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JP5962323B2 |
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JP5945774B2 |
A method of producing urea includes reacting SiO2/Al2O3 or SiO2/Al2O3-containing material, with addition of a carbon source, with gaseous nitrogen at elevated temperature to produce silicon nitride (Si3N4)/aluminum nitride (AlN) or silic...
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JP5941142B2 |
Disclosed are 1,3-Dioxoindene derivatives of Formula 1, pharmaceutically acceptable salts thereof or enantiomers, a preparation method thereof, and a pharmaceutical composition for the prevention or treatment of viral diseases, comprisin...
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JP5934184B2 |
Tranylcypromine derivatives useful as therapeutic agents, particularly for the prevention and/or treatment of diseases and conditions associated with the activity of histone demethylases LSD1 and LSD2, such as the diseases characterized ...
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JP5934370B2 |
Disclosed is a method for urea finishing. A urea solution is subjected to crystallization and, other than in conventional processes, the urea crystals are shaped by exerting mechanical force onto them. Thus, the conventional prilling or ...
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JP2016094470A |
To reduce fuel consumption required for production of urea in order to reduce generation of greenhouse gases caused by burning fuel.The invention relates to a urea plant with a COand NHfeed, which comprises a purge line, characterized in...
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JP5923496B2 |
The invention relates to a urea plant with a CO2 and a NH3 feed, which comprises a purge line, characterized in that the purge line is connected with a fuel gas input line of a utility plant or an NH3 plant.
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JP2016064991A |
To provide a method for producing high-purity urea aqueous solution preferable for reducer for SCR by using urea aqueous solution produced in an urea synthesis process in a urea production plant.There is provided a method for producing h...
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JP2016047846A |
To provide a neprilysin inhibitor.In one aspect, the invention relates to compounds having the formula (I), where R, R, R, a, R, Rand Rare as defined in the application or pharmaceutically acceptable salts thereof. These compounds have a...
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JP5900920B2 |
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JP5870114B2 |
The present invention relates to compounds 1, 1a (S-enantiomer) and 1b (R-enantiomer) of the following formula 1, and a method for preparing the same. [formula 1] The novel compound of the formula 1 is used as an important intermediate f...
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JP5863979B2 |
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JP5828434B2 |
Vertical reactor for effecting gas-liquid biphasic reactions, comprising a plurality of perforated plates, superimposed and suitably spaced between each other along the vertical axis, wherein a dividing septum is positioned vertically in...
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JP5823582B2 |
Process for the production of urea-comprising particles, wherein the urea-comprising particles are produced in a pelletizer, comprising a feeding device, a belt and a device to remove the formed pellets from the belt, by feeding a urea-c...
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JP2015182965A |
To provide a method realizing high-yield production of an aromatic urea compound at relatively low temperature without using highly toxic compounds as ingredients and without corrosive or toxic gas by-products.A method of producing an ar...
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JP5790645B2 |
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JP5782331B2 |
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JP5753170B2 |
The present invention relates to a method for contemporaneously recovering ammonia and carbon dioxide from an aqueous solution thereof, possibly comprising their condensates, in a synthesis process of urea, characterized in that it compr...
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JP5753380B2 |
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JP5738433B2 |
An operation method of a urea production plant including multiple systems that can prevent a considerable decrease in urea production even when an ammonia synthesis facility is shut down. At a time of producing urea from CO2 and ammonia,...
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JP5715870B2 |
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JP5711350B1 |
To provide an economical method capable of simultaneously producing a substituted urea and a carbamate compound from an amine with a high yield and reusing an ionic liquid catalyst containing indium a plurality of times. Amine, carbon di...
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JP5710494B2 |
A process for the preparation of an allophanate of one or more identical or different isocyanates, compositions obtained by the process, and uses of the compositions are disclosed. The process comprises reacting an isocyanate with at lea...
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JP5701832B2 |
The present invention provides a method represented by Scheme 1: wherein X represents I, Br, Cl, alkylsulfonate, or arylsulfonate; Z represents optionally substituted aryl, heteroaryl or alkenyl; L represents hydrogen or a negative charg...
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JP5681985B2 |
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JP5671558B2 |
Methods and processes for preparation and production of deuterated É-diphenylurea are disclosed. Especially, a kind of deuterated É-diphenylurea compounds which can inhibit phosphokinase and the preparation method of N-(4-chloro-3-(tri...
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JP5667044B2 |
The present invention relates to substituted phenoxybenzamide compounds of general formula (I): in which R1, R2, R3, R4, R5, X, R6 and q are as defined in the claims, to methods of preparing said compounds, to pharmaceutical compositions...
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JP5662432B2 |
A device for evaporating a urea-water solution includes a delivery duct for the urea-water solution. The delivery duct extends through at least a first zone and a second zone for the introduction of heat energy. The zones can be heated s...
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JP5647790B2 |
The present invention relates to a process for producing an N-carbamoyl-tert-leucine, characterized in mixing tert-leucine with an isocyanic acid compound while a pH of the mixture is kept at not less than 8.0 and not more than 13.5, whe...
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JP5633980B2 |
This invention relates to a process for co-producing methanol and ammonia, wherein a syngas mixture consisting essentially of carbon monoxide (CO), carbon dioxide (CO2) and hydrogen (H2) is first partially reacted in a methanol once-thro...
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JP5599318B2 |
Allophanate-group-containing polyisocyanates based on isophorone diisocyanate, represented by formula (I) wherein Ra, k, m, (k +m), Y, Xi, n and Rb are as defined, and to their use.
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JP5597689B2 |
A compound comprising a substituent of the formula (II) is disclosed as an HIV protease inhibitor. Intermediates for making such compounds and processes for making such intermediates are also disclosed.
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JP2014169300A |
To provide a method for enhancing the capacity of a urea plant capable of enhancing the respective capacities of a high-pressure synthesis zone and a urea recovery zone alone.In the provided method for enhancing the production capacity o...
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JP2014159602A |
To provide a novel diacetylene monomer composition, a mixture and a crystal phase.A solid polymerizable diacetylene monomer composition (including a composition co-crystallized from various solvent systems under various cooling condition...
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JP2014521309A |
The present invention relates to a method of producing carbamoyl phosphate, the method comprising reacting ammonia, ATP, bicarbonate and CO2, or a hydrated form thereof, in a composition in the presence of a carbamate kinase, wherein the...
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JP5570529B2 |
The invention relates to novel O-dialkylamino-isoureas and polymerizable compositions comprising these O-dialkylamino-isoureas of compounds of the general formula (I). The invention further relates to the use of O-dialkylamino-isoureas a...
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JP5564497B2 |
There are provided a method for analyzing an aqueous ammonium carbamate solution whereby the composition of an unreacted-gas absorber outlet liquid can be specified in real time, and a method for operating an unreacted gas absorber by us...
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JP5542305B2 |
The present invention relates to a process for the preparation of colorless, storage-stable polyisocyanates containing biuret groups from di- or polyisocyanates using water and/or steam as a biuretizing agent, and an apparatus for this p...
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JP5536333B2 |
Production of solid particles (10) from a flowable starting material (SM) (2) comprises splitting SM (2) into droplets (9) and introducing the droplets along a trajectory (50) into a solidification liquid (SL) (11), in which the droplets...
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JP5518889B2 |
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JP5490133B2 |
An integrated process for the manufacture of olefins and intermediates for the production of ammonia and urea, comprising an FCC reactor, a regenerator, a steam reforming unit, an air-separation unit, an ammonia production unit and a ure...
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JP5474047B2 |
This invention relates to novel 4-dimethylaminobutyric acid derivatives of the formula wherein A1, A2, R1, m and n are as defined in the description and in the claims, as well as pharmaceutically acceptable salts thereof. These compounds...
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JP5462801B2 |
A high adhesive acrylate monomer has a specific chemistry figure. This monomer may be easily prepared in a simplified way, and various linkers may be used between L-DOPA and an acrylate group attached to a tail of L-DOPA, so molecular we...
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JP5438974B2 |
The invention relates to a process for the treatment of an aqueous mixture comprising a dipolar aprotic compound, comprising:a) an adsorption step, in which the aqueous mixture is brought into contact with a porous adsorbent, whereby the...
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JP2014031345A |
To provide a production method of high-purity urea water capable of lowering a biuret concentration by using urea produced inexpensively and by an inexpensive method.A production method of high-purity urea water in which a biuret concent...
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JP5419341B2 |
This invention relates to a novel liquid, storage-stable diphenylmethane diisocyanate which contains allophanate and reactive unsaturation. These novel storage-stable liquids comprise the reaction product of diphenylmethane diisocyanate ...
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JP5409948B1 |
Provided is a method of efficiently removing triuret from urea water, a method of producing urea water of high purity and a method of collecting triuret from aqueous solution. Thus, a method of producing urea water comprises a step of pr...
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JP2014015341A |
To provide a system for producing ammonia and methanol, which is capable of improving the production efficiency of ammonia and methanol while suppressing an increase in the production cost of both ammonia and methanol.A system 10 for pro...
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JP5378361B2 |
An enhanced process is described for the synthesis of urea from ammonia and carbon dioxide, at a high pressure and temperature, with the formation of ammonium carbamate as intermediate, which includes a high pressure synthesis section, c...
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JP5373771B2 |
The invention relates to a process for the synthesis of (Z)-3-[2-butoxy-3′-(3-heptyl-1-methylureido)biphenyl-4-yl]
-2-methoxyacrylic acid of formula (I): and also to the process for the synthesis of the reaction intermediates of genera...
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