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JP2007521242A |
Materials for making apparatus and a method of inhibiting polymerization during manufacture, purification, handling and storage of subject ethylenically unsaturated monomers are disclosed. In particular, copper or metals containing coppe...
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JPWO2005082823A1 |
An object of the present invention is to provide a new molecular compound capable of immobilizing a useful substance without restrictions on the size of the molecule, the type of functional group, or the like. A molecular compound consis...
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JP2007177233A |
To provide a process for production of a gas hydrate, in which, when the gas hydrate is depressurized and is then taken out under atmospheric pressure, decomposition of the gas hydrate is minimized.The process for production of a gas hyd...
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JP3943152B2 |
To obtain the subject more stabilized compound by adding a specific stabilizer into a system containing an isothiazolone-based compound useful as an industrial germicide, especially a latex preservative or a synthetic resin emulsion pres...
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JP3944251B2 |
PURPOSE: To purify an ester from a reaction system without causing the discoloration and saponification of the ester by adding a chelating agent to a reaction system esterified by using a titanium-group metal carboxylate catalyst and sep...
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JP3939798B2 |
To obtain the subject ester stably storable over a long period, absolutely free from the change of odor during storage, exhibiting physiologically chilling action on the skin and the mucous membrane of the body and useful for e.g. chewin...
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JP3935987B2 |
To provide a purification method simply obtaining highly pure menthol useful as a flavor for food, etc., having a clean strong refrigerant feeling, refreshing, clear flavor by contacting a specific crude menthol with super critical carbo...
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JP3935988B2 |
To obtain a modified mint oil useful as food and drink, medicine, etc., capable of easy preparation of desired flavor composition free from depleted material, unpleasant odor or unpleasant taste, flavor like a hogweed, resinous material,...
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JP3934168B2 |
To economically purify the subject compound because of no need of using any heating medium oil and of few process steps by adopting a specific process of recrystallization of bisphenol-A in its aqueous dispersion while suppressing the th...
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JP2007515448A |
Method of reducing the concentration of sulfur and/or a sulfur-containing compound in a biochemically prepared organic compound by bringing the respective organic compound into contact with an adsorbent. Ethanol which has a particular sp...
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JP3928189B2 |
To obtain the subject composition useful as a resin additive, etc., capable of providing a polyolefin-based resin composition, excellent in transparency and having a suppressed malodor at the time of molding processing and in the final m...
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JP3931233B2 |
To provide a method for producing gas hydrate in a good efficiency without using an expensive large scale device. This method for producing the gas hydrate is provided by generating ultra fine bubbles of the gas having ≤50 μm diameter...
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JP3928048B2 |
To provide an adsorbing/removing material which is obtained by using a natural resource as a base material, has highly functional recognizability on a molecular level, and selectively adsorbs various chemical substances, and from which t...
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JP2007137859A |
To provide a method for separating and refining a water-miscible organic solvent from a mixture of the water-miscible organic solvent and an oily component by few steps and in a short time.The method for obtaining the water-miscible orga...
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JP3924027B2 |
To obtain a high-purity crystallized sodium o-hydroxymandelate-phenol- water complex by reacting glyoxylic acid with phenol. This complex is expressed by the formula ((n) and (m) are each 0.8-1.2). The complex can be produced by reacting...
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JP3923699B2 |
To continuously produce an anhydrous organic compound dehydrated at a high level by heating and vaporizing a hydrous organic compound, supplying the vaporized compound to adsorption columns to adsorb the moisture content and sending the ...
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JP2007131566A |
To solve the problem associated with a conventional production method of a hydroquinone compound, i.e. a low yield that affects the unit price of a hydroquinone product and an industrial inefficiency due to a large amount of waste solven...
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JP3920939B2 |
To obtain a new crystalline cephem acid addition salt with long half- life in the blood and excellent medicinal sustainability, useful for the treatment of bacterial infectious diseases. This compound is shown by formula I [(n) is 1 or 2...
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JP3919659B2 |
An improved process for the production and purification of unsaturated monomers employing nitroxyl-containing inhibitors wherein process streams containing the inhibitor are recycled is disclosed, wherein the improvement comprises recycl...
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JP3916794B2 |
To provide a method for recovering a solvent, enabling the recycling of the solvent by a distillation treatment using a distillation tower manufactured from a general material such as stainless steel, wherein the solvent contains a chlor...
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JP3918182B2 |
To efficiently separate an inorganic component in an insulating oil without forming a tarry substance to obstruct a post-processing operation, by making an alkali metal, etc., in a specific insulating oil into an alkali metal hydroxide a...
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JP2007512232A |
The present invention relates to a process for purification of a compound using an activated carbon treatment. In the process according to the present invention several filter units containing activated carbon immobilized in a matrix are...
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JP3915198B2 |
To provide a method for producing an ionic compound, solving the low productivity of a conventional method for producing the ionic compound, especially a method for exchanging with a counterion, and efficiently producing the ionic compou...
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JP3913278B2 |
PURPOSE: To obtain a skin cosmetic excellent in skin chapping-remedying effect by formulation of a pH-stabilized α-hydroxyacid aqueous solution prepared by adding a base to an α-hydroxyacid aqueous solution followed by heat treatment. ...
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JP3908325B2 |
To provide a method for recording a sublimable substance by a relatively simple system to simply and efficiently exfoliate the deposited crystals. This method is to pass a gas containing a sublimable substance into a vertical recovery ve...
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JP3900237B2 |
To provide a method for simply controlling the evaporation of a fragrant, a medicine or the like at low cost to impart a controlled release property. This method for adjusting the evaporation rate of the aromatic compound, comprising the...
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JP3901832B2 |
To obtain the subject preparation having excellent bioabsorbability, excellent stability and low toxicity, useful for both immediate-type and delayed- type allergies and useful as an antiallergic agent by compounding a specific crystal a...
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JP3898053B2 |
A nitroaromatic compound is used to enhance the solubility of a nitroxyl compound in an aromatic hydrocarbon solvent.
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JP3891709B2 |
To economically purify on an industrial scale a transition metal compound useful as a reagent for organic synthetic reactions, a catalyst for e.g. olefin polymerization, or the like by crystallizing the transition metal compound from a s...
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JP2007504951A |
A method for Immobilizing acid or electrophilic compounds in a solvent involves contacting these compounds with a crosslinked polyimine in which the imino groups are unsubstituted NH groups, and then separating the resulting modified pol...
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JP2007055972A |
To provide a methanol-producing device which is used for producing methanol from a gas containing carbon dioxide and hydrogen as a raw material gas, can sufficiently enhance a methanol conversion rate over an equilibrium conversion rate ...
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JP3891033B2 |
To provide a high-efficiency method for producing a gas hydrate, in which water is reacted with a hydrate-forming gas in a reactor and formed gas hydrate is continuously and stably taken out. The method for continuously producing the gas...
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JP3891032B2 |
To provide a highly efficient method for producing a gas hydrate by which water is reacted with a hydrate-forming gas in a reaction vessel and the resultant gas hydrate can continuously and stably be taken out and to provide an apparatus...
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JP3889041B2 |
2-Cyanoacrylic esters (I) of alpha , omega -bis(4-hydroxy-2,2,6,6-tetramethylpiperid-1-yl)alkanes or (cyclo)aliphatic polyols of the given formula (I) are new. R<1>, R<2> = the radical of an iso- or heterocyclic ring system with at least...
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JP2007044592A |
To provide a sublimation/purification apparatus in which an organic material can be sublimated/purified in a short time.The sublimation/purification apparatus, which is used for sublimating/purifying the organic material, is characterize...
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JP3885249B2 |
To purify a highly purified glycidyl (meth)acrylate slightly containing epichlorohydrin and a by-produced chlorine compound, therefore having low chlorine concentration at a high yield, from a crude glycidyl (meth)acrylate obtained by us...
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JP3883221B2 |
To provide a method for easily and sufficiently removing acetaldehyde and efficiently separating methyliodide and water from a mixed solution consisting of acetaldehyde, methyliodide and water. This method for effectively separating and ...
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JP3879780B2 |
To simply purify glycidols useful as a raw material for glycidyl (meth) acrylate by subjecting glycidols to heat treatment in the presence of an antioxidant and cuprous chloride and decomposing a peroxide produced in glycidols. (A) Glyci...
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JP3880643B2 |
PURPOSE: To obtain a composition comprising an oxime compound and a hydroxylamine compound, excellent in polymerization-inhibiting ability, stability, safety, etc., and suitable for inhibiting the polymerization of styrene or the like. C...
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JP3879340B2 |
To enable the distillation of an oxystyrene derivative in a high recovery rate and not forming a polymeric material by distilling the oxystyrene derivative by adding a specific polymerization inhibitor. This method for distilling an oxys...
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JP3879775B2 |
To provide a method for distilling oxystyrene derivative with high recovery rate substantially without polymer formation and with excellent economy. When oxystyrene derivative is distilled, a nitroso compound and/or a nitro compound are ...
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JP3877144B2 |
To provide a method for producing an alicyclic epoxy compound exhibiting slight variation in hue reproducibility, uniformity, stability, etc., capable of giving LED with its emission light intensity being slight in decline with time, thu...
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JP3878414B2 |
This invention relates to a process for separating one or more products from a reaction product fluid comprising a metal-organophosphorus ligand complex catalyst, optionally free organophosphorus ligand, a nonpolar solvent and said one o...
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JP2007023197A |
To provide a method for producing a gas hydrate using natural snow as a raw material, which utilizes the characteristics of the crystal structures of the natural snow to enhance a gas hydrate-producing rate to improve production efficien...
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JP3874440B2 |
To advantageously collect by-products from tars produced in bisphenol- A production and tars produced in phenol production. The process is relating to processing of mixture of tars produced in phenol production and in bisphenol-A product...
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JP3862957B2 |
A novel apparatus and process for crystallizing submicron-sized crystals of a pharmaceutical composition. The submicron-sized crystals, which have an average size of less than 1 micron, provide high surface area end product crystals with...
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JP3863694B2 |
To provide a method for preventing the N-oxyl compound in vinyl compounds from reducing with the passage of time. The N-oxyl compound is characteristically stabilized in vinyl compounds by adding the N-oxyl compound together with N-hydro...
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JP2006528599A |
The invention relates to a process for the extractive removal of phenols, alcohols, amines, phoshines, hydroxylamines, hydrazines, oximes, imines, water, carboxylic acids, amino acids, hydroxamic acids, sulfinic acids, sulfonic acids, pe...
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JP3860852B2 |
To recover amines and amine salts by adsorption onto an adsorbent resin from a high ionic strength aqueous solution. (A) An aqueous solution having (i) high ionic strength corresponding to about 5-40 wt.% Nail concentration and containin...
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JP3858327B2 |
To provide a solvent-purifying device easy in operation, low in running cost and capable of surely removing basic substances such as ammonia contained in an organic solvent to pure the organic solvent in high purity. This solvent-purifyi...
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