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Matches 1 - 50 out of 1,754

Document Document Title
WO/2016/142475A1
The invention relates to a method for separating a phosgene- and hydrogen chloride-containing material flow (5), wherein the hydrogen chloride- and phosgene-containing material flow (5) is supplied to a distillation column (1), a phosgen...  
WO/2016/120167A1
The invention relates to polyphenylene polymethylene polyisocyanates having an NCO number of at least 29% and containing less than 2 wt% of carbamides, less than 8 wt% of carbodiimides or uretonimines, and less than 1000 ppm of organic c...  
WO/2016/103283A1
The present invention provides bio-based aromatic diisocyanate of formula (I). [Formula should be inserted here] wherein X is –OCH3, Y is selected from -H or –OCH3, and m = 0-12. The present invention further provides a method for pr...  
WO/2016/098561A1
By reacting 3-methyl-2-methoxymethyl aniline, etc. with a phosgene compound in the presence of a tertiary amine at 10°C-14°C in at least one kind of solvent selected from a group consisting of chlorobenzene and ortho-dichlorobenzene, a...  
WO/2016/048695A1
A compound for imparting water repellency and optionally stain release to substrates wherein the compound is prepared by reacting (a) at least one isocyanate group-containing compound, (b) at least one isocyanate-reactive compound and (c...  
WO/2016/042124A1
The invention relates to a method for producing isocyanates by reacting the corresponding primary amines with phosgene in the gas phase, wherein the phosgene is injected into the gaseous amine flow in the interior of a flow tube via an o...  
WO/2016/042125A1
The invention relates to a method for producing 1,5-pentanediisocyanate (PDI) by reacting 1,5-pentanediamine (PDA) with phosgene in the gas phase.  
WO/2015/188389A1
A heater for heating and vaporizing droplets in gas stream, comprising a heater housing and a heater body located inside the heater housing, wherein the heater housing is provided with an airflow inlet and an airflow outlet, the airflow ...  
WO/2015/162106A1
The invention relates to a method for producing isocyanates by reacting primary amines with phosgene in a solvent, the solvent containing a dialkyl carbonate.  
WO/2015/155365A3
The invention relates to a method for producing the isomers 1,3- and/or 1,4-xylylene diisocyanates by reacting the corresponding 1,3- and/or 1,4-xylylene diamines with phosgene in the gaseous phase.  
WO/2015/155367A1
The invention relates to a composition for producing transparent polythiourethane bodies, containing or consisting of A) a polyisocyanate component that contains at least one polyisocyanate having an isocyanate group functionality of at ...  
WO/2015/155366A1
The invention relates to a composition for producing transparent polythiourethane bodies containing or consisting of A) a polyisocyanate component containing at least one polyisocyanate with a functionality of isocyanate groups of at lea...  
WO/2015/149381A1
Disclosed are a solvent refining method for isocyanate prepared by the phosgene method and multistage absorbing towers used in same. Solvent to be refined which contains water, iron, and/or phosgene , hydrogen chloride and other material...  
WO/2015/144658A1
The invention relates to a method for preparing isocyanates by the phosgenation of the corresponding amines in which problems resulting from the formation of deposits in apparatuses of the reaction segment during activation (starting) an...  
WO/2015/144681A1
The invention relates to a method for operating a gas-phase phosgenation plant (100) for reacting an amine (2) with phosgene (1) to give the corresponding isocyanate (4), wherein in order to start up the gas-phase phosgenation plant (100...  
WO/2015/144682A1
The invention relates to a process for operating a gas phase phosgenation plant (100) for reacting an amine (2) with phosgene (1) to give the corresponding isocyanate (4), in which the gas phase phosgenation plant (100) is shut down by f...  
WO/2015/121211A1
A process for extracting a phosgene compound, comprising providing a membrane extracting unit comprising at least one extracting cell that comprises at least one membrane contactor module having at least two sides, a gas side and a liqui...  
WO/2015/091807A1
The invention relates to a method for separating isocyanate monomers from isocyanate-containing mixtures by supplying the mixture in a solvent and dialyzing the dissolved mixture against the solvent by means of a permeable membrane havin...  
WO/2015/081610A1
Degradable isocyanate compounds, methods for making these compounds, and uses of these compounds for preparing degradable cross-linked polymers and composite materials are provided.  
WO/2015/024859A1
The present invention relates to a process for obtaining an organic isocyanate from a phosgenation product comprising the isocyanate, comprising the following steps: a) workup of the phosgenation product, the workup comprising at least o...  
WO/2015/025773A1
This method for producing an m-xylylene diisocyanate contains: a reaction step for generating a bisamide compound by reacting, in the presence of an acidic liquid, a monohalogenated benzene, formaldehyde, and an amide compound indicated ...  
WO/2015/016148A1
In the present invention, the method for producing trans-bis(aminomethyl)cyclohexane includes the following: a trans isomerization step of isomerizing cis-dicyanocyclohexane into trans-dicyanocyclohexane by heating dicyanocyclohexane, wh...  
WO/2015/016263A1
 The present invention relates to a reaction method having a step for supplying a liquid including at least one species of a raw material compound and a low-boiling compound having a standard boiling point lower than the standard boili...  
WO/2015/011070A3
The invention relates to a method for producing an isocyanate by reacting the corresponding primary amine with phosgene in a reactor (100) which comprises at least one reaction zone (110) and a quenching zone (120) arranged below said re...  
WO/2014/189120A1
 The purpose of the present invention is to provide, with a high degree of reproducibility, a catalyst which can be used to produce isocyanate compounds with a high degree of selectivity and at high yield, and which can be easily separ...  
WO/2014/173856A1
The present invention provides a process for preparing di- and polyamines from the diphenylmethane series by converting aniline and formaldehyde in the absence of an acid catalyst to give aminal and water, removing the aqueous phase and ...  
WO/2014/166977A1
The invention relates to a method for producing diamines and polyamines of the diphenylmethane series, wherein first aniline and formaldehyde are reacted in the absence of an acidic catalyst to form a reaction mixture containing aminal a...  
WO/2014/166901A1
The present invention relates to a process for the preparation of di- and polyamines of the diphenylmethane series in which, by using a coalescence auxiliary in the phase separation of the process product obtained in the scrubbing of the...  
WO/2014/163016A1
This xylylene dicarbamate contains impurities represented by formulas (1)-(4) in a ratio such that the total thereof constitutes less than 100ppm on a mass basis. (In formulas (1)-(4), R represents a monovalent hydrocarbon group.)  
WO/2014/163017A1
This method for producing xylylene diisocyanate is provided with: a pyrolytic decomposition step for pyrolytically decomposing xylylene dicarbamate; a first separation step for separating, from the pyrolytic decomposition product obtaine...  
WO/2014/157636A1
A method for producing isocyanate, said method comprising: a carbamation step for producing an N-substituted carbamate by a carbamation reaction using an organic primary amine, urea and an organic hydroxy compound, and then collecting fi...  
WO/2014/122180A1
The invention relates to a method for separating an isocyanate, which was produced by reacting a primary amine with an excess of phosgene in the gas phase, from the gaseous raw product obtained in the reaction, wherein (i) the gaseous ra...  
WO/2014/091011A1
The invention provides a method of a toluenediamine (TDA) phosgenation in a gaseous phase in a reactor of a specific design. The method, which, due to suitable mixing of reagents allows to obtain high selectivity of the course of the TDA...  
WO/2014/082910A1
The invention relates to a method, preferably a multistage method, for continuously producing organic polyisocyanates, preferably diisocyanates, particularly preferably aromatic, aliphatic, or cycloaliphatic diisocyanates, by reacting th...  
WO/2014/073672A1
This method for producing an aldehyde compound comprises a step for reacting a compound represented by general formula (a1) or general formula (a2) with hydrogen and carbon monoxide in the presence of a phosphorus compound and a metal co...  
WO/2014/073664A1
This method for producing an aldehyde compound comprises a step for reacting a compound represented by general formula (a1) with hydrogen and carbon monoxide in the presence of a phosphorus compound and a metal compound that contains 0.0...  
WO/2014/073663A1
This method for purifying an aldehyde compound comprises: a step for neutralizing a reaction solution, which contains an aldehyde compound that is obtained by reacting a compound represented by general formula (a1) or (a2) with hydrogen ...  
WO/2014/069605A1
The present invention relates to a polyisocyanate composition which comprises, based on the total mass of the polyisocyanate composition: 97 weight% or more of a polyisocyanate; 2.0 mass ppm to 1.0×104 mass ppm of a compound which is di...  
WO/2014/064128A1
The present invention relates to a method for producing isocyanates by reacting amines with phosgene in liquid phase, involving the following method steps: (a) mixing a liquid amine-containing reactant flow (1) and a liquid phosgene-cont...  
WO/2014/059516A1
A process for preparing an acrylamide-based crosslinking monomer comprising reacting in the presence of a catalyst an isocyanate compound containing at least two isocyanate groups with one of acrylic acid or methacrylic acid. These acryl...  
WO/2014/044699A1
The invention relates to a method for producing organic diisocyanates by reacting the corresponding diamines with phosgene in inert solvents. High-melting diamines from the series of 1,5-naphthalenediamine, tetralindiamine, 1,4-phenylene...  
WO/2014/009342A1
The present invention relates to a method for working up distillation residues from isocyanate production in which monomeric isocyanate present in distillation residues is recovered by means of a spray-dry method and the overall yield of...  
WO/2013/151139A1
L-lysine and/or a salt thereof is subjected to lysine decarboxylation by lysine decarboxylase and/or mutant lysine decarboxylase in a reaction system in which the time that the dissolved oxygen concentration is the saturated dissolved ox...  
WO/2013/139703A1
The invention relates to a method for producing isocyanates by phosgenating the corresponding amines, wherein low-boiling secondary components, excessive phosgene, and the coupling product hydrogen chloride are separated from the crude l...  
WO/2013/111353A1
The present invention provides a method for separating an active hydrogen-containing compound (A) and a compound (B) that reversibly reacts with the compound (A) from each other, which comprises: a step of separating the compound (A) and...  
WO/2013/108860A1
In the present invention, 1,5-pentamethylendiamine is produced by using lysine decarboxylase and/or a mutant lysine decarboxylase to cause a lysine decarboxylation reaction in L-lysine or a salt thereof in the presence of a substance tha...  
WO/2013/108859A1
In the present invention, mutant lysine decarboxylase is obtained by replacing at least one of the amino acids in the amino acid sequence indicated by SEQ ID NO: 4 of the Sequence Listing with another amino acid.  
WO/2013/089381A1
The present invention provides a method for preparing aliphatic diisocyanate at high yield while significantly preventing the production of by-products having high boiling points by pyrolyzing aliphatic dicarbamate in a liquid phase usin...  
WO/2013/079517A1
Proposed is a method for producing isocyanates by means of phosgenation of the respective amines in a fluidised bed reactor (R), characterised in that a gas flow (1) containing the phosgene is used as a swirl gas and keeps an inert solid...  
WO/2013/079514A1
The present invention relates to sulphur-free transition metal-isocyanate-based ionic liquids, a method for the production thereof and the usage thereof. The sulphur-free transition metal-isocyanate-based ionic liquids have the general f...  

Matches 1 - 50 out of 1,754