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JP2005514447A |
This invention relates to a process for improving the purity of an aqueous onium hydroxide solution. In particular, the invention relates to a process for improving the purity of aqueous onium hydroxide solutions containing undesirable a...
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JP3644998B2 |
PURPOSE: To selectively collect the I type crystals of a benzylidene derivative which is useful as an anti-inflammatory because of its anti-inflammatory action by dissolving or dispersing a specific benzylidene derivative in an alcohol s...
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JP3646157B2 |
To provide a method for forming CO2 hydrate by reacting CO2 with water or seawater by which a large amount of the CO2 can efficiently be converted to the hydrate, and the particle diameters of the formed CO2 hydrate can be controlled. Th...
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JP2005511864A |
A purification device for an organic electroluminescent material includes at least one inner tube in which a substance to be purified is arranged at one end thereof, and a plurality of connecting members for dividing the inside of each i...
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JP3634147B2 |
To effectively remove moisture in the processes for regenerating an isopropyl alcohol for production of semiconductor elements. This process for refining chemicals for production of the semiconductor elements consists in successively exe...
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JP2005507935A |
A process for producing substantially optically pure sertraline utilizes chromatographic separation on a solid stationary chiral phase of spherical clay particles having an interlayer containing an optically pure metal-organic complex, a...
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JP3630714B2 |
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JP3630423B2 |
A process is disclosed for separating components of an azeotropic or azeotrope-like mixture containing only organic compounds at least one of which compound is a halocarbon comprising contacting said azeotropic or azeotrope-like mixture ...
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JP2005052685A |
To absorb both VOC components of water-soluble VOC and water-hardly-soluble halogenated VOC and moisture contained in a gaseous raw material 5 in a high boiling point solvent such as DMSO in a lump to obtain an absorption column recovery...
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JP3624437B2 |
PURPOSE: To obtain a high-purity organometallic compound from an organometallic compound containing a slight amount of oxygen-containing component by heating the crude organometallic compound together with a specific amount of a halogena...
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JP3616853B2 |
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JP3614621B2 |
To provide a method for storing hydrates safely while effectively preventing or controlling decomposition of the hydrates by wrapping the hydrates by using a flexible material without or low gas permeability, by pressurizing the wrapped ...
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JP3611668B2 |
A method for inhibiting polymerization of acrylic-functional silanes comprising forming a mixture comprising an acrylic-functional silane and a polymerization inhibitor described by formula where n is 0 or 1; M is an atom selected from a...
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JP3611343B2 |
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JP2005500380A |
The use of amidoximes for stabilisation of ethylenically-unsaturated compounds against undesired radical polymerisation is disclosed. Combinations of amidoximes with phenol and/or phenothiazine compounds have a synergistic effect. Prefer...
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JP2004358351A |
To provide a crystallizing method by which crystals having the average particle size larger than usual can be manufactured by so-called a vaporizing/crystallizing method.This crystallizing method comprises a step of precipitating crystal...
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JP3604390B2 |
PCT No. PCT/FR94/01502 Sec. 371 Date Dec. 9, 1996 Sec. 102(e) Date Dec. 9, 1996 PCT Filed Dec. 21, 1994 PCT Pub. No. WO95/17433 PCT Pub. Date Jun. 29, 1995The invention relates to the use of mono-3,6-anhydrocyclodextrins for solubilizing...
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JP2004346184A |
To provide a method and an apparatus for continuously producing a gas hydrate.The method for producing the gas hydrate from a gas and water comprises mixing the gas, a liquid-state gas and the water at a low temperature under a high pres...
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JP3597873B2 |
A synergistic mixture of a carbonate and/or bicarbonate with a phosphonate, especially an organoamino methylene phosphonate or an N-oxide thereof, inhibits or reduces nitrosamine contamination during preparation, storage and/or heating o...
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JP3594614B2 |
PCT No. PCT/EP96/00058 Sec. 371 Date Jul. 16, 1997 Sec. 102(e) Date Jul. 16, 1997 PCT Filed Jan. 9, 1996 PCT Pub. No. WO96/22325 PCT Pub. Date Jul. 25, 1996The stabilizer mixture comprises (a) one or more chroman derivatives of the formu...
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JP3594869B2 |
To remove dioxins from a soil contaminated with the dioxins and a fly ash produced in an incineration furnace. A contaminated soil or a fly ash is mixed with an organic solvent for extraction using a mixing stirrer 12 to extract the diox...
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JP3596022B2 |
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JP3595607B2 |
The present invention discloses a process of preparing a crystalline insulin analog. The process is useful in the purification and manufacture of LysPro-human insulin. LysPro-human insulin is useful in the treatment of diabetes.
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JP2004534636A |
A process is proposed for the distillation or reactive distillation of a mixture that includes at least one toxic component, the process being carried out in a column containing a structured packing, having at least one packing layer ( 1...
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JP3587874B2 |
A purification process for cyclic formals, in which water is efficiently removed from a crude cyclic formal, namely, a mixture of a cyclic formal and water which is difficult to be separated from the mixture, thereby obtaining a cyclic f...
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JP3584166B2 |
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JP3584266B2 |
To provide a method for producing organic fine crystal for photoelectronic function, capable of readily obtaining ultrafine particle crystal having good monodisperse property in a short time. This method for producing organic fine crysta...
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JP2004532732A |
A method for separating at least one lower polarity fluid from a mixture of fluids having varying polarity, comprising contacting at least one low polarity or non-polar polymeric membrane with the mixture of fluids under conditions such ...
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JP2004285022A |
To provide a method for separating a crystal continuously for a long period without plugging of a transfer pipe caused by scaling on an inside wall of a gas-liquid separator for separating a solvent from a gas used for blowing the crysta...
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JP2004529981A |
A method of reacting a first non-fluorous compound to produce a second non-fluorous compound includes the steps of: contacting a first non-fluorous phase including the first non-fluorous compound with a first fluorous phase at a first ph...
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JP3568981B2 |
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JP3563781B2 |
PURPOSE: To provide a method for deacidifying an organic chloride by which an acidic component contained in the organic chloride is efficiently adsorbed and removed using an ion exchange method enabling the practice of adsorption. regene...
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JP2004244495A |
To provide a system for continually and stably forming natural gas hydrate.The system comprises a pressure vessel for forming the natural gas hydrate by reaction between natural gas and feedstock water, water pipings 30 functioning to ex...
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JP3560626B2 |
PURPOSE: To provide a process for the recovery of even an extremely small amount of valuable substance in a high efficiency at a low cost without lowering the activity and widely utilizable for the recovery of various natural and synthet...
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JP3561148B2 |
To isolate a quinaldine isomer having a substituent group at 7 position in a high purity and yield. This method for separating a quinaldine isomer comprises adding zinc chloride to reaction solution containing quinaldine isomers obtained...
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JP2004247363A |
To solve the problem that the performance is not enough in the organic semiconductor element using organic semiconductor material whose molecules arrangement is not complete, such as that on/off ratio is not enough.The vacuum around a su...
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JP2004244496A |
To provide a system for continually and stably forming natural gas hydrate and extracting it after solidified.A method for forming the natural gas hydrate is provided, comprising the steps of forming the natural gas hydrate by reaction b...
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JP2004243183A |
To provide a solvent extraction method for simply taking out an organic solvent to which a substance to be extracted is moved.This solvent extraction method includes a step 4 (S4) for stirring a water layer containing the substance to be...
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JP2004238421A |
To enable much more gas storage in a narrower space.A gas and water are reacted at a temperature higher than the freezing point under a pressure higher than atmospheric pressure to form a gas hydrate, and the formed gas hydrate is dehydr...
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JP3555997B2 |
PURPOSE: To provide a purification method in which a trace amount of copper can be stably removed from aqueous acrylamide solution prepared by the catalytic hydration of acrylonitrile for a long period of time. CONSTITUTION: An aqueous s...
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JP2004223451A |
To largely heighten industrial production efficiency and to obtain a target substance as a homogeneous crystal.The separating/refining apparatus 1 uses a separating/refining method for an organic compound for separating the organic compo...
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JP3553256B2 |
To economically separate and purify trioxane in a continuously operable way by subjecting an aqueous formaldehyde solution to separation and purification by using a specific solvent to diminish the amounts of diethylbenzene-modified prod...
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JP3553258B2 |
PURPOSE: To obtain a hydrogenation method by which aromatic hydrocarbons contained in a hydrocarbon oil containing sulfur compounds, nitrogen compounds, etc., are converted into saturated hydrocarbons. CONSTITUTION: The hydrogenation met...
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JP2004216331A |
To provide a method of and an apparatus for preventing solid adhesion to internal surfaces of condenser tubes and other pipes, which adhesion will otherwise be caused by crystalline solid substance mixed into a vapor in a process and an ...
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JP2004216206A |
To provide a method for facilitating the work of removing a viscous substance or liquid waste containing the viscous substance from a vessel or the like so that the removed viscous substance or liquid waste can be burned easily at a low ...
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JP3546360B2 |
To provide an organic solvent separating apparatus the structure of which is simplified for separating an organic solvent from water continuously and the operation efficiency of which is enhanced by simplifying the separating operation. ...
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JP3544985B2 |
There is disclosed a process for preventing the polymerization of a vinyl compound which comprises allowing a corrosion inhibitive substance selected from an alcohol, an inorganic acid or its salt, an aromatic carboxylic acid or its salt...
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JP2004197006A |
To provide a process and an apparatus for producing a hydrate which can improve the stability of the hydrate while restraining the ratio of ice to a minimum.The process for producing a gas hydrate composed of a nucleus part which a gas m...
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JP2004196935A |
To obtain a stable gas clathrate which does not dissociate even under relatively mild physical conditions, and its preparing method and apparatus.The gas clathrate is formed of a gas molecule as the guest molecule and a liquid molecule a...
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JP2004182885A |
To provide a method for producing a powdery gas-hydrate essentially free from adhered water and having dried powdery form and provide an apparatus for the production method.Natural gas (c) is blown into water (a) held in a 1st reaction t...
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