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JP2023550412A |
The present disclosure relates to the synthesis of prostate-specific membrane antigen (PSMA) ligands useful in the treatment of diseases such as cancer. In particular, the present disclosure relates to methods for synthesizing PSMA ligan...
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JP2023164361A |
To provide: ionizable lipid compounds or pharmaceutically acceptable salts, isotopic variants, tautomers or stereoisomers thereof; nanoparticle pharmaceutical compositions comprising the compounds; and application of the compounds and th...
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JP7364841B2 |
The purpose of the present invention is to provide methods for producing a carboxamide compound, a sulfonamide compound, and an ester compound using an acid halide. The methods for producing a carboxamide compound, a sulfonamide compound...
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JP7357394B2 |
The present invention is directed to processes for producing isocyanates and isocyanate derivatives from epoxide and carbon monoxide reagents. In preferred embodiments, the processes include a step for providing carbonylation of an epoxi...
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JP2023541942A |
Reverse flow reactor (or another reactor with flow in opposite directions (or counterflow) during various parts of the process cycle) as part of a reaction system for producing ammonia and/or urea Provided are systems and methods for usi...
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JP7353163B2 |
An ammonia derivative production plant includes: an electrolyzer for electrolyzing water; an ammonia synthesis system for synthesizing ammonia from hydrogen produced by the electrolyzer and nitrogen; a carbon dioxide generation system fo...
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JP2023111315A |
To provide a novel urea production method that is performed at low cost and environmentally friendly.A method for producing urea includes causing a reaction to occur among carbon monoxide, ammonia, and sulfur in water, preferably with a ...
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JP2023108791A |
To provide an urea synthesis method capable of reducing energy and running cost necessary for synthesis of urea.In an urea synthesis method characterized by contacting an urea synthesis liquid generated in an urea synthesis tower A with ...
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JP2023101031A |
To provide a method for producing O-methylisourea sulfate, which is important as an intermediate for pharmaceuticals, agricultural chemicals, and industrial chemicals, by a simple operation.Provided is a method for producing O-methylisou...
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JP7311715B2 |
A urea production process which includes and a synthesis section, a recovery section and evaporation section and a finishing section wherein the evaporation section includes a first evaporator and downstream thereof a second evaporator f...
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JP7296015B2 |
A urea production process comprising concentrating a first urea solution in a first vacuum evaporator in an evaporation section to give a urea melt and a first vapor, and condensing the first vapor in a first condensation section, wherei...
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JP2023525767A |
The present disclosure provides methods and apparatus for scale-up production of lomustine via continuous-flow manufacturing. Such continuous flow processes may optionally include crystallization of lomustine and the apparatus may option...
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JP7279020B2 |
[Solution] In a urea manufacturing plant, a method for manufacturing urea from manufacturing raw materials including NH3 and CO2, wherein the urea manufacturing plant includes a plurality of processing units including a reactor, a stripp...
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JP7277672B2 |
Disclosed is a method for the removal of ammonia from the off-gas of a finishing section of a urea production plant. Also disclosed is a corresponding urea plant, and a method of accordingly modifying a pre-existing urea plant. In a scru...
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JP7267273B2 |
An apparatus for treatment of process vapours coming from a vacuum concentration section of a urea plant, comprising a vacuum system having a plurality of successive condensation stages, connected in series by respective line portions an...
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JP2023515192A |
In the present invention, methanol and ammonia are co-produced, the ammonia is reacted with carbon dioxide recovered from the exhaust gas of the primary reformer, and at least part of the ammonia is produced together with the carbon diox...
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JP2023514990A |
A process for synthesizing urea from ammonia and carbon dioxide, wherein the synthesis of urea is carried out by a stripping process in a synthesis loop comprising at least a reactor (1), a stripper (2) and a condenser (3); The effluent ...
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JP7252365B2 |
In a urea synthesis process, temperature distribution in a submerged condenser is reduced. The process includes: synthesizing urea from NH3 and CO2 to generate a urea synthesis solution; by heating the solution, decomposing ammonium carb...
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JP2023041047A |
To provide a novel urea (meth)acrylate, a binder composition which includes at least one repeating unit derived from the urea (meth)acrylate, production of them, and use of them in adhesive and coating applications.The urea (meth)acrylat...
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JP2023041046A |
To provide the one-pot synthesis of polymerizable and acyclic urea (meth)acrylates, preferably mono(meth)acrylates, via in-situ synthesis of urea alcohols or amines followed by direct reaction with a (meth)acrylate reactive diluent.The u...
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JP2023026190A |
To provide a catalyst for efficiently advancing oxidative carbonylation reaction which is easy to separate without using expensive noble metal, and which is usable repeatedly.A catalyst for oxidative carbonylation reaction includes Bi2Se...
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JP2023507133A |
The present disclosure relates to co-crystals of pterostilbene and coformers capable of forming hydrogen bonding interactions, processes for their preparation, and their use as pharmaceuticals or dietary supplements. The present disclosu...
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JP2023013730A |
To provide a method for degrading a polycarbonate resin which enables urea and/or bisphenol to be efficiently obtained, and a method for producing urea using the degradation method and a method for producing bisphenol using the degradati...
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JP7209874B2 |
A method is disclosed for stripping in a stripper a urea synthesis solution received from a urea forming process wherein ammonia and CO2 are reacted under urea forming conditions. The shell space of the stripper comprises a continuous ve...
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JP7202354B2 |
A urea production process comprises a step of synthesis of urea by reaction of ammonia and carbon dioxide, where at least part of the carbon dioxide for the urea reaction synthesis is produced in an oxy-combustion process; the oxy-combus...
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JP2022554266A |
The present invention relates to a method for producing urea granules. In that method of manufacture, an exhaust gas stream (11) from a urea granulator (10) is subjected to a dust scrubbing process in a granulator exhaust gas scrubber (1...
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JP7197732B2 |
Disclosed is a urea finishing method including an off-gas treatment, the method comprising urea finishing and supplying the off-gas to a quenching zone and to a scrub column comprising a sump and a venturi stage, wherein the sump has a s...
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JP2022553143A |
The present invention is a method for the effective removal of residual monomeric aliphatic isocyanates from reaction mixtures containing aliphatic polyisocyanates, comprising (i) SiO2, and optionally X, where X is a trivalent element2O3...
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JP7157684B2 |
Provided is a novel process and a novel apparatus for urea production capable of performing heat recovery from a relatively low-temperature fluid. A process for urea production includes a synthesis step, a high-pressure decomposition ste...
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JP2022539597A |
The present application provides, in one aspect, a method of producing urea in a urea plant comprising a high pressure synthesis section with a reactor, the method comprising NH3feed and CO2reacting the feeds in a reactor under urea-form...
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JP7128968B2 |
A fluidized bed granulator for granulation with urea or urea-containing liquids is described, wherein the granulation liquid is supplied via a supply manifold comprising a header and risers. The risers are at least in part provided insid...
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JP3238874U |
A high-efficiency mixing apparatus for improving the quality of urea production is provided. A high-efficiency mixing device for urea production includes an air tank, a bottom plate fixedly connected to the bottom of the air tank, a plur...
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JP2022535927A |
The present invention provides the synthesis of citrulline from transition metal complexes of ornithine using a cyanate to derivatize the terminal amino group of ornithine. The present invention also provides purification of citrulline p...
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JP2022115835A |
To provide stable crystalline forms in use environment of a urea compound which antagonizes an LPA1 receptor as a medicine, and a production method thereof.The problem is solved by a crystal of a N-methyl-D-glucamine salt hydrate of tran...
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JP7105863B2 |
The invention pertains to a finishing process for urea-comprising material, a plant for finishing urea-comprising material, a method of modifying an existing plant, and a use. Methods are disclosed for preventing the clogging of the cond...
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JP7094453B2 |
The invention pertains to a urea production process using a high pressure stripper and a low pressure decomposer connected to a low pressure carbamate condenser which is in heat exchanging contact through a wall with a sub-atmospheric de...
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JP2022530784A |
The present invention relates to a method for producing urea, in which a) methyl formate or ammonium formate is formed as an intermediate in a catalytic reaction to prepare formamide based on carbon dioxide, hydrogen and ammonia, and b) ...
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JP2022530783A |
The present invention relates to the use of a ruthenium-phosphine complex as a catalyst for catalytic synthesis of urea, which comprises the conversion of formamide or formamide with ammonia in the presence of a catalyst, thereby forming...
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JP7088770B2 |
There is provided a process and an apparatus for urea production in which preheating of raw material ammonia or heating in a medium-pressure decomposition step can be performed at a relatively low pressure while preventing decrease in an...
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JP7085020B2 |
The invention relates to a urea production plant at least comprisinga. a synthesis and recovery section (1);b. a first evaporation section (2) connected with the synthesis and recovery section (1) and a first condensation section (6);c. ...
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JP7054096B2 |
The objective of the present invention is to provide a method for producing a fluorinated carbonate derivative in a safe and efficient manner. The method for producing a fluorinated carbonate derivative according to the present invention...
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JP2022053981A |
To readily produce a filter with a small fiber diameter without using a nonwoven fabric filter.A self-assembly agent is to form a nanofiber network structure by self-assembly. The self-assembly agent contains a compound represented by ge...
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JP7041925B2 |
The objective of the present invention is to provide a method for producing a carbonate derivative in a safe and efficient manner. The method for producing a carbonate derivative according to the present invention is characterized in com...
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JP7028780B2 |
The present invention relates to a benzamide derivative of general formula I, a drug composition containing same and a use thereof as a drug, wherein the definitions of R 1 , Z and Q are as described in the description.
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JP2021536492A |
The present invention provides illudin derivatives, intermediates, methods of preparation, pharmaceutical compositions, and their use. Specific examples include novel synthetic pathways for preparing illudin derivatives and illudin deriv...
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JP6983234B2 |
An integrated process for production of urea and urea-ammonium sulphate (“UAS”) comprises: a urea synthesis step carried out in a urea synthesis reactor; a recovery and concentration step, wherein a urea solution produced in the urea...
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JP2021191732A |
To provide a method of producing valuables from exhaust from cement production, allowing effective use of CO2 in exhaust from cement production equipment not originating from fossil fuel, for reducing CO2 originating from energy.CO2 in e...
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JP2021191734A |
To provide a method for producing a urea derivative from carbamate as the raw material.A method for producing a urea derivative includes a reaction step in which, in the presence of a catalyst, carbamate is heated, to produce a urea deri...
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JP6965345B2 |
A process for preparing ammonia or ammonia and urea in a facility may involve compressing a crude synthesis gas stream that includes hydrogen, nitrogen, and carbon dioxide, washing a substream of the crude synthesis gas with ammonia to f...
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JP6960532B2 |
The present invention provides a method for producing an amino acid aminoalkyl ester or an inorganic acid salt thereof by reacting a compound represented by general formula (I) shown below or a compound represented by general formula (II...
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