| Document |
Document Title |
|
WO/1995/017960A1 |
The present invention concerns the field of catalytic hydrogenation of nitriles into amines and, especially dinitriles such as adiponitrile (ADN) into diamines such as diamine hexamethylene (DHM). In particular, a method is provided for ...
|
|
WO/1995/017959A1 |
The present invention concerns the catalytic reduction of nitriles into amines. In particular, it concerns a catalyst for hydrogenating nitriles into amines of the Raney nickel type doped by at least one element selected from groups IIB,...
|
|
WO/1995/018090A1 |
The invention concerns the field of the catalytic reduction of nitriles into amines using Raney catalysts doped by one or more metallic addition elements selected from group IVb of the periodic table. In particular, a method is provided ...
|
|
WO/1995/009166A1 |
A process for the preparation of the compound of formula (I) or a salt thereof which comprises reducing the compound of formula (II) or a salt thereof. The novel intermediate of formula (II) and processes for preparing it are also descri...
|
|
WO/1994/006557A1 |
A nickel/silica catalyst having a Ni/SiO2 molar ratio of 10 to 2.5, preferably 6 to 3, contains zinc in an amount of at least 500 ppm (based on the nickel) and maximally in a molar ratio Zn/SiO2 of 1. Additionally, the catalyst may compr...
|
|
WO/1993/003004A1 |
Amines such as methyl amine are reacted with materials such as reducing sugars in aqueous/hydroxy solvents such as water and/or methanol to prepare N-alkyl polyhydroxy amines. Accordingly, glucose is reacted with methyl amine and the res...
|
|
WO/1992/021650A1 |
Selective hydrogenation of aliphatic dinitriles to aminonitriles is achieved under low pressure with high yield preferably using a Raney nickel or Raney cobalt-containing catalyst.
|
|
WO/1992/017455A1 |
Sulfur-contaminated aromatic nitro compounds are hydrogenated in the presence of a chrominum-containing Raney cobalt catalyst to corresponding primary amino compounds which are useful as intermediates for photographic dye-forming coupler...
|
|
WO/1992/013840A1 |
A process for producing alpha-chlorinated aminomethylpyridines such as 6-chloro-3-aminomethylpyridine by the catalytic reduction of alpha-chlorinated cyanopyridines such as 6-chloro-3-cyanopyridine in the presence of a tertiary amine in ...
|
|
WO/1992/009559A1 |
A novel process for producing amino carboxylic acid salts useful as the starting material of agricultural chemicals and medicines, chelating agents, food additives, etc., which comprises oxidatively dehydrogenating amino alcohol in the p...
|
|
WO/1992/006949A1 |
A novel process for producing salts of amino carboxylic acids, which are useful as the starting material of agricultural chemicals and medicines, chelating agents, food additives and so forth. The process comprises oxidatively dehydrogen...
|
|
WO/1992/006069A1 |
Method for obtaining acetic acid derivatives, such as glycin, IDA and NTA by dehydrogenation of mono-, di- and triethanolamine, respectively, in the presence of a Copper-Raney catalyst. Such method includes a step consisting in regenerat...
|
|
WO/1991/007242A1 |
Coating with high-melting metals can be simplified by alloying high-melting metal with sufficient aluminum to make low-melting alloy that is applied, bonded in place, and then subjected to the leaching out of some or most of the aluminum...
|
|
WO/1990/014889A1 |
A catalyst for heterogenic catalyzation through reactions with a gaseous substance with a reduction or oxidation agent, also in a gaseous state. The catalyst comprises an alloy of a number of transition metals, whereby both the specific ...
|
|
WO/1990/009371A1 |
This invention relates to a process for producing long chain alkyl amines from polyolefins by reacting (a) a polyolefin having a molecular weight in the range of 330-2000 with ozone in the presence of a solvent, (b) reacting the ozonolys...
|
|
WO/1989/007096A1 |
Disclosed is an improved process for the preparation of haloaromatic amines by the catalytic hydrogenation of halonitroaromatic compounds in the presence of a chromium-containing Raney cobalt catalyst. The catalyst gives good hydrogenati...
|
|
WO/1989/003814A1 |
A process for producing neopentyl glycol is disclosed which comprises reacting isobutyraldehyde and formaldehyde in the presence of a trialkylamine catalyst to form a condensation reaction product comprising hydroxypivaldehyde, followed ...
|
|
WO/1989/000082A1 |
A method for the production of a catalyst suitable for the use in the synthesis of methanol obtained by reacting carbon monoxide, carbon dioxide or mixtures thereof, with hydrogen, in which an alloy containing 0 to 50 % zinc, 30 to 75 wt...
|
|
WO/1988/008416A1 |
Compounds of formula (I), in which Ar is substituted or unsubstituted phenyl, naphthyl, or thienyl; Z is oxygen, sulfur, or methylene; and Ar' is 2-methyl[1,1'-biphenyl]-3-yl, 3-phenoxy-phenyl, 4-fluoro-3-phenoxyphenyl, or 6-phenoxy-2-py...
|
|
WO/1984/000778A1 |
A method for the production of a mixture of mannitol and sorbitol having a mannitol to sorbitol ratio of at least 1.5 to 1.0. Glucose is enzymatically oxidized by a pyranose-2-oxidase enzyme to produce a solution of glucosone which is re...
|
|
WO/1981/002532A1 |
A process for preparing a catalyst of fine metal particles having a large specific surface area like platinum black, which comprises reducing a solution containing platinum ion and at least one metal ion or complex ion having a redox pot...
|
|
JP2024513860A |
A process for producing 4-hydroxybutyraldehyde will be described. This process involves reacting allyl alcohol with a mixture of carbon monoxide and hydrogen in the presence of methylcyclohexane as the reaction solvent and a catalyst sys...
|
|
JP2024510833A |
The present invention is a method for manufacturing cut metal bodies, comprising: preparing a metal body; subsequently applying a metal-containing powder; heat treating to form an alloy; and separating the alloyed metal body. , machining...
|
|
JP7426827B2 |
An acid-resistant alloy catalyst, comprising nickel, one or more rare earth element, tin, aluminum and molybdenum. The catalyst is cheap and stable, does not need a carrier, can be stably applied in industrial continuous production, and ...
|
|
JP2024001689A |
The present invention provides a technology that can suppress a temperature rise in a reactor with a simple configuration. [Solution] A mobile body that moves by electric power, and includes a stock solution container that prepares an aq...
|
|
JP2024001685A |
The present invention provides a technology that can suppress a temperature rise in a reactor with a simple configuration. [Solution] A mobile body that moves by electric power, and includes a stock solution container that prepares an aq...
|
|
JP2024001687A |
The present invention provides a technology that can improve the energy efficiency of a power generation system that generates hydrogen from an aqueous solution containing tetrahydroborate. [Solution] The power generation system is a pow...
|
|
JP7405828B2 |
A catalytic reactor for industrial-scale hydrogenation processes is described. The catalytic reactor contains a catalytic fixed bed that comprises a support structure and a catalyst. During operation of the reaction in the catalytic reac...
|
|
JP7353295B2 |
The invention relates to a multi-stage process for preparing 2,6-dialkylphenylacetic acids of the general formula (I) by reacting 2,6-dialkylbromobenzenes with (1) magnesium, (2) a formamide, (3) an acid, (4) hydrogenation of the benzald...
|
|
JP7335555B2 |
A production method for a cyclohexanedicarboxylic acid compound, having a step of obtaining a cyclohexanedicarboxylic acid compound or an aqueous ammonia solution of a cyclohexanedicarboxylic acid compound by bringing a phthalic acid com...
|
|
JP7317101B2 |
An integrated, co-product capable process is provided for producing taurine in particular with optionally one or both of monoethanolamine and diethanolamine from one or more sugars, comprising pyrolyzing one or more sugars to produce a c...
|
|
JP7284879B1 |
An object of the present invention is to provide a sponge cobalt catalyst having high catalytic activity even when used for a long period of time. A sponge cobalt catalyst composition comprising water, an oxoacid, and a sponge cobalt cat...
|
|
JP2023519667A |
The present invention is a process for preparing hexamethylenediamine by hydrogenating adiponitrile in the presence of a Raney nickel catalyst, said Raney nickel being modified by treatment with carbon monoxide or carbon dioxide in a liq...
|
|
JP2023519281A |
The present invention is a process for preparing hexamethylenediamine by hydrogenation of adiponitrile in the presence of a Raney nickel catalyst and a basic co-catalyst containing potassium hydroxide, wherein the basic co-catalyst is an...
|
|
JP7237845B2 |
The present invention discloses an inventive method for manufacturing a catalyst using alloy granules having a high-Ni content. The inventive method may include providing alloy granules comprising aluminum and nickel, and treating the al...
|
|
JP2023506663A |
A method of preparing a mixture comprising cyclohexanol and cyclohexanone comprising the step of hydrogenating cyclohexyl hydroperoxide in cyclohexane in the presence of a Raney nickel catalyst to obtain cyclohexanol and cyclohexanone.
|
|
JP2022551426A |
The present invention is a method of manufacturing a metal foam comprising the steps of (a) providing a metal foam A made from nickel, cobalt, copper, or alloys or combinations thereof; and (b) metal foam A. (c) heat-treating the metal f...
|
|
JP7122814B2 |
Suggested are 1,2-alkanediols of formula (I) HOCH2-CH(OH)-R1in which R1 stands for an alkyl radical having 3 to 10 carbon atoms, said diols being substantially free of lactones and/or peroxides.
|
|
JP2022107958A |
To provide a hydrogen production method using tetrahydroborate, capable of adjusting a hydrogen production rate.A hydrogen production method includes the steps of: reacting tetrahydroborate with an aqueous solution containing tetrahydrob...
|
|
JP2022107957A |
To provide a hydrogen production method that allows quicker production of hydrogen from tetrahydroborate.A hydrogen production method includes the step of reacting tetrahydroborate with an aqueous solution containing metal ions to produc...
|
|
JP7102336B2 |
A process is provided for making isoidide, wherein a dextrose feed is first converted by a combination of epimerizaton and hydrogenation to an iditol-enriched mixture of hexitols in the presence of hydrogen and in the further presence of...
|
|
JP7069134B2 |
The present invention relates to a process for preparing 1,4-butanediol (BDO) by hydrogenating 2-butyne-1,4-diol (BYD) or 4-hydroxybutanal (4-HBA) in the presence of a catalyst of the Raney type having a porous foam structure, wherein th...
|
|
JP7057552B1 |
To provide a method for producing a lead-containing catalyst, the lead-containing catalyst, and a method for producing biodiesel using the catalyst. Lead-containing blast furnace dust is polished by a ball mill and passed through a sieve...
|
|
JP2021533131A |
Improvements in the catalytic system and related processes for the conversion of glycolaldehyde to monoethanolamine are disclosed. The catalytic system exhibits improved selectivity for this desired product and, as a result, reduced sele...
|
|
JP2021155412A |
To provide a process in which a high cis: trans ratio cyclobutanediol skeleton compound can stably be obtained.By performing a catalytic hydrogenation reaction in a solid phase state in the presence of a metal catalyst without adding a s...
|
|
JP6844535B2 |
In the present invention, a sugar alcohol can be efficiently produced from a cellulose-containing biomass by carrying out a step (1) of filtering an aqueous sugar solution, which is obtained by hydrolysis of a cellulose-containing biomas...
|
|
JP6806290B1 |
The following steps: (1) First hydrogenation step (2) Reaction generation to obtain reaction product (A) by hydrogenating a mixed solution consisting of dicyanobenzene and a solvent containing liquid ammonia in a fixed bed reactor. Ammon...
|
|
JP6794356B2 |
A method for producing a compound represented by the formulawherein R1 is an optionally substituted hydrocarbon group or an optionally substituted heterocyclic group, and R2 is a hydrogen atom, an optionally substituted hydrocarbon group...
|
|
JP2020172454A |
To provide a method for producing a carbonyl compound, which, in a liquid-phase method using a sponge metal catalyst, shows a high conversion ratio of a raw material alcohol and enables production of a high-purity carbonyl compound.Provi...
|
|
JP2020090467A |
To provide a method in which a sugar raw material containing sugars up to trisaccharide by a predetermined amount or more is subjected to hydrogenation treatment to yield a sugar alcohol with high yield.Provided is a method for producing...
|
