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WO/2024/145439A1 |
The present disclosure is directed to a method of synthesizing a polyurea, a polyurea, a coating containing the polyurea, and a polyurea system. The method comprises: providing a mixture of an isocyanate compound comprising a diisocyanat...
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WO/2024/135142A1 |
The purpose of the present invention is to provide a method for safely and efficiently producing a carbonyl halide. A method for producing a carbonyl halide according to the present invention is characterized by including a step for irra...
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WO/2024/132698A1 |
The invention relates to a device for converting an oxygen-rich hydrocarbon feedstock derived from biomass, comprising: - a pyrolysis unit; - a reaction section for WGS gas to water conversion; - a fractionation train suitable for extrac...
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WO/2024/126607A1 |
The present invention relates to a process for preparing polyisocyanates from CO2 and a production unit for carrying out the process. Further, the present invention relates to a polyisocyanate and a polyisocyanate obtained according to t...
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WO/2024/124426A1 |
The present application relates to an isophorone diisocyanate composition and the use thereof. The content of methylated isophorone diisocyanate (Me-IPDI) in the isophorone diisocyanate composition is 0.002-0.200%. A blocked isocyanate o...
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WO/2024/115132A1 |
The invention relates to an apparatus and a process for preparing isocyanates by reacting the corresponding amines with phosgene in the liquid phase, wherein either the amine as a first reactant and the phosgene as a second reactant or t...
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WO/2024/106985A1 |
The present invention relates to a technology relating to: a xylene diisocyanate composition in which the amount of a low-boiling-point compound is controlled; and a method for preparing same, in which, in producing xylene diisocyanate u...
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WO/2024/103323A1 |
Disclosed herein are an isocyanate composition, and a preparation method therefor and the use thereof. The effective factor of the isocyanate composition is 3.70-4.70, and by means of the design and control of the effective factor, the i...
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WO/2024/103324A1 |
Disclosed in the present invention are an isocyanate composition, a modified composition, and a polyurethane elastomer, the isocyanate composition having an effective factor of 3.80-5.30. By means of designing and controlling the effecti...
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WO/2024/103321A1 |
An isocyanate composition, a modified isocyanate, a polyurethane resin and an optical material, the isocyanate composition having an effective factor of 3.90-5.70. By means of the design and control of the effective factor, the isocyanat...
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WO/2024/088410A1 |
Disclosed is a preparation method for a low-color number, low-odor polyisocyanate curing agent. The preparation method comprises a step of carrying out a polymerization reaction on a diisocyanate monomer under the action of a trimerizati...
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WO/2024/052441A1 |
The invention relates to a method for treating residue from the production of organic isocyanates via the phosgenation of organic amines, comprising a step of mixing a first residue A with a second residue B, obtaining a residue mixture,...
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WO/2024/030736A1 |
Processes and facilities for producing several types of recycled content organic chemical compounds from waste plastic. Processing schemes are described herein for converting waste plastic (or hydrocarbon having recycled content derived ...
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WO/2024/026053A1 |
The invention relates to a coating composition and a coating comprised of fluoropolymer grafted with maleic anhydride, which is able to undergo crosslinking with polyisocyanate, to provide improved chemical resistance.
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WO/2024/007204A1 |
The present application relates to a method for preparing isocyanate. Specifically, the present application provides a method for preparing isocyanate by combining a supercritical phosgenation method with a piping method.
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WO/2023/247525A1 |
The invention relates to a method for producing isocyanates via phosgenation, in particular gas-phase phosgenation (GPP) or liquid-phase phosgenation (FPP), of the corresponding amines, wherein an amine mixture formed of at least one fir...
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WO/2023/247523A1 |
The invention relates to a method for producing isocyanates via gas-phase phosgenation of the corresponding amines in a phosgenation system, in which, in particular, problems due to the formation of deposits in apparatus of the phosgenat...
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WO/2023/247522A1 |
The invention relates to a method for producing isocyantes via a gas-phase phosgenation of the corresponding amines, wherein an amine mixture formed of at least one first amine and at least one second amine, that is different from the fi...
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WO/2023/208914A2 |
The invention relates to a process for storing a toluene diisocyanate and high boilers containing mixture by feeding the toluene diisocyanate and high boilers containing mixture into a storage vessel (23) and agitating the toluene diisoc...
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WO/2023/152038A1 |
The invention relates to a method for producing isocyanates by reacting at least one amine or the salt thereof with a stoichiometric excess of phosgene in the condensed phase in the presence of a solvent, having the steps of: A) transiti...
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WO/2023/152039A1 |
The invention relates to a method for preparing isocyanates by reacting corresponding amines with phosgene. The invention further relates to an apparatus for separating exhaust gas flows from a phosgenation reaction.
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WO/2023/132020A1 |
The present invention addresses the problem of providing: an oxygen-absorbing compound which has oxygen-absorbing properties and generates a reduced amount of odor; and an oxygen-absorbing adhesive composition and a coating agent composi...
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WO/2023/108620A1 |
The present application relates to a method for preparing isocyanate. Specifically, in the method of the present application, phosgene (especially liquid phosgene) is used as a quench medium to prepare isocyanate.
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WO/2023/106377A1 |
Provided is a method for producing a blocked isocyanate compound, the method comprising a reaction step of reacting a primary amine compound, a carbonic acid derivative, and a blocking agent by means of heat treatment in the presence of ...
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WO/2023/101340A1 |
The present invention relates to a method for producing diisocyanate that has high purity and excellent stability even during long-term storage and thus has low haze. The stability of the diisocyanate can be improved by maintaining the t...
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WO/2023/080257A1 |
The method for producing isocyanate compounds comprises: a step (1) for obtaining an N-substituted carbamate compound by reacting a primary amine compound and a carbonate derivative, while removing by-product compounds that have a boilin...
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WO/2023/080258A1 |
The present invention provides a carbonyl compound represented by general formula (I) (wherein R11 is an (n11+n12)-valent organic group, R12 is a monovalent organic group, n11 is an integer of 1-8, n12 is an integer of 0-7, and the sum o...
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WO/2023/041781A1 |
A chemical process for preparing at least one aromatic isocyanate, said process comprising n chemical sub-processes sp(i), wherein a sub-process sp(i) is carried out in a chemical processing sub-unit U(i), i=1...n, n≥1, wherein during ...
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WO/2023/041771A1 |
The invention relates to a method for the removal of water from and transport of at least one aliphatic diamine comprising the following steps: a) providing a first composition including 60 to 98 wt.-% water and 2 to 40 wt.-% of the at l...
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WO/2023/041769A1 |
The invention relates to a method for obtaining an amine from a composition by means of distillation and a composition obtainable by that method. The invention also relates to a method for the production of an isocyanate from the composi...
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WO/2023/041768A1 |
The invention relates to a method for the processing and transport of hexane-1,6-diamine or pentane-1,5-diamine comprising the steps of: a) Providing a first composition including 60 to 98 wt.-% water and 2 to 40 wt.-% hexane-1,6-diamine...
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WO/2023/022203A1 |
Provided is an isocyanate production system 1 comprising a control device 10 that chooses energy generated by a biomass boiler 134, biomass methanol or carbon recycled methanol for use in a methanol decomposition device 150, a recycled o...
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WO/2023/285545A1 |
The present invention relates to the field of polyurethane recycling and pertains to a method of recycling of a polyurethane, comprising a first alcoholysis step and a further thermolysis step. By means of the method according to the pre...
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WO/2023/274492A1 |
The present invention is directed towards a process for the preparation of free isocyanates, which improves upon the disadvantages associated with heterogeneous catalysis. The process comprises converting formamides into the correspondin...
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WO/2022/263320A1 |
The invention relates to a tubular reactor for gas phase phosgenation of at least one organic amine comprising • at least one inlet device for starting materials, • an outer shell with inner diameters Dri, • a tubular inner sleeve ...
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WO/2022/228805A1 |
The present disclosure relates to a diisocyanate stabilizer, use of the diisocyanate stabilizer for stabilizing diisocyanate, and a diisocyanate composition comprising the stabilizer. The diisocyanate stabilizer comprises a sterically hi...
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WO/2022/194621A1 |
This disclosure relates to a composition comprising (a) 4,4'-methylene diphenyl diisocyanate (4,4'-MDI), and (b) at least one heterocyclic compound comprising as ring moiety at least one structure of formula (I) as defined in the descrip...
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WO/2022/191247A1 |
[Problem] To provide: a xylylene diisocyanate composition which enables the stable production of a resin that has excellent heat resistance; a polymerizable composition for optical materials; a resin; a molded body; an optical element; a...
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WO/2022/172744A1 |
The purpose of the present invention is to provide an efficient method of producing a carbonyl halide for a halogenated methane used. A method for producing a carbonyl halide according to the present invention is characterized by compris...
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WO/2022/172745A1 |
The purpose of the present invention is to provide a method for producing a halogenated carbonyl efficiently in regard to the used halogenated hydrocarbons. The method for producing a halogenated carbonyl according to the present inventi...
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WO/2022/162968A1 |
[Solution] This xylylene diisocyanate composition contains xylylene diisocyanate and a compound having a retention time of 14.0-14.6 minutes when measured by gas chromatography-mass spectrometry under specific measurement conditions, the...
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WO/2022/147830A1 |
Provided are a method for preparing a polyisocyanate, a polyisocyanate obtained by using the method, and a reaction device used in the method. The method comprises the following steps: 1) subjecting a polyamine solution and a phosgene so...
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WO/2022/147939A1 |
A reactor and method for preparing diisocyanate by using a low-temperature gas phase method. The tubular reactor comprises a tubular housing, an external jacket, and a gas distribution device located at the top of the housing; the housin...
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WO/2022/146091A1 |
The present invention relates to a method for preparing an isocyanate compound. The objective of the present invention is to provide a method for preparing an isocyanate compound using phosgene, whereby the thermal denaturation of a reac...
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WO/2022/146093A1 |
The present invention relates to an isocyanate compound preparation method. According to the present invention, provided is an isocyanate compound preparation method, which enables the thermal denaturation of a reaction product and the g...
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WO/2022/146090A1 |
The present invention relates to an isocyanate compound preparation method. The objective of the present invention is to provide an isocyanate compound preparation method, which enables the recovery and reuse of materials used in a react...
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WO/2022/146088A1 |
The present invention relates to an isocyanate compound preparation method. The objective of the present invention is to provide an isocyanate compound preparation method, which enables the recovery and reuse of materials used in a react...
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WO/2022/146092A1 |
The present invention relates to a method for preparing an isocyanate compound. According to the present invention, provided is a method for preparing an isocyanate compound, the method capable of, when preparing an isocyanate compound u...
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WO/2022/122906A1 |
The present invention relates to a process for preparing a polyisocyanate, namely a isocyanate group-terminated polyol polyanthranilic acid ester. The process comprises the step of reacting an anthranilic acid derivated selected from ant...
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WO/2022/118926A1 |
The present invention provides a material for efficiently capturing active hydrogen-containing organic compounds such as alcohol compounds. The present invention uses an active hydrogen-containing organic compound scavenger that contai...
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