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JP4446029B2 |
The present invention provides a method by which a highly active catalyst for the steam reforming of methanol is efficiently produced by a simple process. The catalyst is produced from alloy fine particles obtained by first grinding an A...
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JP4441594B2 |
[Object] To provide a copper-based catalyst having high activity and superior heat resistance and durability and to provide a manufacturing method of the above catalyst which can be performed at a low cost by a process that is improved a...
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JP4422286B2 |
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JP4397495B2 |
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JP2009299144A |
To provide a method for producing a micropore nickel porous body; to provide a micropore nickel porous body; and to provide a member product thereof.Disclosed is a method for producing a micropore nickel porous body where a starting allo...
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JP4386662B2 |
To solve problems in terms of heat resistance and durability since catalytic reaction is caused at a high temperature in many cases, particularly in the case of steam reforming reaction of methanol and problems in terms of the cost in th...
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JP4372249B2 |
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JP4370028B2 |
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JP2009540219A |
Improved alcohol reforming processes and reformed alcohol power systems utilizing those processes are disclosed. In preferred embodiments, the alcohol reforming processes utilize a thermally conductive reforming catalyst that allows effi...
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JP4342203B2 |
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JP4341129B2 |
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JP4323310B2 |
The present invention relates to the hemihydrogenation of dinitriles to corresponding aminonitriles.
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JP4320062B2 |
A shaped, activated metal, fixed-bed catalyst with a pore volume of 0.05 to 1 ml/g and an outer activated layer consisting of a sintered, finely-divided, catalyst alloy and optionally promoters. The catalyst alloy has metallurgical phase...
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JP4319748B2 |
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JP2009529419A |
Catalysts which are prepared by reducing catalyst precursors which comprise a) cobalt and b) one or more elements of the alkali metal group, of the alkaline earth metal group, of the group consisting of the rare earths or zinc or mixture...
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JP4303124B2 |
A process for the hydrogenation of compounds comprising nitrile or nitro functional groups to amine, aminonitrile or aminonitro compounds is provided. The process can be a continuous process conducted in the presence of a heterogeneous h...
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JP4296739B2 |
A process for producing a both end-hydroxyl group-terminated diol, wherein an epoxy alcohol represented by the general formula (1) is subjected to a hydrogenolysis reaction in the presence of a catalyst for producing both end-hydroxyl gr...
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JP4298064B2 |
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JP4294939B2 |
Catalytically active layer comprises a metallic component containing platinum, rhodium and/or palladium as precious metal and non-noble metal. A part of the original non-noble metal is replaced by hollow spaces in the metallic component....
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JP4291483B2 |
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JP4288299B2 |
Benzamidine derivatives of formula (I), and their salts, are new: A =O(2-4C alkylene)O or (1-3C alkylene)O; R1 = 1-6C alkyl or halo; R2 = H, 1-6C alkyl or halo; R3, R4 = H, 1-6C alkyl, 1-6C alkoxy, OH, CF3; or R3+R4 = part of a condensed...
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JP2009519292A |
A process for hydrogenating oligonitriles which have at least two nitrile groups in the presence of a catalyst which, before commencement of the hydrogenation, is pretreated by contacting with a compound A which is selected from alkali m...
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JP4214322B2 |
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JP4187828B2 |
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JP4162435B2 |
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JP4150427B2 |
Benzamidine derivatives of formula (I), and their salts, are new: A =O(2-4C alkylene)O or (1-3C alkylene)O; R1 = 1-6C alkyl or halo; R2 = H, 1-6C alkyl or halo; R3, R4 = H, 1-6C alkyl, 1-6C alkoxy, OH, CF3; or R3+R4 = part of a condensed...
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JP4145387B2 |
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JP4126729B2 |
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JP4106078B2 |
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JP2008519677A |
Process for modifying catalysts via the deposition of carbon containing residues in the presence of one or more solvents, where the gas phase over the catalyst treatment solution during the treatment is air or an inert gas, and/or the li...
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JP4086861B2 |
The inventors have discovered catalyst ignition promoters comprising one or more activated metals. The catalyst ignition promoters are easily prepared from a number of metal sources, including spent catalysts, are activated quickly and p...
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JP2008514423A |
The invention provides a method to extend the utilization of a catalyst in a multistage reaction system, provided that a primary reaction and a secondary (or more) catalyst-poisoning reaction occur on the same catalyst, and the rate of t...
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JP4045604B2 |
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JP2007324120A |
To provide a porous nickel film forming method 10. The method 10 is a step 12 melting and atomizing two consumable electrode wires containing selected components to form a melted atomized material, and depositing a film on a substrate by...
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JP3997054B2 |
A carbonyl compound or a mixture of two or more carbonyl compounds is catalytically hydrogenated in the presence of a Raney copper catalyst in the form of nuggets.
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JP3995719B2 |
A process for preparing 1,4-butanediol by continuous catalytic hydrogenation of 1,4-butynediol comprises reacting 1,4-butynediol with hydrogen in the liquid continuous phase in the presence of a heterogeneous hydrogenation catalyst at fr...
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JP3981892B2 |
A process for the preparation of an aqueous medium of nicotinaldehyde by the catalytic reduction of 3-cyanopyridine under hydrogen in the presence of Raney-nickel.
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JP3965641B2 |
To provide a method for jointly producing the D-mannitol and D- sorbitol by using a hydrolysis reaction solution specifying the hydrolysis rate of sucrose, capable of obtaining the sugar alcohols in a good yield in simple processes at a ...
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JP3963839B2 |
The present invention is directed to a method of desulfurization of a sulfur laden hydrocarbon liquid that comprises contacting the liquid with a sponge nickel metal alloy, removing the sulfur free liquid, regeneration of the alloy by co...
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JP3946789B2 |
To obtain the subject compound in a high purity and in a good yield, including a new compound useful as a raw material of an insecticide by performing a catalytic hydrogenation of an α-hydroxy ketoxime in a specific method. This method ...
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JP2007176952A |
To provide 2-amino-2-arylehanols and novel intermediates.In a process for preparation of the 2-amino-2-arylethanols, a compound of formula (II)(wherein Ar is an unsubstituted or substituted aryl) is catalytically hydrogenated using Raney...
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JP3937275B2 |
To simply and inexpensively obtain trifluoromethylbenzyl amines which are aromatic primary amines having trifluoromethyl group by hydrogenating specific benzonitrile compounds in the presence of ammonia and a Raney catalyst in an organic...
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JP3930194B2 |
To simply obtain alkycyclohexanol-alkylene oxide adducts having narrow alkylene oxide adduct distribution and high purity, useful for surfactants, in high efficiency by carrying out a reaction of an alkylphenol with an alkylene oxide. Th...
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JP3930207B2 |
To provide a method for producing a norbornanedimethyleneamine by hydrogenating a norbornanedicarbonitrile compound, by which the norbornanedimethyleneamine can profitably be produced and by which the life of a catalyst to be used for th...
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JP3930922B2 |
To dehalogenate an arylalkylamine enantiomer while keeping the optical activity on the C atom having amino group. An enantiomer having one optical center on the C atom labeled with * and expressed by formula I ((m) is 1, 2 or 3; (n) is 0...
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JP3920524B2 |
To produce high purity bistrifluoromethylbenzyl amines as isolated amines in a simple method by catalytically hydrogenating specific compounds in the presence of Raney cobalt and an aliphatic ether. The subject compounds, for example the...
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JP3908803B2 |
To provide a method for producing acrylamide by the catalytic hydration reaction of acrylonitrile with water in the presence of a copper catalyst, capable of producing the high grade acrylamide enabling to produce polymers sufficiently h...
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JP3892503B2 |
To efficiently racemize an optically active amine by treating a specific amine compound with a catalytic reduction catalyst. (A) An optically active amine of the formula [R1 is a (substituted) aryl or a (substituted) heterocyclic group; ...
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JP3890452B2 |
To obtain the subject compound useful as an important intermediate for medicines, etc., in high yield with suppressing formation of by-products, by using a manganese-containing Raney catalyst in reducing a cyanopyridine compound with hyd...
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JP3890535B2 |
PURPOSE: To obtain a novel 2-chloro-5-aminomethylpyridine derivative which is useful as a raw material for synthesizing 2-chloro-5-aminomethylpyridine, which is an intermediate for medicines or agrochemicals, particularly an intermediate...
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