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JP2003516379A |
The present invention is directed to a method for the prophylactic and therapeutic treatment of diabetic retinopathy. The method involves the administration of an inhibitor of formulae (I), (II) and (III) of the branch chain amino acid-d...
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JP2003119165A |
To provide a method for relaxing toxicity problem of an aldehyde presenting in waste material distribution, obtain a composition for the same and provide a device for the same.A neutralized aldehyde is formed by treating the aldehyde wit...
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JP2003095648A |
To provide a method for producing a high purity calcium fluoride usable as an optical member in the range of a vacuum ultraviolet wavelength and having an extremely small amount of metal impurity content, and also provide a method for pr...
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JP2003511439A |
A process for manufacturing acrylonitrile comprising reacting propylene, ammonia and oxygen in a reactor zone in the presence of a catalyst to produce a reactor effluent containing crude acrylonitrile, transferring the reactor effluent c...
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JP2003511040A5 |
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JP2003088753A |
To provide a redox reaction apparatus employing an electrode, especially a photocatalytic electrode, having a high utilization efficiency of energy of light rays with wavelength in a visible light region and a relatively high reduction p...
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JP3389363B2 |
PURPOSE: To obtain a new catalyst comprising a cobaltic salt and a ferric salt in a specific proportion, including acid components such as acetic acid, propionic acid, naphthenic acid, adipic acid, phthalic acid or the like of the salt, ...
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JP2003510170A |
Volatile compounds may be economically recovered from solids present in aqueous solution by subjecting the solution to rapid separation where the volatilization occurs in a flash, spray, or fluid bed, or mechanically agitated dryers. Rap...
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JP3387504B2 |
The invention discloses a method for purifying adipic acid in water. More precisely it discloses an improvement in adipic acid crystallization or recrystallization in water, characterised in that the said crystallization or recrystalliza...
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JP2003505441A |
(57) [Summary] In the present invention, crude dicarboxylic acid is dissolved at a sufficient temperature, whereby a part of the solvent evaporates to increase the concentration of dicarboxylic acid in the solution, and the solution is t...
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JP2003503375A |
The present invention relates to one-step oxidation process for preparation of cyclohexane to adipic acid, using molecular oxygen, in liquid phase, in the presence of catalyst, containing either cobalt or cobalt and iron. The catalyst is...
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JP3356304B2 |
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JP3357151B2 |
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JP2002542214A |
This invention relates to methods of replacing water and cyclohexanone with acetic acid in an aqueous solution of catalyst, preferably a cobalt compound. Such an aqueous solution is produced by extracting catalyst with water from a cyclo...
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JP3347568B2 |
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JP2002538082A |
An indium precursor composition having utility for incorporation of indium in a microelectronic device structure, e.g., as an indium-containing film on a device substrate by bubbler or liquid delivery MOCVD techniques, or as a dopant spe...
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JP2002537279A |
This invention relates to methods of extracting in solution a metal catalyst from a reaction mixture produced by oxidizing cyclohexane to adipic acid in the presence of acetic acid and the metal catalyst. According to this invention, sub...
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JP2002536350A |
This invention relates to methods of oxidizing hydrocarbons, such as cyclohexane, o-xylene, m-xylene, and p-xylene, to form a respective acid, such as adipic acid, phthalic acid, isophthalic acid, and terephthalic acid, for example, by i...
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JP2002296262A |
To provide a new buffer and a new buffer system having a volatile combustion product used in an analytical technique using an element specificity detector.This composition contains a cation salt of a weak acid, contains no metal atom or ...
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JP2002529548A |
Halofluorinated alkylene monomers are made by a method comprising the steps of: (a) subjecting a first polymer which is the reaction product of a fluorinated vinyl monomer and a vinyl comonomer to dehydrohalogenation to form a second pol...
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JP2002249450A |
To provide a method for oxidizing an organic substrate efficiently with good operability.A solution containing an N-hydroxy cyclic imide of higher concentration than its feed concentration is retained in a reaction system, when the organ...
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JP2002249451A |
To provide a method for producing various organic compounds containing oxygen with good productivity by oxidizing an organic substrate with oxygen efficiently at low cost.The organic substrate is oxidized by bringing it into contact with...
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JP2002524544A |
The present invention relates to a process for the crystallization of carboxylic acid, more particularly adipic acid, and a process for manufacturing crystalline carboxylic acid, more specifically a process for treating the reaction medi...
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JP2002524545A |
The present invention relates to an improved process for processing the reaction mixture from the direct oxidation of hydrocarbon into carboxylic acid, using molecular oxygen or a gas containing it, in the liquid phase, in a solvent and ...
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JP2002523419A |
(57) [Summary] A chiral phosphine ligand derived from chiral natural products, including D-mannitol and tartaric acid. The ligand contains one or more 5-membered phosphorane rings with multiple chiral centers and provides high stereosele...
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JP2002524015A |
An improved process is disclosed to prepare an amino carboxylic acid salt. According to the process, an aqueous solution of an amino alcohol is contacted with an alkali metal hydroxide in the presence of an effective amount of a Raney co...
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JP2002201147A |
To provide a method for oxidizing an organic compound, capable of oxidizing the organic compound having an olefinic carbon-carbon double bond in an industrially advantageous manner.This method for oxidizing the organic compound comprises...
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JP2002193855A |
To provide a method for efficiently oxidizing an organic substrate with oxygen under such a condition that the decomposition of the imide compound is inhibited.This method for oxidizing an organic substrate comprises contacting the organ...
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JP2002519399A |
An aliphatic diacid and nitrous oxide are produced by the following methods: the aliphatic dibasic acid is produced by oxidation of an hydrolylated aromatic compound with nitrous oxide to form the aliphatic dibasic acid and the nitrous o...
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JP2002519401A |
This invention relates to methods of controlling the oxidation of cyclohexane to adipic acid in the presence of a monobasic acid solvent, by extracting the catalyst from the reaction mixture, outside the reaction zone. Substantially all ...
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JP2002519400A |
This invention relates to methods of controlling the oxidation of cyclohexane to adipic acid in the presence of a monobasic acid solvent, by extracting the catalyst from the reaction mixture, outside the reaction zone. Substantially all ...
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JP2002179612A |
To provide a method for industrially advantageously producing a 2,3-dibromosuccinic acid compound in high yield under mild conditions.This method is characterized by comprising brominating a 2-butene-1,4-dicarboxylic acid of formula (I) ...
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JP2002161069A |
To provide an organic copper compound which is hardly decomposed in a stored state, before formed into a film, has a long life, gives a high film- forming speed, can efficiently be decomposed on a substrate, has a high evaporation proper...
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JP2002515473A |
This invention relates to methods of controlling the oxidation of hydrocarbons to respective intermediate oxidation products, e.g., dibasic acids, by adjusting the bulk temperature of the liquid mixture under oxidation by a cooling eleme...
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JP2002515041A |
This invention relates to monitors used in the oxidation of hydrocarbons to respective acids, which monitors are capable to detect formation of a second liquid phase in the reaction mixture. The reactions are conducted in a single liquid...
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JP2002515017A |
Methods and devices for making intermediate oxidation products by atomizing a first liquid containing a reactant into a gas containing an oxidant in a manner to form an intermediate oxidation product different than carbon monoxide and/or...
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JP2002128760A |
To provide a method for efficiently separating an N-hydroxy cyclic imide and a carboxylic acid contained in a solid mixture.A solid mixture containing the N-hydroxy cyclic imide and carboxylic acid is mixed with water and then separated ...
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JP3263401B2 |
The invention discloses a method for purifying adipic acid by crystallization or recrystallization in at least one carbolyxic acid. More precisely, it discloses an improvement in adipic acid crystallization or recrystallization, characte...
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JP2002505310A |
Disclosed is a cost-effective method for purifying and acidifying carboxylic acids, including organic acids and amino acids. The method involves removing impurities by allowing the anionic form of the carboxylic acid to bind to an anion ...
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JP3259030B2 |
To obtain a tertiary (di)carboxylic acid in high yield and selectivity without using a strong acid solution and without being accompanied by such problems as corrosion, etc., of facility by reacting CO with an olefin, an alcohol or a die...
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JP2002047241A |
To provide a method for producing a high-purity and colorless branched glutaric acid in high yield.This method for producing a branched glutaric acid of the general formula (II) is characterized by comprising a process of reacting the co...
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JP2002037762A |
To provide a method for producing a malonate derivate or a β- ketoester by carbonylating an epoxide derivative to prepare a β- hydroxyketoester and then oxidizing.This method for producing the β-hydroxyketoester includes following ste...
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JP2002503715A |
This invention relates to methods for controlling the oxidation of hydrocarbons to dibasic acids, in the presence of a catalyst and a monobasic acid, by removing the catalyst from the reaction mixture, outside the oxidation zone, after t...
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JP2002503768A |
A modified PbZrTiO3 perovskite crystal material thin film, wherein the PbZrTiO3 perovskite crystal material includes crystal lattice A-sites and B-sites at least one of which is modified by the presence of a substituent selected from the...
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JP2002502837A |
This invention relates to methods and reactor devices for controlling the oxidation of hydrocarbons to dibasic acids, in the presence of a cobalt catalyst and a monobasic acid, such as acetic acid, by treating the catalyst from the react...
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JP2002030027A |
To provide a method for producing adipic acid by oxidizing cyclohexanol, cyclohexanone and cyclohexane at an industrially operable rate.A raw material mixture comprising 2-65 wt.% of cyclohexanone in cyclohexanol and/or cyclohexane is ox...
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JP3245450B2 |
PURPOSE: To provide an economically excellent method for producing adipic acid by using 1,-2-dihydroxycyclohexane as a raw material. CONSTITUTION: In oxidizing 1,2-dihydroxycyclohexane in an aqueous solution of nitric acid containing a d...
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JP2002501036A |
This invention relates to methods and reactor devices for controlling the oxidation of hydrocarbons to dibasic acids, in the presence of a catalyst and a monobasic acid, by removing the catalyst from the reaction mixture, outside the oxi...
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JP3247389B2 |
The invention discloses pentenoic acid hydroxycarbonylation into adipic acid. More particularly, it concerns one pentenoic acid hydroxycarbonylation method involving reaction water and carbon monoxide, in the presence of a catalyst compr...
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JP3243628B2 |
PURPOSE: To obtain butane tetracarboxylic acid, etc., efficiently in high yield useful as a raw material of a polyester, etc., under suppressing the generation of a reaction by-product. CONSTITUTION: This compound expressed by formula II...
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