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WO/2023/187552A1 |
Organometallic complexes are described which are useful as pre -polymerization catalysts which may form part of olefin polymerization catalyst systems. The catalyst systems find use in the polymerization of ethylene, optionally with one ...
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WO/2023/189722A1 |
Provided is a method for producing a compound represented by general formula (I) via the oxidative cleavage of a compound of formula (II), which is a bicyclic 4-substituted olefin compound. The method for producing a compound represent...
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WO/2023/189723A1 |
Provided is a method for producing a compound represented by general formula (I) through oxidative cleavage of a compound that is represented by formula (II) and that is a bicyclic 4-substituted olefin compound. This method is for prod...
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WO/2023/190598A1 |
The purpose of the present invention is to provide a composition in which additive components other than a radical generation source and a radical generation catalyst are stable for a long period of time and do not decompose readily. T...
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WO/2023/191088A1 |
The present invention provides a polysaccharide which has a degree of polymerisation of 16-40 and is composed only of galactose or composed only of galactose and 1-3 molecules of arabinose, the saccharide units of said polysaccharide bei...
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WO/2023/179799A1 |
Provided are a porphyrin zinc europium phosphorus cluster material, a preparation method therefor and an application thereof. Lamellar black phosphorus reacts with europium chloride to form europium-doped black phosphorus; and then tetra...
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WO/2023/180596A1 |
The present invention relates to methods for obtaining ammonia or ammonium salts using monocyclopentadienyl complexes. The complexes are capable of fixing dinitrogen in ambient pressure and temperature conditions and of reacting with pro...
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WO/2022/265865A9 |
A method, including: contacting a carbene or carbyne precatalyst with a first co-catalyst, under reaction conditions sufficient to cause the first-co-catalyst to activate the carbene or carbyne precatalyst, wherein the first co-catalyst ...
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WO/2023/177129A1 |
The present invention relates to a ligand compound having a novel structure, an organic chromium compound, a catalyst composition comprising the organic chromium compound, and an ethylene oligomerization method using same, the ligand com...
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WO/2023/175524A1 |
PET depolymerization process wherein PET, a ionic liquid consisting of (2-hydroxyethyl)trimethylammonium argininate [Cho][Arg] and methanol are mixed together at a temperature ranging from -50 to 70°C. The weight ratio of PET to the ion...
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WO/2023/177130A1 |
The present invention relates to a novel structured ligand compound, an organic chrome compound, a catalyst composition comprising the organic chrome compound, and an ethylene oligomerization method using same, wherein the ligand compoun...
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WO/2023/177590A1 |
A method for direct synthesis of cyclic carbonates is achieved by reacting at least one epoxide with carbon dioxide in the presence of a choline catalyst, such as choline chloride, under mild conditions such as a temperature between abou...
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WO/2023/171694A1 |
Provided in an embodiment is a core-shell type heterogeneous catalyst provided with a core 1 and a shell 2 positioned on the outside of the core 1, wherein the shell 2 contains a metal complex structure 3 containing a Josiphos ligand.
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WO/2023/167325A1 |
The present invention addresses the problem of developing a metal catalyst which is suitable for continuous flow organic synthesis reaction, is excellent in durability, and has high activity. The present invention provides an immobiliz...
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WO/2023/164848A1 |
Provided are a catalyst loaded with a TEMPO compound, and a preparation method therefor and the use thereof. The catalyst loaded with a TEMPO compound uses a polymer resin as a carrier, wherein the polymer resin is a polystyrene resin co...
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WO/2023/163050A1 |
The present invention pertains to a catalyst reaction method wherein, in a catalyst reaction that uses at least one catalyst selected from the group consisting of metal complexes represented by general formula (1A) set forth in the descr...
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WO/2023/163014A1 |
The present invention provides a method for producing a formic acid salt, which is suitable for improving the TON of a metal catalyst. This production method is for producing a formic acid salt by reacting hydrogen with a compound C that...
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WO/2023/163048A1 |
The present invention pertains to: an immobilized catalyst obtained by immobilizing a metal complex in a polymer, said immobilized catalyst including a polymer represented by general formula (1) set forth in the description; a production...
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WO/2023/164687A1 |
Disclosed are dimeric copper centers supported on graphitic carbon nitride (denoted herein as Cu2@C3N4) and their use as advanced catalysts for partial oxidation of CH4.
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WO/2023/161841A1 |
The present invention relates generally to the field of ligand development, particularly, chiral (P,N)-ligands. The present invention is furtherconcerned with the gold(I) complexes of said chiral (P,N)-ligands. The present invention is f...
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WO/2023/163042A1 |
The present invention provides: a catalyst which has a high production efficiency of a synthesis gas containing CO; a cathode; an ion exchange membrane-electrode assembly; and a solid electrolyte electrolysis apparatus. This catalyst com...
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WO/2023/160767A1 |
Disclosed are transesterification and transamidation reactions and depolymerization reactions of polyesters and polyamides using catalysts comprising a structural unit of formula (I). Therein, o is a positive integer of at least 1, R3 is...
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WO/2023/156742A1 |
The invention relates to a method for producing a stabilised biomass oil, comprising: (a) providing a biomass oil chosen from a biomass pyrolysis oil, a biomass hydrothermal liquefaction oil and mixtures thereof, and an unsupported hydro...
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WO/2023/156802A1 |
Our invention relates to catalysts and their use in the synthesis and conversion of alpha-olefin-containing products, essentially alpha-olefins, primarily from paraffins of renewable origin, having a carbon number of 11-45, and mixtures ...
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WO/2023/156972A1 |
Disclosed herein are embodiments of a chiral Pd(0) precatalyst according to Formula I, wherein the Pd atom has an oxidation state of 0 and the A group is a compound comprising at least one olefin moiety capable of coordinating with Pd(0)...
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WO/2023/153494A1 |
The present invention addresses the problem of providing a new catalyst for selectively generating formamides from urea-based compounds and urethane-based compounds. The present invention pertains to: a complex having a partial structure...
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WO/2023/152245A1 |
The present invention relates to a method for disassembly of epoxy-based polymers or composites of fibres reinforced with such polymers, the method comprising chemical manipulations of the polymer involving an organometallic catalyst in ...
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WO/2023/153376A1 |
The present invention addresses the problem of providing a method for decomposing crosslinked rubber that can improve the yields of monomers and oligomers. The solution to the aforementioned problem is a method for decomposing crosslinke...
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WO/2023/153379A1 |
The present invention addresses the problem of providing a method for decomposing a crosslinked rubber, with which monomer yield can be improved. A means for solving this problem is a method for decomposing a crosslinked rubber, the meth...
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WO/2023/153380A1 |
The present invention addresses the problem of providing a decomposition method for crosslinked rubber that improves the yield of a monomer. According to the present invention, a decomposition method for crosslinked rubber is characteriz...
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WO/2023/152124A1 |
Disclosed is an olefin metathesis polymerization catalyst system. The catalyst system comprises a metalate as pre-catalyst and an aluminum complex as co-catalyst, wherein the aluminum complex is an alkoxyalkylaluminum halide complex [(OR...
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WO/2023/151775A1 |
The invention relates to a method for a reversible chemical storage of hydrogen, wherein this method comprises the following, in the presence of a transition-metal catalyst, catalytically driven reaction steps: a hydrogenation step, whic...
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WO/2023/149827A1 |
The present invention refers to a process for production of di-trimethylolpropane oxetane, wherein trimethylolpropane oxetane, dimethyl carbonate and a catalyst (base) are reacted in an aqueous solution.
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WO/2023/147626A1 |
The present invention relates to processes and catalysts for the dehydration of sugars. In particular, the present invention concerns a photocatalyst of aluminium salt and fulvic acid, a method of preparing the photocatalyst of an alumin...
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WO/2023/142128A1 |
Disclosed in the present invention is a method for synthesizing a 2-phenyl-5-benzyl-imidazo[1,2-a]pyridine compound. By using a compounded nickel (II) complex having the molecular formula of Ni[P(OEt)3]{[RNC(CH3)C(CH3)NR]C}Br2 (R being 2...
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WO/2023/137771A1 |
Provided is a novel method for synthesizing an α-alkyl substituted indole-3-carboxaldehyde compound, that is, in the presence of magnesium chips, an iron (III) complex containing a 1,3-bis(2,4,6-trimethylphenyl)imidazolium cation is use...
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WO/2023/140247A1 |
This method for producing a polycarbonate diol includes a step for obtaining a polycarbonate diol by subjecting a dihydroxy compound and a carbonic acid ester as raw material monomers to polycondensation by means of a transesterification...
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WO/2023/139306A1 |
The invention relates to bimetal pseudopeptide complexes of formula (III) or (IV) and to the use thereof as catalysts in CO2 activation and conversion, synthesising cyclic carbonates from epoxides and carbon dioxide. The complexes are al...
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WO/2023/138074A1 |
The present invention provides a method and system for preparing a cyclic carbonate by catalyzing carbon dioxide cycloaddition. The method comprises the following steps: carrying out a cycloaddition reaction by using a Schiff base metal ...
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WO/2023/136721A1 |
The present invention relates to a method for obtaining a monomer by degrading a polymer, the polymer being a homo or copolymer of the monomer, the method comprising the steps of providing the polymer and a solvent as a reaction mixture ...
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WO/2023/134776A1 |
Methods for asymmetric cis-dihydroxylation ("AD") of quinones to produce cis-diols of quinones with high yield (i.e. a yield ≥ 30%) and high enantioselectivity (i.e. an enantiometric excess ≥ 30%) are disclosed. The method uses an ir...
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WO/2023/135138A1 |
The present invention relates to a process for preparing a carbodiimide, the process comprising (i) providing a mixture comprising one or more isocyanates and a catalytic compound; wherein the catalytic compound comprises a metal M and o...
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WO/2023/134011A1 |
Provided in the present disclosure are a binuclear Schiff base cobalt complex, and a preparation method therefor and the use thereof. The binuclear Schiff base cobalt complex has a structure as shown in formula (I). In formula (I), R1 an...
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WO/2023/136924A1 |
Provided herein are catalysts for polymerization of linear alkynes to cyclic poly(alkynes), and methods of making and using same. For example, provided herein are compounds of formula (I), or dimers thereof:
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WO/2023/135582A1 |
The subject matter of the invention is a stereoretentive ruthenium complex of the general formula 1a-Ru and/or 1b-Ru, in which all variables have the meanings defined in the description. The subject matter of the invention is also a meth...
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WO/2023/136334A1 |
This method for producing a compound represented by formula (I) involves forming at least one bond between a carbon atom and a nitrogen atom in an aromatic ring of the compound represented by formula (I) through a reaction using a pallad...
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WO/2023/136259A1 |
This platinum-phosphite complex-containing hydrosilylation catalyst is liquid at 23°C, does not contain a hydrocarbon-based organic solvent, and comprises: a platinum-phosphite complex formed of platinum and a phosphite compound having ...
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WO/2023/129602A1 |
A catalyst for hydrosilylation comprises a complex having a certain formula. The catalyst includes an imidazole moiety including at least one pendent substituent having a terminal ethylenic unsaturated group. A method of preparing the ca...
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WO/2023/123126A1 |
Disclosed are a nitrogen-containing porous organic polymer composite material and preparation method and application thereof. Specifically, using aluminum trichloride as a catalyst, 2,6-bis (benzimidazole) pyridine and biphenyl are copol...
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WO/2023/126957A1 |
The present invention discloses a homogenous cerium (Ce) catalyst composition comprising Ce(IV) complex alone, or Ce(IV) complex in a mixture with Ce(III) complex, that can significantly improve both LPG and soot combustion, resulting in...
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