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WO/2003/080872A1 |
The present invention relates to a method of separating sugars and sugar alcohols from each other. More particularly the present invention relates to the use of a weakly basic anion exchange resin in a chromatographic separation process....
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WO/2003/078017A1 |
A compact portable modular wastewater treatment system which integrates several processing technologies to provide a substantially purified water source. A wastewater stream (101) is sent through an initial filtration step (102). The fil...
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WO/2003/072352A1 |
The present invention relates to compositions comprising surface modified carbon-clad metal oxide membranes and monoliths. In particular the invention relates to membranes and/or monoliths comprising carbon-clad metal oxide, functionaliz...
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WO/2003/070361A1 |
A softener-RO brine unit (F) to be applied in a Reverse Osmosis system for producing low Boron water from sea water. The efficiency of the Reverse Osmosis system is increased by driving the downstream brine through an ion exchange soften...
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WO/2003/068397A1 |
The invention relates to a enantioselective cation-exchange material comprising a chiral selector (1) consisting of a chiral component (2) and at least one cation-exchange group (X), a spacer (3), and a carrier (4). The cation-exchange m...
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WO/2003/064330A1 |
The invention is directed to a microbiological interception enhanced filter medium comprising a microporous structure having a mean flow path of less than about 2 microns and made of an array of active particles. At least a portion of th...
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WO/2003/061804A1 |
An improved process for improving the purity of an impure material, for example for producing low color nicotine is disclosed. The process involves passing a solution of less pure material, for example nicotine, in a non-aqueous solvent,...
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WO/2003/055604A1 |
An ion exchanger being used in an electric demineralization apparatus as at least one of ion exchangers disposed in a demineralization chamber and/or a concentration chamber, which has a plurality of different functional groups on at lea...
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WO/2003/051778A2 |
The invention relates to a method for treating circulating water in paint installations, according to which either a paint coagulum is produced by the addition of coagulating means, or deflocculated paint particles are produced by the ad...
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WO/2003/042098A1 |
Compositions including zirconium phosphate particles as well as methods of synthesizing and using same are provided. The zirconium phosphate particles are synthesized through the use of polyphosphate and zirconyl chloride.
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WO/2003/042248A1 |
The present invention relates to a preparation method of solvent-free water-dispersible hydroxypropyl methyl cellulose phthalate nanoparticle, and more particularly, to a preparation method of solvent-free water-dispersible hydroxypropyl...
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WO/2003/041764A1 |
Methods and devices for providing dialysis treatment are provided. The device includes a resin bed including zirconium phosphate, zirconium oxide, and urease.
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WO/2003/037794A1 |
The invention relates to a method for recovering lithium chloride from brine and to an installation for carrying out said method. The method for recovering LiCl from brine using selective sorptive extraction of the lithium substantially ...
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WO/2003/031062A1 |
The invention concerns alkali-stable hydrophilic sorbents for ion-exchange chromatography. The invention is characterized in that it consists in using as base material a crosslinked vinyl polymer consisting of vinyl monomers containing d...
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WO/2003/027666A1 |
A process for the production of collection columns for carbonyl compounds which exhibit low blank values and enable easy and simple analysis of carbonyl compounds (such as formaldehyde) contained in a gas or water with high sensitivity a...
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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/2003/022392A1 |
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/2003/020393A1 |
A chemical distribution system (200) having improved organic solvent fluid purity and consistency includes a vessel (206) containing ion-exchange media positioned within a fluid flow pathway such that the organic solvent fluid passes thr...
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WO/2003/018166A1 |
The invention relates to a method for the adsorption of heavy metals from media containing heavy metals, using a Lyocell moulded body. The invention also relates to a cellulosed moulded body comprising adsorbed heavy metals and the use o...
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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/2003/018193A1 |
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/2003/011750A2 |
Chlorous acid is generated from a chlorite salt precursor, or a chlorate salt precursor. The ion exchange material facilitates the generation of chlorous acid by simultaneously removing unwanted cations from solution and andding hydrogen...
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WO/2003/011459A1 |
The invention relates to a novel method for producing pharmaceutical preparations or intermediate products thereof, whereby the pharmaceutical preparation is provided in the form of a dispersion, the particles contained in the dispersion...
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WO/2003/010339A1 |
Disclosed is a process of chromatographically separating a material comprising a mixture of sugars, primarily xylose and glucose, into separate streams, one enriched in glucose and another enriched in xylose. In one preferred embodiment,...
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WO/2003/008339A1 |
The present invention provides a process for the extraction of an organic heavy metal compound from an aqueous medium comprising the step of contacting the aqueous medium containing the organic heavy metal compound with an ion exchanger.
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WO/2003/006537A1 |
Highly fluorinated ion-exchange polymers achieve dissolution in aqueous tetrahydrofuran at lower pressures and temperatures than in other solvents, with few or no side products being formed.
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WO/2003/006383A1 |
The aim of the invention is to create a method for purifying water which is polluted with lead alkyls, whereby lead alkyls are eliminated from polluted ground water in a simple, cost-effective and almost quantitative manner. To achieve t...
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WO/2003/000593A1 |
A multicolumn selectivity inversion generator has been developed in which bismuth-213 is selectively extracted from an HC1 solution of the actinium-225 parent (and its radiogenic descendents) by a primary separation column containing a s...
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WO/2003/000376A1 |
A gas-free system for separating a solution of substantially impurity-free daughter products from an associated parent load solution includes a pump (16), a plurality of multi-port valves (18, 20, 22), separation medium (24) and a proces...
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WO/2002/098798A1 |
An article of manufacture, a system, and a method for at least partially deionizing water, including but not limited to converting tap water into essentially deionized water that can be used for numerous purposes including, but not limit...
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WO/2002/096559A1 |
The invention relates to processes and compositions for at least partially removing cations of one or more metals selected from the group consisting of caesium, strontium, lead, silver, transition metals, lanthanides and actinides from a...
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WO/2002/083770A1 |
A composite porous ion-exchanger having ion-exchange groups uniformly distributed therein and formed in a continuous air bubble structure having macro pores communicating with each other and meso pores of a specific average diameter in t...
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WO/2002/083202A1 |
An adsorbent device for body fluid treatment which has a space packed with an adsorbent coated with a hydrophilic polymer, characterized in that the space packed with the adsorbent has not been filled with a filling liquid. In particular...
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WO/2002/084403A1 |
Disclosed is a method for producing an acid sensitive liquid composition. The method involves passing an acid sensitive liquid composition contained a carbonate represented by the formula ROC(=O(OR?1¿ wherein R and R?1¿ independently a...
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WO/2002/074448A2 |
Materials for coating, coating compositions, methods and articles of manufacture comprising a nanoparticle system or employing the same to impart surface modifying benefits for all types of hard surfaces are disclosed. In some embodiment...
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WO/2002/074688A1 |
An aqueous alkali silicate solution, characterized in that it has a molar ratio of silicon to alkali in terms of the oxide (SiO¿2?/(A¿2?O + B)), wherein A represents an alkali metal, and B represents NH¿3?, of 4 to 30, and a SiO¿2? c...
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WO/2002/070456A1 |
A complexing ligand for forming a complex with a cation, the ligand comprising an aromatic component including two or more attachment sites for the cation, an optionally substituted amine, such as an aminoalkylene group, and a hydrocarbo...
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WO/2002/070444A1 |
In post-treatment steps for a liquid reaction mixture obtained by condensing excess phenol with acetone in the presence of an acid catalyst, the step of filtration with a filter is conducted in at least one step between the step of disso...
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WO2001046686A9 |
The invention relates to a chromatography material for separating nucleic acid mixtures by means of a carrier and ion exchanger functions applied thereto. The carrier comprises a fibrous material. The invention also relates to methods wh...
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WO/2002/070612A1 |
The present invention relates to a system and method for cleaning and/or treating the exterior surface of a vehicle.
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WO/2002/066381A2 |
A method of water softening utilizes macrocrystallinge aggregates consisting essentially of submicron crystals of aluminosilicate zeolite. The aggregates have a size of greater than 5 microns and are used in a static bed water softening ...
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WO/2002/062472A1 |
The invention relates to spherical shaped copolymers produced by means of a seed-supply method with a supply of vinyl aromatic, divinylbenzol, methylacrylate and radical starters, which can be transformed into gel-type cation exchangers ...
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WO/2002/060998A2 |
Rinse aid materials for coating, coating compositions, methods and articles of manufacture for use in automatic dishwashing appliances comprising a nanoparticle system or employing the same to impart surface modifying benefits for all ty...
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WO/2002/055587A1 |
The invention relates to new compounds of the formula, wherein R and R?1¿ are each independently hydrogen, a linear or branched C¿1-40? alkyl, C¿2-40? alkenyl or C¿2-40? alkynyl group , an aryl or C¿1-40? alkylaryl group or an optio...
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WO/2002/053288A2 |
Method for desalting an aqueous liquid containing a charged substance comprising the steps of:(i) contacting liquid (I) with an ion-exchanger (1) under conditions permitting binding between ion-exchanger and substance, said ion-exchanger...
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WO/2002/053252A2 |
Method for the removal of a substance from an aqueous liquid by ion exchange comprising providing a liquid with said substance is present; providing an adsorption matrix which comprises at least two different ligands; contacting the liqu...
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WO/2002/048043A2 |
A novel water softening material comprising a porous matrix such as carbon or paper having incorporated in the pores thereof an ion-exchanger composition comprising either a hybrid zeolite-silicate powder in which the zeolite contains oc...
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WO/2002/048040A2 |
Novel morphologies are provided for aluminosilicate zeolite ion-exchange materials useful for static water softening. The zeolites are provided in the form of large aggregates composed of submicron zeolite crystals. Rapid exchange rates,...
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WO/2002/046294A1 |
The invention relates to a method for producing dimensionally stable, spherical carbohydrate particles. The inventive method is characterized in that: at least one fibrous or powdery high-molecular insoluble carbohydrate and/or at least ...
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