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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/2001/025285A1 |
Chromatographic beads with pores large enough to serve as through-channels for fast diffusion and a substantial absence of pores of smaller diameters that would cause band broadening due to slow diffusive transport, are formed by suspens...
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WO/2001/021272A1 |
The invention relates to a method of simultaneous purification and separation of pectin and pectic sugars/oligomers from sugar beet pulp using a multi-step process in an aqueous solution. The method comprises hydrolysis of the sugar beet...
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WO/2001/021271A1 |
The invention relates to chromatographic fractionation of pectin-containing vegetable material, such as sugar beet pulp. In the method of the invention, a pectin-containing hydrolysate is chromatographically separated into a pectin fract...
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WO/2001/022077A1 |
A method of separating HbA2 whereby HbA2 can be separated at a higher accuracy within a shorter period of time than in the conventional method. Namely, a method of separating hemoglobin A2 from a hemoglobin mixture by cation exchange liq...
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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/2001/012318A1 |
An improved separation process for the continuous catalytic oxidation of aromatic alkyls for the production of aromatic carboxylic acids in a liquid solvent medium, wherein the reactor product stream is withdrawn from the oxidation proce...
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WO/2001/012317A1 |
A method of treating an hydrated aluminosilicate which comprises the steps of: providing an aluminosilicate with a hydration level such that water will be expelled from the aluminosilicate upon heating, adding a binder to the aluminosili...
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WO/2001/010777A1 |
The invention relates to a method for preparing highly stabilised hydroxylamine solutions. According to said method, a starting aqueous hydroxylamine solution is treated for separating anions by means of an anion exchanger which has been...
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WO/2001/007517A1 |
Fluid composition containing ion exchange copolymer which is perfluorated with functional groups -SO¿3?M, M-hydrogen ions or ions of alkaline metals (EM higher than 900) and a polar organic solvent or a mixture of a polar organic solven...
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WO/2001/000717A1 |
The invention relates to a method and a reaction installation for chemically coating shaped bodies with covalently bonded polymers. The polymerization step and optionally preceding or subsequent reaction steps are carried out in a reacti...
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WO/2000/076661A1 |
The invention concerns a method for the selective separation of iron from other metal ions in particular ions present in certain oxidation catalysts. The invention also concerns a method for recycling oxidation catalysts in the oxidation...
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WO/2000/073214A1 |
The application discloses processes for removing total nitrogen from waste streams, firstly by removing ammonium and/or ammonia in a reactor such as a zeolite-containing container, thereby producing a stream containing reduced nitrogen c...
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WO/2000/072940A1 |
The invention relates to filters consisting of filter paper or paper-type nonwoven material. Said filters consist partially or completely of fibrous material containing cellulose. The aim of the invention is to eliminate the disadvantage...
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WO/2000/071546A1 |
A method for separating a lactone-containing high-molecular weight compound having an alkyl group as its side chain from a lactone-containing high-molecular weight compound having an alkenyl group as its side chain, the lactone-containin...
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WO/2000/069872A2 |
pH dependent ion exchange matrices are provided, with methods for making such matrices, and methods for using such matrices to isolate a target nucleic acid, as such as plasmid DNA, chromosomal DNA, or RNA from contaminants, including pr...
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WO/2000/068286A1 |
The invention relates to insoluble popcorn polymers that are only slightly capable of swelling and that contain a) 50 to 99 wt. % of styrene and/or at least one monounsaturated styrene derivative; b) 0.1 to 40 wt. % of at least one N-vin...
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WO/2000/064817A1 |
The invention relates to a method for treating the overflow from a phosphating bath and/or rinsing water after phosphation, the phosphation having been carried out with an acidic aqueous phosphating solution containing 3 to 50 g/l phosph...
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WO/2000/064951A1 |
The invention relates to sulphonated polymer resins, particularly polymer resins with a sulphonated shell layer, and the preparation thereof. Resins according to the invention are prepared by sulphonating a polymer in a non-swollen state...
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WO/2000/058009A1 |
A cationic exchange resin which is obtained by sulfonating a copolymer resin from a monovinyl monomer, which is mainly a styrenic monomer, and a divinyl monomer, characterized in that at least a part of the divinyl monomer is a polycycli...
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WO/2000/056454A1 |
There is provided a macroporous, strong-acid polysiloxane ion exchange resin wherein at least one percent of the active sites have been converted to the silver or mercury form. The resins are particularly useful for removing iodides from...
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WO/2000/049069A1 |
The present invention relates to a sulfonated polymer membrane and to a process for the preparation thereof. According to the process, a polymer film is irradiated, and the irradiated polymer film is sulfonated in order to link sulfonic ...
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WO/2000/045951A1 |
Novel material for chromatographic separations, processes for its preparation, and separations devices containing the chromatographic material. In particular, the disclosure describes porous inorganic/organic hybrid particles having a ch...
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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/2000/033958A1 |
A water treatment module and process for treating power plant condensate water utilizing a sulfonated ion exchange resin comprising copolymer beads having an interpenetrating polymer network of at least two polymer components wherein at ...
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WO/2000/034386A2 |
Gel-type copolymer beads are described which are useful as ion exchange resins such as those used in the treatment of power plant condensate water. The subject copolymer beads possess an interpenetrating polymer network of at least two p...
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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/2000/027496A1 |
The present invention relates to a novel sorbent suitable for use as a stationary phase in a chromatography column, the core of which consists of an organic polymer of synthetic or natural origin. Further, the carrier according to the in...
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WO/2000/027513A2 |
Disclosed is a composition containing 30-95 wt.% sulphonated aromatic polyether ketone with an ion exchanger capacity of 1.3-4.0. meq (-SO¿3?H)/g polymer, and 0.5-70 wt.% polybenzimidazol. The inventive composition can be processed into...
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WO/2000/024796A1 |
This invention relates to novel ion-conducting materials suitable for use as solid polymer electrolyte membranes in electrochemical applications including fuel cell systems. More specifically, these novel ion-conducting polymers are base...
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WO1999039816A9 |
Silica gel is formed, then aged at 40-80 degrees celcius. It is then surface-modified at this temperature and the resulting material is used to remove metal ion from solution.
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WO/2000/021914A1 |
Cobalt or rhodium carbonyl compounds are removed from an aqueous solution of 3-hydroxypropanal by a process comprising the steps of: (a) contacting the 3-hydroxypropanal solution with oxygen under acidic conditions at a temperature withi...
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WO/2000/020102A1 |
A mass transfer composite membrane (12) for use with a fuel cell power plant (10) includes a transfer medium core (62) between opposed, rigid, porous support sheets (64, 66). Inlet surface (54) is in contact with an oxidant source (36) a...
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WO/2000/002818A1 |
A cartridge filled with an ion exchange resin and having an air flow path which is provided at a location where the ion exchange resin is not filled. An ion exchange resin which removes a cation from water used in a humidifier; specifica...
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WO/2000/002658A1 |
The invention relates to a method and a device for converting a preferably weak acid ion-exchange material from the H form into the Ca form, according to which the ion-exchange material is brought into contact with an aqueous, preferably...
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WO/2000/001459A1 |
The present invention relates to the production of zeolite particle composites that have average diameters in the range of about 10 $g(m)m to about 180 $g(m)m. These diameter sizes are especially suitable to be used in conjunction with c...
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WO/2000/001458A1 |
A cross-linked water-insoluble ion exchange resin comprised of polymerized monomers having a phenyl ring is disclosed. A contemplated resin contains: (i) polymerized phenyl ring-containing monomers having a phosphonic acid ligand linked ...
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WO/2000/002041A1 |
A scavenging material for a carbonyl compound in a gas, characterized in that an agent capable of converting a carbonyl compound to a derivative thereof is held on a cationic ion exchanger, and a scavenging tube for a carbonyl compound i...
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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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WO/1999/064480A1 |
Embodiments of the present invention are directed to porous resins for solid phase extractions. The resins feature at least one hydrophobic component, at least one hydrophilic component and at least one ion exchange functional group. The...
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WO/1999/061904A1 |
A separation by chromatography using a packing material comprising an electrically charged copolymer is carried out in which a mobile phase is an aqueous phase and the effective charge density on the surface of a stationary phase can be ...
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WO/1999/058243A2 |
A method of selectively removing a target metal cation from a liquid medium containing at least one other metal cation involves the use of an ion exchange material selected from four groups: 1) crystalline materials synthesised from octa...
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WO/1999/058577A1 |
A method for preparing synthetic polymerized resins for ion exchange, namely, carboxylic cationites, which are suitable as sorbents for preparative separation and purification of biologically active compounds by low pressure liquid chrom...
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WO/1999/059161A1 |
The invention provides a use of a material comprising antimony silicate as a sorbent in the removal of metal ions, e.g. radioactive metal ions, from an acidic liquid medium. The metal ions may be selectively removed from amongst other io...
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WO/1999/055626A1 |
The present invention relates to the modification of organic ionites for imparting specific properties to the same, wherein this invention involves introducing into the ionite composition some low-solubility inorganic compounds that enab...
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WO/1999/056287A1 |
A method for treating a radioactive waste which comprises contacting a liquid waste containing a radioactive isotope with a selective adsorbent for the element of the isotope, which is soluble or easily decomposable, to thereby adsorb th...
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WO/1999/050212A1 |
A method for removing metal ions from cresol or aromatic mixtures containing cresol. Water is added and the water content of the cresol mixture is initially adjusted by at least 0.5 %. The cresol/water mixture is subsequently conducted v...
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WO/1999/049964A1 |
The present invention relates to a shaped body obtained from a reaction mixture comprising zeolite, plasticizing agent and binder, it being possible for the shaped body to be produced inexpensively in that the binder comprises a compound...
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WO/1999/047457A1 |
A method of removing ammonium ions or amines from contaminated water includes treating the water with sodium tetraphenylborate under acidic conditions. Advantageously, the tetraphenylborate is immobilized on polymer beads and the water i...
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