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WO/2023/212999A1 |
The present application discloses a composite catalyst and a synthesis method for bio-based furan chemicals. The composite catalyst comprises tetravalent metal salt and acid metal salt. The synthesis method for bio-based furan chemicals ...
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WO/2023/207002A1 |
Provided in the present invention is a vanadium-boron catalyst, which is obtained by dissolving a vanadium compound, a phosphorus compound and a boron compound in a solution, adding an auxiliary metal element compound thereto to form a c...
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WO/2023/210724A1 |
A purpose of the present invention is to provide a method for producing 1,1,1,3,5,5,5-heptafluoro-2-pentene (HFO-1447) that is highly pure, particularly with a purity of higher than 99%. Another purpose of the present invention is to pro...
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WO/2023/210729A1 |
The purpose of the present invention is to provide a novel method for producing 3-chloro-1,1,1,5,5,5-hexafluoro-2-pentene Provided is a method for producing 3-chloro-1,1,1,5,5,5-hexafluoro-2-pentene, the method including a step for rea...
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WO/2023/197385A1 |
A preparation method for a calcined hydroxyapatite material and an application thereof in piezoelectric catalytic removal of an organic pollutant in water, relating to the technical fields of inorganic nanomaterials and piezoelectric cat...
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WO/2023/200001A1 |
A method for producing a compound according to the present invention comprises a reaction step in which a specific compound is produced by subjecting a first halogen compound and a second halogen compound to a halogen exchange reaction i...
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WO/2023/200015A1 |
The present invention provides: iron phosphide nanoparticles which are stable in the atmosphere, and in which iron atoms are in a low valence state; a method for producing the iron phosphide nanoparticles; and a reduction catalyst. The p...
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WO/2023/193472A1 |
Provided are a K, Rb co-doped C3N4 photocatalyst and an application thereof in the preparation of acetaldehyde by synergistic photocatalytic CO2 reduction and ethanol oxidation. The preparation method for the photocatalyst comprises the ...
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WO/2023/193343A1 |
A catalyst for synthesizing dimethyl carbonate by means of methanol oxidative carbonylation and a preparation method for and an application of the catalyst. A carrier of the catalyst is a porous carbon-nitrogen material, and an active co...
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WO/2023/185208A1 |
The present invention relates to the field of direct coal liquefaction, and discloses a catalyst coal-oil slurry and a preparation method therefor, a direct coal liquefaction method, and use. The method comprises: mixing an oil-soluble m...
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WO/2023/190447A1 |
This method for producing a transition metal nanoparticle carrier includes: a step (I) for obtaining a mixture by mixing a polymeric organic compound, one or more types of a transition metal oxide or one or more types of a transition met...
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WO/2023/190652A1 |
Provided are: a method for producing an olefin dimer, said method containing a step for performing a dimerization reaction on an olefin containing a C4-10 olefin in the presence of an olefin dimerization catalyst which contains a compoun...
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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/2023/182425A1 |
The present invention addresses the problems of providing a catalyst that has high heat resistance and that enables methacyrlic acid to be produced at high yield, and providing a method for producing methacyrlic acid and methacrylic acid...
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WO/2023/183023A1 |
Embodiments of the present disclosure are directed to a method for producing aromatic compounds from pyrolysis oil comprises: upgrading the pyrolysis oil to pyrolysis gasoline in a multi-stage reactor comprising a slurry-phase reactor an...
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WO/2023/182426A1 |
The present invention addresses the problems of providing a catalyst that has high heat resistance and that enables methacyrlic acid to be produced at high yield, and providing a method for producing methacyrlic acid and methacrylic acid...
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WO/2023/182282A1 |
[Problem] To realize Z scheme-type water splitting by means of a photocatalyst with a simple configuration. [Solution] This water splitting apparatus 3 comprises a photocatalyst panel 7 and a reaction container 9 for performing a water s...
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WO/2023/176325A1 |
The present invention provides an exhaust gas purification catalyst that has high NOx storage characteristics. This exhaust gas purification catalyst comprises a substrate and a catalyst layer. The catalyst layer has a layered structure ...
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WO/2023/174768A1 |
The invention relates to a catalytic material comprising at least one group VIB metal at least partially in sulphurated form, at least one group IVB metal at least partially in sulphurated form, and an electrically conductive support, wh...
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WO/2023/171273A1 |
The purpose of the present invention is to provide a method of obtaining halogenated alkenes at a high conversion rate with a high degree of selectivity using a catalyst produced by a simple method. A halogenated alkene production method...
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WO/2023/170700A1 |
The present invention relates to a hydrotreating catalyst and a process for preparing the same. More particularly the present invention relates to a process for preparing a hydrotreating catalyst comprising two steps spray impregnation t...
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WO/2023/169943A1 |
The invention relates to a hydrocracking catalyst which is selective towards the naphtha cut and to the hydrocracking process utilizing said catalyst, said catalyst comprising at least one hydro-dehydrogenating element selected from the ...
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WO/2023/168800A1 |
Provided in the present invention is a preparation method for a nitrogen-doped hollow hierarchically-porous carbon microsphere with a high oxygen content, the method comprising: dissolving histidine and a salt template agent in an aqueou...
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WO/2023/165735A1 |
A process for the activation of a vanadium/phosphorus mixed oxide catalyst ("VPO" catalyst) precursor, whereby the precursor is transformed into the corresponding active catalyst suitable for use in the production of maleic anhydride by ...
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WO/2023/166184A1 |
The present invention relates to a catalytically active material for ammonia synthesis obtainable by reducing a precursor material having a phase pure spinel structure which itself is obtainable by heating an intermediate having a layere...
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WO/2023/166753A1 |
Provided is a metal-loaded catalyst that, while having a large noble metal content, exhibits both an excellent durability and an excellent catalytic function. Also provided are an electrode and a battery. The metal-loaded catalyst compri...
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WO/2023/162810A1 |
The purpose of the present invention is to provide a method for producing a catalyst compact which has a high mechanical strength and with which it is possible to produce an unsaturated aldehyde and/or an unsaturated carboxylic acid in g...
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WO/2023/162794A1 |
The purpose of the present invention is to provide: a method that can stably produce a catalyst molded article having a high α,β-unsaturated carboxylic acid yield and having an excellent moldability in a step for molding a catalyst dri...
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WO/2023/163052A1 |
Provided are a catalyst that has high electrolytic activity and a rapid CO2 reduction reaction rate, and a production method therefor. Also provided are a cathode, an ion exchange membrane electrode assembly, and a solid electrolyte elec...
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WO/2023/151157A1 |
A chemical intermediate and a preparation method, belonging to the technical field of dye intermediate synthesis. The chemical intermediate provides a new way for preparing anthraquinone dyes and dye intermediates. The preparation method...
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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/2023/144167A1 |
The present invention relates to a comprising K2CO3, KCI, and optionally K2SO4 and/or KHCO3, wherein the weight content of potassium is between 9.0 and 60.0 % relative to the total weight of the composition, preferably between 10.0 and 5...
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WO/2023/146723A1 |
The present disclosure provides a method for conversion of a mixture of high- boiling fluorinated components comprising 1,1,3,3-tetrachloro-1 -fluoropropane (HCFC-241fa), 1,3, 3-trichloro-1,1 -difluoropropane (HCFC-242fa), 1,1,3-trichlor...
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WO/2023/138845A1 |
The invention relates to a catalyst material for the dehydrogenation and/or hydrogenation of hydrogen carrier material comprising a carrier material having a surface modification reducing the surface energy of the carrier material and a ...
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WO/2023/139032A1 |
The invention relates to a porous permanently polarized hydroxyapatite having a mean pore diameter from 10 nm to 10.000 nm. Further, the invention relates to a process for obtaining the porous permanently polarized hydroxyapatite, a comp...
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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/2023/133190A2 |
A catalytic compound of formula I, II, or III is described; wherein M is selected from the group consisting of Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu; R1, N is an integer from 1 to 3; R2, R3, and R4 are independent...
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WO/2023/123406A1 |
Disclosed in the present application is a method for preparing acesulfame potassium. The method comprises the following steps: step 1, mixing sulfamic acid and an amine for reaction to prepare amino sulfamate; step 2, reacting the amino ...
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WO/2023/128493A1 |
The present application relates to a method for producing nanostructured porous graphitic carbon nitride with nitrogen defects to improve all of the active site, light absorption efficiency, and charge separation ability of a catalyst.
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WO/2023/127196A1 |
Provided are: a catalyst and a method for producing the same, the catalyst demonstrating both excellent oxygen reduction catalytic performance and excellent oxygen generation catalytic performance, and effectively utilizing a biomass; a ...
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WO/2023/123791A1 |
A method for preparing an unsaturated hydrocarbon by means of photo-thermal catalytic dehydrogenation of a saturated hydrocarbon. Saturated hydrocarbon reaction gas is fed to a reaction furnace and subjected to saturated hydrocarbon cata...
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WO/2023/129688A1 |
A novel Fischer Tropsch (FT) catalyst that has improved thermal characteristics and a highly active surface catalyst coating on a pellet to produce high quality hydrocarbon liquids and waxes even at high reactor temperatures. The catalys...
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WO/2023/115188A1 |
The present invention discloses a monolayer of MoS2 with a high aspect ratio, having 0.7 nm thickness and areas exceeding 62,500 µm2. A process for producing said monolayer is also disclosed, comprising essentially a mechanical micro-ex...
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WO/2023/108788A1 |
A catalyst for the continuous production of 1,1,1,3-tetrachloropropane in a gas-solid phase reaction, a preparation method therefor and the use thereof. The catalyst comprises a zero-valent iron and phosphorus co-modified carbon material...
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WO/2023/114926A1 |
Catalysts and catalytic processes for the synthesis of acrylic acid and other a,b-unsaturated carboxylic acids and their salts, which are carried out in a diluent or in the absence of a diluent. In an aspect, ethylene and CO2 can be cont...
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WO/2023/113019A1 |
The present invention provides a photocatalyst that, with a YTOS composition or a composition in which the yttrium in YTOS is substituted with another element, has markedly improved water splitting ability. Provided is a production metho...
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WO/2023/108948A1 |
The present invention relates to a preparation method for a Cu2S/CuInS2/ZnIn2S4 composite photocatalyst and the use thereof, and belongs to the technical field of photocatalytic materials. In order to solve the existing problem of poor d...
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WO/2023/111537A1 |
The specification describes a method for the production of a hydrochlorination catalyst, comprising the steps of: i) preparing an impregnation solution by combining a source of gold and a ligand in a solvent, wherein the solvent comprise...
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WO/2023/108950A1 |
The present invention relates to a preparation method for a Z-scheme α-Fe2O3/ZnIn2S4 composite photocatalyst and a use thereof, in the technical field of photocatalytic materials, In order to solve the existing problem of poor activity,...
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WO/2023/064834A9 |
A method for oxidative brightening and whitening of a mined mineral is provided. The mined mineral to be brightened may be discolored kaolin clay, such as gray clay. The inventive method comprises adding to an aqueous slurry of a mined m...
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