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JP2795379B2 |
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JP2795685B2 |
The invention has compositions of matter and process aspects. The compositions of matter aspect relate to two classes of new organic compounds, viz., A. intermediates which are sulfur-contining hydrocarbons covalently bonded to trialkoxy...
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JPH10192849A |
To removre heavy metal ions stably over a long period of time. A purification accelerating material 1 wherein a chelate agent is mixed with lumps of a water-soluble resin is brought into contact with water. By this constitution, the lump...
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JPH10176532A |
To economically regenerate a cooling liquid by combining the cation trapping process bringing the deteriorated cooling liquid into contact with a chelate resin and the anion trapping process bringing it into contact with a weak basic ani...
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JP2769161B2 |
The invention is a process of selective and quantitatively removing and concentrating at least one selected ion present in low concentration with other ions in higher concentration in a multiple ion solution. The method comprises bringin...
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JPH10146584A |
To remove effectively an aluminum ion by catching selectively that by a method wherein a water current is made to permeate a capture filtration layer with a chelate resin being one kind of ion exchange resin having preferential capture f...
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JPH1095791A |
To obtain the subject new compound comprising a specific protonionizing macrocyclic compound, having a convertible ionizing proton, capable of separating an ion selected in multiion solution and useful for recov ery, etc., of the objecti...
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JP2736256B2 |
The invention has composition of matter and process aspects. The composition of matter aspect relates to certain macrocyclic compounds bonded to silica or silica gel. The process aspect involves the use of any of these compositions of ma...
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JPH1081689A |
To obtain the subject compound having a lipophilic group bound to the molecule, having an ion-exchangeable or ionized proton-forming part and useful as a carrier for an objective metal ion or as a complexing receiver. A compound of the f...
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JP2731698B2 |
A chemically modified chelate resin comprising the reaction product of a cross-linked polymer bead chelate resin containing amine reaction sites with an aromatic aldehyde selected from the group consisting of 4-Formyl-benzo-15-Crown-5; 4...
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JP2681460B2 |
To efficiently separate an object ion from a mutli-ion solution under selective and competitive conditions by allowing a specific compound having an exchangeable or ionizing proton forming part of a large ring compound having a liphophli...
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JP2659237B2 |
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JPH09169769A |
To obtain a new macrocylic compound capable of being ionized with a specific proton, having properties of carrying the subject ion in a multi-ion solution selectively and competitively from a supplying phase to a receptive phase, useful ...
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JP2608712B2 |
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JPH09503766A |
The present invention relates to bis-imidazolyl compounds of the formula: and polymers having the above-identified bis-imidazolyl compounds as a polymerizable unit. The present invention further relates to a method for scavenging trace q...
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JP2595987B2 |
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JP2579773B2 |
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JPH0910603A |
To prolong the service life of a self-depositing resin bath by bringing a specified percentage of the total amt. of a used self-depositing resin bath contg. dissolved Zn and Fe ions into contact with a cation exchange resin, then bringin...
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JP2562571B2 |
PURPOSE: To obtain a metal chelate resin suitable for purification of a protein, especially the purification of the protein containing adjacent histidine residues. CONSTITUTION: This new nitrilotriacetic acid derivative is a compound of ...
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JPH08290066A |
PURPOSE: To improve low addition reaction efficiency due to uneven addition reaction of an amino acid by a graft-polymerizing polymerizable amino acid- bonded monomer obtained by the reaction of a polymerizable monomer and an amino acid,...
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JPH08254802A |
To provide a tin eliminating method from an aged photographic color development developer. A tin eliminating method from an aged photographic color development developer consists of collection of an aged photographic color development de...
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JP2508162B2 |
PURPOSE:To efficiently recover heavy metal without influence of coexisting ion, by bringing a soln. contg. the heavy metal into contact with a chelating agent obtd. by decomposing the amidoxime group and/or the imidodioxime group as a fu...
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JPH0829946B2 |
A method for recovering a transition metal such as rhodium from a polar or non-polar liquid by contacting said transition metal-containing liquid with an ion-exchange resin having bonded ionically thereto an organophosphorus ligand; the ...
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JPH0826106B2 |
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JPH0822382B2 |
Metal chelate resins whose complexed nitrilotriacetic acid residues are bound to a carrier matrix via a spacer and which are suitable for metal chelate chromatography of proteins, especially those which contain neighboring histidines.
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JPH0819010B2 |
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JPH0814444B2 |
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JPH089554B2 |
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JPH08800B2 |
A detectable molecule of the formulawhere A3 is A2 or a polymer, where A3 has at least one modifiable reactive group selected from the group consisting of amino, hydroxy, cis OH, halides, aryl, imidazoyi, carbonyl, carboxy, thiol or a re...
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JPH07119299B2 |
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JPH07108775B2 |
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JPH07292027A |
PURPOSE: To obtain a film-formable chelate-forming resin being capable of used as a nonpolluting surface treatment as a substitute for an inorganic surface treatment and having excellent anticorrosiveness by forming a resin having specif...
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JPH0798662B2 |
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JPH0798661B2 |
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JPH07258756A |
PURPOSE: To provide a method for extracting metal ions from an aqueous solution wherein preparation on industrial scale can be attained in an easy and environmentally friendly process at a low cost by utilizing an absorbing substance tha...
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JPH07232032A |
PURPOSE: To prevent the clogging of a heater tube and to respond promptly to the increase in the load of a heater by supplying an organic or inorganic compound having a plurality of coordination or positions to maintain its concentration...
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JPH0777617B2 |
PURPOSE:To facilitate elution of heavy metal by eluting heavy metal adsorbed on a chelating agent having easily decomposed functional group and/or the functional group difficultly eluting heavy metal in the molecule, with polyaminopolyca...
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JPH07215932A |
PURPOSE: To provide a novel monomer which is more easily accessible than an aromatic polyether and polymerizable at a low oxidation potential. CONSTITUTION: A monomer having at least three ether units and pyrrole or thiophene units and c...
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JPH07208166A |
PURPOSE: To prevent a polution and an environmental contamination, as well as to reuse a spent engine cooling waste liquid, by reutilizing it without abandonning it as in the conventional way. CONSTITUTION: By processing a spent engine c...
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JPH0771636B2 |
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JPH07504691A |
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JPH07118338A |
PURPOSE: To produce an anion exchange resin which scarcely decreases in its adsorptive capacity and forms very few carboxyl groups in the resin even after repeated use/regeneration cycles and has excellent durability. CONSTITUTION: The p...
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JPH0753634A |
PURPOSE: To obtain the subject ion exchange resin having both specified phosphorus content and cation exchange capacity, capable of selectively adsorbing lithium ion, excellent in highly selective adsorptivity, thus useful as a solid cat...
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JPH076963B2 |
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JPH075740B2 |
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JPH075739B2 |
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JPH074537B2 |
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JPH0710926A |
PURPOSE: To provide a process for preparing a calcium salt form of chelating resin without requiring any post-treatment of waste water resulting from production thereof, whereby a liquid treated with the resulting resin is also close to ...
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JPH07831A |
PURPOSE: To enhance the adsorptive properties of iron ion contained in an aqueous solution of an inorganic salt by bringing the solution into contact with a chelate resin having a functional group shown by a specific formula. CONSTITUTIO...
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JPH06346165A |
PURPOSE: To easily refine uranium contg. molybdenum and to produce an yellow cake satisfying the specifications by bringing a uranium exudation liquid contg. molybdenum into contact with a chelating resin contg. a specified group. CONSTI...
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