| Document |
Document Title |
|
WO/2020/117408A1 |
Organic isocyanates are converted to ureas by heating in the presence of certain cobalt, magnesium, chromium and lanthanide series organometallic catalysts. The process requires no water or other reactants. The process is particularly us...
|
|
WO/2020/104197A1 |
A process for synthesis of urea from CO2 and NH3 wherein a steam flow (13) produced in the condenser (3) of a high-pressure synthesis loop is compressed to raise its pressure and temperature before using the steam as a heat source for a ...
|
|
WO/2020/104484A1 |
The present invention relates to the synthesis of N-trifluoromethylcarbonyl compounds starting from isothiocyanates, which can be converted into N-trifluoromethylcarbamoyl fluorides or similar compounds, which later on can be derivatized...
|
|
WO/2020/095221A1 |
The present invention involves obtaining steam and steam condensate having relatively high utility value from low-pressure steam condensate generated when low-pressure steam is consumed in a purification step and/or a concentration step....
|
|
WO/2020/091867A1 |
Monoisocyanate impurities are removed from a process stream obtained when solvent is separated from a polyisocyanate product. The monoisocyanates are reacted with amine compounds at specific molar ratios to produce ureas. The ureas can b...
|
|
WO/2020/075082A1 |
The invention relates to a process for the synthesis of carglumic acid from L-glutamic acid and sodium cyanate by treatment with a lithium compound in an aqueous medium. The process according to the invention is easily industrially scala...
|
|
WO/2020/055915A1 |
The present disclosure provides a method of biocementation comprising contacting a granular, cohesionless soil with a solution, wherein the solution comprises urea, urease, a source of calcium ions, and a source of non-urease proteins, w...
|
|
WO/2020/042559A1 |
The present invention relates to the technical field of natural substance extracting, and disclosed is a method for synchronously extracting lycopene and citrulline from a watermelon. The method for synchronously extracting lycopene and ...
|
|
WO/2020/042557A1 |
The present invention relates to the technical field of natural substance extraction. Disclosed is a method for extracting citrulline from a watermelon. The method for extracting citrulline from a watermelon in the present invention comp...
|
|
WO/2020/025815A1 |
The present invention relates to a process for the production of carbon dioxide and ammonia for the production of urea or ammonium carbamate from residual gases in the steel and metal industries, in particular basic oxygen furnace (BOF) ...
|
|
WO/2020/021998A1 |
Provided are a method and device for manufacturing urea, whereby heating in a step for preheating or medium-pressure decomposition of starting material ammonia can be performed at a relatively low pressure while avoiding a decrease in th...
|
|
WO/2020/009016A1 |
The present invention provides a method for producing an organic compound in which functional groups are reacted with each other without the use of a solvent. The present invention pertains to a method for producing an organic compound c...
|
|
WO/2020/003234A1 |
A process for converting an anhydrous off-gas stream from melamine synthesis plants to urea and the relative plant for the direct conversion of an anhydrous off-gas stream from melamine synthesis plants into urea, are described.
|
|
WO/2019/221192A1 |
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) or a compound represented by general formula (III), or a sal...
|
|
WO/2019/219808A1 |
A stripper for stripping a urea/carbamate mixture. The stripper comprises a shell and a plurality of tubes disposed within the shell. A shell-side space is provided between the tubes and the shell. A first heating fluid inlet, a second h...
|
|
WO/2019/198600A1 |
[Problem] To provide a method for producing urea that curbs corrosion of a urea plant and increases the reaction yield. [Solution] A method for producing urea from raw production materials including NH3 and CO2 at a urea production plant...
|
|
WO/2019/180066A1 |
The present invention relates to a method for the production of an urea ammo- nium sulphate (UAS) composition, wherein said UAS composition comprises 1 to 40 weight% of ammonium sulphate (AS) relative to the total weight of the UAS compo...
|
|
WO/2019/160037A1 |
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...
|
|
WO/2019/149937A1 |
The invention relates to a virtual sensing method and system for controlling at least one composition variable in a urea production process, based on a plurality of online measured process variables and a model, wherein the model is used...
|
|
WO/2019/145169A1 |
Plant for the synthesis of melamine starting from urea, wherein the stream of offgas containing NH3 and CO2 produced by the synthesis of melamine is converted into urea in a dedicated urea plant.
|
|
WO/2019/123354A1 |
It is provided a duplex stainless steel for use in a urea production plant and/or in a urea production process, containing in weight percentage (%w): C 0,03 or less; Si 0,5 or less; Mn 2,5 or less; Cr from more than 30,0 to 35,0; Ni from...
|
|
WO/2019/110443A1 |
The invention relates to a method for providing carbon dioxide for synthesizing urea from ammonia and carbon dioxide, wherein a carbon dioxide-containing flue gas is used as a first starting gas mixture. The first starting gas mixture is...
|
|
WO/2019/106784A1 |
The present invention is provided with a reformer 1 for reforming a hydrocarbon source to obtain hydrogen and carbon dioxide, an ammonia production unit 10 for using the hydrogen and carbon dioxide obtained by the reformer 1 to obtain am...
|
|
WO/2019/099247A1 |
Systems and methods are provided for producing high quality synthesis gas from a fiuidized coking system that includes an integrated gasifier. Additionally or alternately, systems and methods are provided for integrating a fluidized coki...
|
|
WO/2019/091975A1 |
The present invention relates to a method for the synthesis of cyclic depsipeptides, in particular emodepside, from the open form.
|
|
WO/2019/093891A1 |
Processes and plants for the production of purified urea solution are described. In a described urea production process, urea is produced in a synthesis section without a high pressure stripper and the urea solution is subjected to purif...
|
|
WO/2019/082121A1 |
An apparatus (20) for treatment of process vapours coming from a vacuum concentration section (10) of a urea plant, comprising a vacuum system (11) having a plurality of successive condensation stages (30), connected in series by respect...
|
|
WO/2019/083367A1 |
Described are a high pressure carbamate condenser, urea plant, and urea production process. The high pressure carbamate condenser as described is of the shell-and-tube heat exchanger type with a tube bundle and has a redistribution chamb...
|
|
WO/2019/073484A1 |
The present invention provides a method for fixing carbon dioxide gas as a carbonyl compound represented by formula (3) as depicted by Figure 1 and comprising, purging of carbon dioxide in a solution of a nucleophile represented by the f...
|
|
WO/2019/075281A1 |
A composition for use in brine formation comprising a deliquescent desiccant, urea, and an optional component selected from the group consisting of starch, citric acid, clay, glucose, and a combination thereof. Methods of making and usin...
|
|
WO/2019/071175A1 |
The invention is directed to kits, compositions, tools and methods comprising a cyclic industrial process to form biocement. In particular, the invention is directed to materials and methods for decomposing calcium carbonate into calcium...
|
|
WO/2019/071172A1 |
The invention is directed to kits, compositions, tools and methods comprising a cyclic industrial process to form biocement. In particular, the invention is directed to materials and methods for decomposing calcium carbonate into calcium...
|
|
WO/2019/041961A1 |
Provided are a transparent nucleating agent, a preparation method therefor and the use thereof, wherein the transparent nucleating agent comprises a compound represented by formula (1) and a derivative thereof; the method comprises: brin...
|
|
WO/2019/026044A1 |
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...
|
|
WO/2019/013639A1 |
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...
|
|
WO/2018/219309A1 |
The present invention relates to a vinylarene derivative which modulates or inhibits the enzymatic activity of indoleamine 2,3-dioxygenase 1 (IDO-1), and the use thereof, and further relates to a vinylarene derivative and the use thereof...
|
|
WO/2018/211953A1 |
The purpose of the present invention is to provide a method for safely and efficiently producing a fluorinated carbonate derivative. This fluorinated carbonate derivative production method is characterized by emitting light in the presen...
|
|
WO/2018/202619A1 |
Plant for the synthesis of urea comprising:a synthesis section (101), wherein ammonia (1) and carbon dioxide (2) react to give an aqueous solution (3) containing urea and ammonium carbamate; at least one recovery section fed with said de...
|
|
WO/2018/197281A1 |
The invention relates to a method for removing gaseous chemical compounds from a waste gas, wherein at least one gaseous chemical compound is converted into an aqueous liquid phase by a reaction with a scrubbing solution (22), wherein a ...
|
|
WO/2018/197282A1 |
The present invention relates to a device (1) for removing a gaseous chemical compound from a waste gas, wherein the gaseous chemical compound can be converted into an aqueous liquid phase by means of a reaction with a scrubbing solution...
|
|
WO/2018/197991A1 |
Urea-aldehyde condensation compositions, processes for preparing the same, and the use of said compositions are disclosed. The compositions can have a nitrogen content that is 100% water soluble and can be used as a fertilizer.
|
|
WO/2018/197279A1 |
The present invention proposes an apparatus for waste gas scrubbing, more particularly in a urea plant, wherein the apparatus is designed such that, along a transport direction in the channel, a waste gas passes through - a first region ...
|
|
WO/2018/189598A1 |
Systems and methods for integrated glycerol carbonate and/or urea production. This disclosure pertains to development of a process for production of glycerol carbonate and/or urea from ammonia, carbon dioxide and glycerol. The process in...
|
|
WO/2018/185459A1 |
A process for the production of formaldehyde-stabilised urea is described comprising the steps of: (a) generating a synthesis gas; (b) subjecting the synthesis gas to one or more stages of water-gas shift in one or more water-gas shift r...
|
|
WO/2018/168573A1 |
When recovering and utilizing the urea and NH3 contained in a gas that contains urea dust and NH3 and has been discharged from a urea granulation step, an aqueous urea solution to be fed to the urea granulation step is prevented from suf...
|
|
WO/2018/166873A1 |
Process for the co-production of methanol and ammonia together with urea production from a hydrocarbon feed without venting to the atmosphere carbon dioxide captured from the methanol or ammonia synthesis gas and without using expensive ...
|
|
WO/2018/162594A1 |
A process for producing UREA, said process comprising the steps of: - purification of a hydrocarbon feed gas removing Sulphur and/or chloride components if present, - reforming the hydrocarbon feed gas in a reforming step where the steam...
|
|
WO/2018/158126A1 |
The invention relates to a method for cleaning the exhaust air of a granulating system for producing a urea-containing granulate. A gas flow which contains a urea-containing dust and ammonia is brought into contact with a sulfuric acid s...
|
|
WO/2018/154560A1 |
The invention provides aqueous hydrohalide liquid compositions containing more than 50% hydrohalide and less than 8% water. A method is provided for preparing a composition containing up to 95% urea hydrobromide, which is liquid at ambie...
|
|
WO/2018/153630A1 |
A process and system for removing ammonia from ammonia-containing purge gas of a urea plant, the process comprising: contacting said ammonia- containing purge gas with carbon dioxide at a low temperature, reaction of ammonia to form crys...
|
