1997 PCT Pub. No. WO97/49492 PCT Pub. Date Dec. 31, 1997A method and composition for the concentration and removal of desired metal ions...  
JP4162141B2
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....  
JP4150442B2
The present invention is concerned with improved chelating resins. More particularly, the present invention is concerned with macroporous, aminoalkylphosphonic or iminodiacetic acid chelating resins having improved stability and capacity...  
JP4149628B2  
JP4149001B2
PCT No. PCT/EP97/04545 Sec. 371 Date Mar. 11, 1999 Sec. 102(e) Date Mar. 11, 1999 PCT Filed Aug. 21, 1997 PCT Pub. No. WO98/11145 PCT Pub. Date Mar. 19, 1998An insoluble, only slight swellable, polymer having modified amino groups, which...  
JP2008200651A
To provide a method for recovering a harmful ion, which has excellent recovery efficiency, can capture various harmful ions, is flexible, is less likely to disintegrate upon immersion in an acid, a base or the like, can realize repeated ...  
JP4144311B2
Abstract of the Disclosure A process for separation/recovery of PGM by selectively adsorbing and eluting PGM in the form of chloride, e.g., chloro complex, irrespective of its form, using an ion exchange resin from a chloride solution co...  
JPWO2006013864A1
It is easy to handle, the contact efficiency between the metal ions contained in the aqueous solution and the photoresponsive metal ion adsorbing material is high, the light can be efficiently received, and it is easy to discriminate the...  
JP2008174666A
To provide a method for efficiently removing heavy metals contained in a waste vinyl chloride resin composition in low energy by a solvent having little load of facility cost and being safer and recovering a polyvinyl chloride.The method...  
JP4116163B2  
JP4114763B2  
JP4099543B2
To provide a structure of a metal capturing material which is used in sea water, river water, or waste water of plants, or the like, to give most excellent adsorptive efficiency. This metal capturing device is formed by laminating fibrou...  
JP2008111158A
To provide a streamlined method of purifying brine for electrolysis.The method of purifying brine for electrolysis comprises dissolving a raw salt in water, adding a flocculating agent to the obtained crude brine, filtering the resultant...  
JP2008514419A
The present invention provides for Troika acids attached to a macroporous resin and Methods of preparing the same, including direct attachment of a Troika acid, and attachment of a Troika acid precursor followed by generation of the Troi...  
JP4067135B2
Corrosion metal contaminants are removed from a liquid composition comprising a carboxylic acid and/or an anhydride thereof, a rhodium carbonylation catalyst, and a carbonylation catalyst co-promoter by using a chelating resin selective ...  
JP2008507954A
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...  
JP4064046B2
An object of the present invention is to provide a heavy metal ion scavenger having more excellent scavenging performance than previously. In order to attain this object, organic polymer materials of the present invention are characteriz...  
JP2008506519A
Described herein are compositions and methods useful for the purification of water using dendritic macromolecules. The process involves using dendritic macromolecules (dendrimers) to bind to contaminants, and a filtration step to produce...  
JP2008031014A
To provide a method for producing a high purity alkali metal hydroxide in which an alkaline earth metal contained in an alkali hydroxide is removed for purification in the state where the alkali hydroxide is in high concentration.It was ...  
JP4030262B2
The present invention provides a process for producing a purified aqueous hydrogen peroxide solution, comprising passing a charged aqueous hydrogen peroxide solution containing impurities through a purifier tower (12) packed with an ion ...  
JP2007533789A
The present invention relates to novel ion exchangers comprising carboxyl groups and also -(CH2)mNR1R2 groups having improved exchange kinetics and selectivity, a method for their production and also use thereof for the adsorption of met...  
JP2007302938A
To provide a method of separating metal from solution of metal containing a trivalent phosphorus compound. In the method for removing metal components from the solution of metal containing a trivalent phosphorus compound and one or more ...  
JP2007533578A
The present invention relates to a process for purifying sulphuric acids, in particular metal-containing sulphuric acids, characterized in that monodisperse ion exchangers having chelating functional groups are used.  
JP3999596B2
To establish a technique for efficiently removing arsenic finely contained in water by a simple method without distinction of waste water/water for use, and to provide a raw material preferably used for the treatment. This arsenic-catchi...  
JP2007529487A
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...  
JP3997658B2
To effectively decrease the quantity of a residual org. elution component, by introducing a functional group, after at least a part of the solvent is removed after a crosslinked copolymer is brought into contact with the org. solvent. Th...  
JP3995803B2  
JP2007528870A
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...  
JP2007237026A
To provide a method for efficiently and inexpensively manufacturing a functional product such as a cement additive (AE water reducing agent, concrete mixer cleaning agent or the like), a ceramics additive (plasticizer, moisturing shape-m...  
JP2007224333A
To provide a method of selectively and efficiently collecting a particular metal from industrial effluent or sludge. The method of selectively collecting metal ions includes using cross-linked chitosan containing a unit expressed by the ...  
JP2007217670A
To provide a method for producing a metal ion imprinted polymer, wherein the ion imprinted polymer can be produced without using such a high priced solvent as a conventional fluorocarbon solution and also an ion imprinted polymer separat...  
JP3964573B2
To produce a fibrous metal-chelating material having excellent scavenging performances for toxic heavy metal ions, etc., and producible at a low cost by a simple and safe method, to provide a method for producing the fibrous metal chelat...  
JP3964830B2
To provide a chelate-forming fiber introduced with a chelate-forming functional group in the fiber molecule and capable of capturing metal ions in better efficiency, and a method for treating water. This chelate-forming fiber improved wi...  
JP2007523096A
In a solution of metal-polymer (chelate(s) and applications thereof, a metal-polymer chelate is prepared by mixing water and R—COOH soluble carbohydride molecules and/or hydroxyl or hydroxyl amino and/or carboxyl and/or carbohydrate po...  
JP3951029B2
To dissolve a fault of a conventional ion-exchange resin by providing the ion-exchange resin with a magnetic field moving function and spread an application area of the ion-exchange resin. The magnetic field moving type ion-exchange resi...  

Matches 501 - 550 out of 1,433