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JP3730860B2 |
To provide an electrolyte, an electrolytic solution or a solid electrolyte showing an excellent cycle characteristic, for use with an electrochemical device such as a lithium battery, a lithium ion battery, or an electric double-layer ca...
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JP2005537260A |
A process for the preparation of a dicarboxylic acid of the formula (I) -H-OOC-(n-C4Hx)-COO-H (I) where x is 6 or 8, starting from acrylic acid, which comprises a) reacting a dicarboxylic acid diester of the formula (II) R1-OOC-(n-C4Hx)-...
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JP2005531587A |
The invention relates to novel asymmetrical, chiral hydroxy diphosphines and to derivatives of general formula (I), in addition to their use as catalysts, in particular for enantioselective syntheses.
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JP2005281175A |
To provide a method of manufacturing a polycarboxylic acid superior in purity and hue, which does not require to go through a decoloring proccess using much decoloring agent and a plurality of crystallization processes, and is not accomp...
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JP2005529958A |
A tumor-inhibiting platinum (II) oxalate complex and its use as a therapeutic agent are provided, in particular as a tumor-inhibiting medicament. The complex may be compounds of the general formula (I), wherein the substituents R1, R1', ...
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JP2005263698A |
To efficiently produce succinic acid from ammonium succinate.A step of adding a monocarboxylic acid to the ammonium succinate and producing and depositing succinic acid is carried out in the coexistence of an alcohol in a plurality of st...
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JP2005526856A |
A process of the preparation of a N,N-diamino amino acid-beta-hydroxy-succinic acid as a N,N-diacid salt (I) is described. The process involves reacting epoxy succinic acid with an amino acid having two amino groups as an N-acid salt. Th...
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JP2005232126A |
To provide a method for producing 4-carboxy-1,8-octanedioic acid having good hue in high yield from 1,3,6-hexanetricarbonitrile obtained by the distillation refining of adiponitrile in a process to produce adiponitrile by the electrolyti...
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JP2005194211A |
To provide a method for purifying a high-purity long-chain dibasic acid from a substance containing a long-chain dibasic acid by a simple operation.The method for purifying a long-chain dibasic acid comprises evaporating a long-chain dib...
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JP2005187368A |
To provide a method for producing a carboxylic acid chloride from a carboxylic acid in an excellent yield.The method for producing a carboxylic acid chloride comprises reacting a carboxylic acid or its salt with a chlorinating agent such...
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JP3671262B2 |
To prevent deposition as a crystal even at a low temperature and to prevent deterioration of electric conductivity even at a high temperature by using a dibasic acid denoted by a particular formula and/or a salt thereof as a solute. A di...
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JP2005151984A |
To produce an organic acid salt having high purity without containing saccharides.A method for producing the organic acid salt comprises heating a mixture of the organic acid salt and the saccharides, contacting the heated mixture with a...
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JP2005139156A |
To obtain monoammonium succinate from an aqueous solution of diammonium succinate in high yield.Monoammonium succinate is crystallized from an aqueous solution of diammonium succinate by adding acetic acid to the solution to adjust the p...
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JP2005139137A |
To provide a method for efficiently producing an organic acid from an ammonium salt of the organic acid.The organic acid is obtained by subjecting the ammonium salt of the organic acid to multistep reactive crystallization by using a mon...
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JP3644842B2 |
To efficiently produce valuable sources comprising org. acids such as lactic acid, fatty acids, amino acids, EPA and DHA by treating organic wastes such as marine products such as fish waste and marine processed products with supercritic...
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JP2005082565A |
To provide a method for producing a carboxylic acid, capable of reducing the generation of by-products and environment-polluting substances in the production of the carboxylic acid, and a method for cleaving the bond of a carbonyl compou...
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JP2005082498A |
To provide a crystallizing method of a succinic acid crystal useful as food additives, plating chemicals, photograph developing agents, pharmaceutical raw materials, resin raw materials or the like which permits control of the particle s...
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JP3633614B2 |
PCT No. PCT/EP93/01894 Sec. 371 Date Jan. 25, 1995 Sec. 102(e) Date Jan. 25, 1995 PCT Filed Jul. 17, 1993 PCT Pub. No. WO94/02128 PCT Pub. Date Feb. 3, 1994Compounds of alpha , omega -dicarboxylic acids of the formula I (I) in which X an...
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JP2005506360A |
A method for the production of polycarboxylic acids is provided via the present invention. The novel method herein comprises the steps of i) mixing a phosphorous containing reducing agent with at least one carboxylic acid monomer to form...
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JP3621092B2 |
An improvement in the oxidation catalyst used for the partial oxidation of n-butane and containing vanadium and phosphorus, zinc, lithium and molybdenum mixed oxides which comprises carrying out the crystallization step under static cond...
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JP2005503408A |
The present invention relates to a process for the manufacture of adipic acid crystals and to the crystals obtained. It relates more specifically to a process for the treatment of the adipic acid crystals obtained at the end of crystalli...
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JP3608149B2 |
This invention relates to novel carboxylic acid derivatives represented by the following formula I and their synthesis: wherein, R1 is an hydrogen atom, an alkyl group or an alkoxy group of 1 to 20 carbon atoms in a linear, branched or c...
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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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JP3595004B2 |
PURPOSE: To obtain an expellent, enhancing the exterminating effects, enabling the extermination in a short time without damaging laver and manifesting effects of even dilute acids equal to those of concentrated acids and preventing the ...
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JP2004323738A |
To enhance various characteristics of a polycarbonate resin composition such as strength, stiffness, heat distortion temperature and thermal expansion coefficient, etc.A carboxyl group is formed on the surface of a carbon nanotube by tre...
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JP2004290948A |
To provide a method capable of easily oxidizing hydrocarbons, hetero element-containing compounds and alcohols at low temperature.In the method for oxidizing hydrocarbons, hetero element-containing compounds and alcohols in the presence ...
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JP2004277356A |
To provide a method for producing an aliphatic carboxylic acid compound from a corresponding aliphatic nitrile compound in a high yield without requiring a separation operation of a catalyst, by using a simple and industrial treating ope...
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JP2004525093A |
C4-dicarboxylic acids or derivatives thereof are hydrogenated in the gas phase in a fluidized-bed reactor. It is possible to use catalyst compositions known per se.
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JP2004203837A |
To provide a method for producing a diamine dicarboxylic acid salt by separating the salt from an aqueous solution of the diamine dicarboxylic acid salt containing amino acids.The diamine dicarboxylic acid salt is crystallized from an or...
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JP2004515537A |
Disclosed in a process for making (1) a compound of the formula NC-CH2-CH2-CH2-CH2-CO2R', wherein R' is H or C1 to C12 alkyl, or (2) adipic acid or (3) dimethyl adipate, using as the substrate, 3-pentenenitrile, (2) 3-pentenoic acid or m...
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JP2004513972A |
The present invention relates to an oxidation reaction catalyzed by a reaction controlled phase-transfer catalyst having the general formula of [R1R2R3R4N]xHy[A] or QmMO3(L). The catalysts themselves are not soluble in the reaction mediu...
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JP2004131724A |
To provide an electrorheological fluid with high yield stress.The electrorheological fluid comprises particles of a composite material suspended in an electrically insulating hydrophobic liquid. The composite particles are metal salts of...
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JP2004107248A |
To provide a new α,β-unsaturated dicarboxy compound polymer having excellent biodegradability together with an excellent cleansing performance and an excellent chelating performance, to provide a method for producing the same and to pr...
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JP2004509968A |
Disclosed are substantially enantiomerically pure bis-phosphine compounds comprising a substantially enantiomerically pure chiral backbone linking two phosphine residues wherein one of the phosphine residues has three phosphorus-carbon b...
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JP2004506705A |
A supported gold catalyst is used for selective oxidation. In particular, an alcohol or ketone is oxidized to produce the corresponding carboxylic acid, an alcohol is oxidized to produce the corresponding ketone, and xylene is oxidized t...
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JP2004505126A |
Polymeric materials are recycled by transformation to useful chemicals by oxidization in the liquid phase using acetic acid as a solvent and a metal bromide catalyst.
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JP3493101B2 |
To provide solder powder to suppress generation of a solder ball, its production method and a solder paste with using the solder powder by suppressing surface oxidation of the solder powder to suppress generation of the solder ball in a ...
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JP2003340246A |
To provide a method for efficiently manufacturing an aliphatic tricarboxylic acid at a high yield by an electrodialysis process. This method for manufacturing the aliphatic tricarboxylic acid is characterized in that a water solution (A)...
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JP2003533500A |
Aliphatic carboxylic acids of formulae (Ib) R1-COOH(Ia) and R2-COOH wherein R1 is tertiary C4-20-alkyl and R2 together are -(CH2)n- with n=3 to 10, are produced by oxidizing an aliphatic or alicyclic ketone of the formula (II): wherein R...
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JP2003533442A |
The invention concerns a water soluble compound of formula (a) wherein: A represents naphthyl or phenyl; and Ar1 and Ar2 independently represent a saturated or aromatic carbocyclic group; Xa, Xb are independently selected among an amino ...
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JP2003306465A |
To provide a method for working up residues in producing a 8-16C carboxylic acid.The method comprises isolating degradation acids of low oxidizing agent content and low metal content formed in producing a carboxylic acid, in particular t...
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JP2003277314A |
To provide a method for producing a dicarboxylic acid, capable of simply and effectively producing the dicarboxylic acid having carboxylic groups at both the ends, such as adipic acid, at a low cost.This method for producing the dicarbox...
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JP2003528868A |
Alcohols are catalytically oxidized to aldehydes, in particular to benzaldehyde and diformylfuran, which are useful as intermediates for a multiplicity of purposes. The invention also relates to the polymerization of the dialdehyde and t...
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JP2003525261A |
The invention relates to a method for producing chlorocarboxylic acid chlorides of formula (I), wherein R<1> and R<2>, independently from one another, mean a hydrogen atom, an organic radical containing carbon, a halogen, a nitro or cyan...
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JP2003221359A |
To separate and remove an imide group compound or it's decomposition products efficiently when a dicarboxylic acid corresponding to a cycloalkane is obtained from a reaction mixture obtained by oxidizing the cycloalkane using oxygen in t...
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JP2003212819A |
To provide a method of efficiently and simply producing oxalyl fluoride by reaction of oxalyl chloride with an alkali metal fluoride in an aprotic solvent.After or as a mixture of an alkali metal fluoride and an aprotic solvent is treate...
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JP2003210993A |
To oxidize various hydrocarbons under a mild condition by molecular oxygen using an oxidation catalyst because the oxidation catalyst is easily separated after use and can be reused and to manufacture epoxides, alcohols, ketones or carbo...
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JP2003192631A |
To provide a method for producing high-purity 1,3,6- hexanetricarboxylic acid with a low hue and excellent thermal stability, obtained from 1,3,6-tricyanohexane by an electrolytic reducing reaction of acrylonitrile according to simple an...
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JP2003192630A |
To provide a method for producing 1,3,6-hexanetricarboxylic acid and/or its salt with reduced discoloration from 1,3,6-tricyanohexane obtained by an electrolytic reducing reaction of acrylonitrile according to simple and industrial treat...
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JP2003183222A |
To provide a method of producing a fluorine-containing dicarbonyl compound with economical advantage by reducing the loss in the fluorination step with increased space efficiency, simplifying the separation operation with easy reaction o...
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