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WO/2022/255125A1 |
Provided are: a high-purity pentacyclopentadecane dimethanol product in which, when liquid chromatography analysis is performed thereon under particular conditions, the area ratio of a total area of peaks appearing in the relative holdin...
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WO/2022/250790A1 |
The present invention relates to processes for the vapor phase hydrogenation of aldehydes. In one embodiment, the process comprises (a) providing a liquid aldehyde stream to a vaporization system to generate a vaporous aldehyde stream in...
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WO/2022/248687A1 |
There is provided a process for the partial condensation of an oxygenate mixture, the process comprising the steps of (a) providing a vapour phase oxygenate mixture obtained from fragmentation of an aqueous solution of carbohydrates; and...
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WO/2022/250568A1 |
A catalyst for the oxidation of methanol to formaldehyde contains a mixture of Fе2(МоО4)3/МоО3 in the form of pellets produced by pelletization. Said catalyst has a porous structure with a total pore volume of 0.15-0.35 cm3/g, of ...
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WO/2022/248809A1 |
The invention relates to a novel method for synthesising aldehyde-terminated pheromones according to the reaction: Where R is a linear aliphatic chain of formula CnH2n-2P+i where n is a natural number greater than or equal to 9 and p is ...
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WO/2022/233879A1 |
A feed mixture comprising at least one C3 olefin and/or at least one C4 olefin may be contacted with a zeolite catalyst under oligomerization reaction conditions to form a product mixture comprising a plurality of olefin oligomers compri...
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WO/2022/233878A1 |
A feed mixture comprising at least one C3 olefin and/or at least one C4 olefin may be contacted with a zeolite catalyst under oligomerization reaction conditions to form a product mixture comprising a plurality of olefin oligomers compri...
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WO/2022/235435A1 |
Recycled content dioctyl adipate (r-DOA) is produced using a process and system that applies credit-based recycled content from one or more feed materials to DOA produced from the feed materials.
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WO/2022/235434A1 |
Recycled content dioctyl terephthalate (r-DOTP) is produced using a process and system that applies credit-based recycled content from one or more feed materials to DOTP produced from the feed materials.
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WO/2022/232109A1 |
The invention includes chemical synthesis for preparing cannabinol (CBN) and cannabinovarin (CBNV). The process is suitable for inter alia the large-scale synthesis of pharmaceutical grade CBN and CBNV.
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WO/2022/223746A1 |
Process and modular system for producing formic acid from carbon dioxide. The process comprises (a) a carbon capture step wherein a source of carbon dioxide is contacted with an alkaline solution to obtain a solution comprising carbonate...
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WO/2022/223363A1 |
The present invention relates to the field of catalytic hydrogenation and, more particularly, to the use of a base-free catalytic system comprising a specific rhodium complex for the reduction of a conjugated dienal or dienone into the c...
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WO/2022/213931A1 |
A prodrug of cannabidiol, a preparation method therefor, and a pharmaceutical composition thereof. The present invention further relates to a use of a compound or pharmaceutical composition containing the prodrug in preparation of drugs ...
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WO/2022/216938A1 |
A process for the production of 4-hydroxybutyraldehyde is described. The process comprises reacting allyl alcohol with a mixture of carbon monoxide and hydrogen in the presence of methylcyclohexane as a reaction solvent and a catalyst sy...
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WO/2022/207619A1 |
The present invention relates to a compound of formula (I) which is used as an aroma chemical to impart a flowery, citrus, watery kind of impression to a composition and also for enhancing and/or modifying the aroma of a composition.The ...
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WO/2022/205717A1 |
A reaction system for preparing butyraldehyde by propylene carbonylation. The reaction system comprises a reactor (10); a catalyst inlet (103), a propylene inlet (102), and a synthesis gas inlet (101) are sequentially formed in the side ...
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WO/2022/207636A1 |
The present invention relates to 2-aryl-pent-4-enal or 2-alkenyl-pent-4-enal derivatives as aroma chemicals. Specifically, it relates to the use of 2-aryl-pent-4-enal or 2-alkenyl-pent- 4-enal derivatives as aroma chemicals and also for ...
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WO/2022/211930A1 |
This disclosure relates to continuous hydroformylation processes. In one aspect, a continuous hydroformylation process comprises: (a) contacting CO, H2, and at least one olefin in the presence of a hydroformylation catalyst in a reaction...
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WO/2022/209855A1 |
A method for producing an aldehyde by a hydroformylation reaction in which a starting material olefin is reacted with hydrogen and carbon monoxide in the presence of a catalyst, wherein the method for producing an aldehyde has a pre-proc...
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WO/2022/198873A1 |
An octanol production system, comprising: a carbonyl reactor (10) and a butyraldehyde separation device (30); the carbonyl reactor (10) is connected to the butyraldehyde separation device (30); an n-butyraldehyde outlet (302) is provided...
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WO/2022/200859A1 |
The present disclosure describes hyperpolarized materials for use in nuclear magnetic resonance, magnetic resonance imaging, or similar applications. The present disclosure describes methods for producing hyperpolarized materials for use...
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WO/2022/202756A1 |
The present invention provides a catalyst which enables the achievement of a high yield of a target product such as an α,β-unsaturated aldehyde and an α,β-unsaturated carboxylic acid. The above are achieved by means of a catalyst con...
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WO/2022/202893A1 |
The purpose of the present invention is to provide a catalyst that has a high selectivity for α,β-unsaturated aldehydes, α,β-unsaturated carboxylic acids, and the like. This catalyst includes at least molybdenum and bismuth, and exhi...
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WO/2022/194772A1 |
The present invention relates to a process for purifying a fermentation must (M) that is obtained by a biotechnological process and contains biomass and vanillin or derivatives thereof, said purification process comprising: (a) a step of...
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WO/2022/194901A1 |
The present invention relates to a method for purifying a fermentation wort (M), which is obtained by a biotechnological method and comprises biomass and vanillin or derivatives thereof in aqueous solution, for the preparation of crystal...
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WO/2022/194771A1 |
The present invention relates to a process for the purification of vanillin or derivatives thereof obtained by a biotechnological process, which method comprises at least one step in which vanillin or the derivatives thereof are separate...
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WO/2022/184493A1 |
The present invention relates to processes for the selective production of propanal from methanol, carbon monoxide and hydrogen, using heterogeneous catalysts comprising one or more transition metals selected from Co, Ni, Cu, Fe, Mn, Mo,...
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WO/2022/186032A1 |
This catalyst contains molybdenum, bismuth, and iron, wherein R1 represented by expression (1) is 0.45-5.00. R1=(maximum value of a peak at 886 cm-1±5 cm-1)÷(maximum value of a peak at 354 cm-1±5 cm-1), as measured by Raman spectrosco...
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WO/2022/187291A1 |
Acrolein is produced by selectively oxidizing iso-propanol over a first mixed metal oxide catalyst in the presence of oxygen in the vapor phase. The first mixed metal oxide catalyst comprises oxides of molybdenum and bismuth. Acrylic aci...
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WO/2022/180394A1 |
A process for separating heavy by-products and catalyst ligand from a vapour stream comprising aldehyde, the heavy by-products and the catalyst ligand is disclosed. The process comprises: passing the vapour stream to a fractionator in wh...
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WO/2022/180642A1 |
The present invention relates to compounds of formula (I), wherein A represents -CH2OH or -CHO, -CH2OAc R1 is an alkyl or alkylidene group, R2 is an alkyl or alkylidene group, dotted line represents double bond or single bond. The presen...
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WO/2022/172968A1 |
The present invention addresses the problem of providing: a method that enables production of terephthalic acid at low cost from a biomass resource by reducing energy consumption, using less number of steps, and improving the yield of te...
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WO/2022/168670A1 |
The purpose of the present invention is to provide a charge transfer complex which enables the achievement of a curable resin composition that has an excellent balance between curability and storage stability if used as an epoxy resin cu...
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WO/2022/161163A1 |
The present invention provides a production process for industrial prenol, comprising the following steps: A) performing depolymerization on polyoxymethylene to generate free formaldehyde; and B) contacting the free formaldehyde with bas...
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WO/2022/154782A1 |
Systems and methods are provided for ozonolysis of polycyclic aromatic hydrocarbons (PAHs) in a liquid CO2 reaction environment. It has been unexpectedly discovered that oxygen- containing functional groups can be added to PAH substrates...
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WO/2022/153003A1 |
The present invention relates to the field of perfumes and flavourings. More particularly, it relates to valencene derivatives and the use thereof as a perfuming or flavouring agent. It also relates to a perfuming or flavouring compositi...
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WO/2022/149532A1 |
Provided are a lignin-degrading catalyst that has exceptional properties for degrading lignin and that readily isolates lignin after a degradation reaction, a method for manufacturing the lignin-degrading catalyst, and a method for degra...
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WO/2022/141699A1 |
A method for preparing a chemical intermediate, 9-fluorenyl formaldehyde. The method comprises the following steps: adding industrial fluorene, a metal alkoxide and ethyl formate to a solvent, and reacting same at 30-80°C for 0.5-10 hou...
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WO/2022/142708A1 |
Disclosed are a composite oxide catalyst, a preparation method therefor, and a use thereof. The catalyst has the following general formula: MoFeaAlbPcOx, wherein a=0.25-0.5, b=0.001-0.2, c=0.001-0.6, and x is a number satisfying the vale...
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WO/2022/142709A1 |
Disclosed are a supported composite oxide catalyst and preparation and use thereof. The catalyst has the general formula: FeMoaSibXcOd, wherein X is a modified metal and is selected from alkali metals or alkaline earth metals; a = 0.5 - ...
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WO/2022/139989A1 |
The present invention relates to hydroformylation reaction processes. In one aspect, a hydroformylation reaction process comprises (a) contacting an olefin, hydrogen, and carbon monoxide in the presence of a homogeneous catalyst in a rea...
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WO/2022/127712A1 |
Disclosed is a method for stereospecific synthesis of 2-enal and 2-enone compounds, and deuterated compounds thereof, comprising reacting 2,3-dienol with organic boric acid, in an organic solvent under the action of a rhodium catalyst, a...
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WO/2022/129575A1 |
Proposed is a process (100-500) for producing a target compound, wherein a first component mixture is subjected to an oxidative dehydrogenation (10) to obtain a second component mixture and wherein at least a portion of the second compon...
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WO/2022/132372A1 |
Embodiments of the present invention are directed to processes to improve rhodium accountability in continuous liquid recycle hydroformylation processes. In some embodiments, a process comprises contacting in a reaction zone reactants co...
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WO/2022/129185A1 |
The present invention generally relates to the production of vanillin and related compounds (such as aromatic carboxylic acids, quinones, etc.) involving the oxidative cleavage of aromatic compounds (such as lignin, lignols, cinnamic aci...
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WO/2022/117522A1 |
The present invention relates to a process for preparing polycyclic aliphatic dialdehydes by hydroformylation of polycyclic aliphatic diolefins in the presence of synthesis gas in an organophosphorus-ligand-modified metal catalyst system...
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WO/2022/119706A1 |
A process for preparing aldehydes from methanol includes introducing a feed stream comprising methanol and hydrogen gas into a reaction zone of a first reactor, converting the feed stream into an intermediate stream comprising C2 to C4 o...
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WO/2022/119708A1 |
A process for preparing aldehydes from synthesis gas includes introducing a first feed stream comprising hydrogen gas and a carbon-containing gas comprising carbon monoxide into a reaction zone of a first reactor, converting the first fe...
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WO/2022/117537A1 |
The present invention relates to a process for preparing aldehydes by hydroformylation of olefins by means of synthesis gas in a transition-metal-complex catalyst, wherein: within a first process step, the olefins are reacted, in the pre...
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WO/2022/118917A1 |
A method for reacting diisobutylene (DIB) with carbon monoxide and hydrogen in the presence of a cobalt catalyst to produce 3,5,5-trimethylhexanal, wherein the method for producing 3,5,5-trimethylhexanal includes a step (first stage reac...
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