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JP7297927B2 |
The present invention relates to a process for recycling glass fiber-reinforced plastics, in particular plastics based on polyamide, polybutylene terephthalate or polyethylene terephthalate, to recover both the monomers of the polymer an...
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JP7270844B2 |
The invention relates to a method for producing a mixture of recycled terephthalic acid (r-TA) and recycled iso-terephthalic acid (r-IA) from condensation polymer waste (CP waste) to obtain a mixture of r-TA and r-IA having set r-IA isom...
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JP2023052711A |
To provide a technology for releasing biologically active substance using long-wavelength light with high bio-permeability that is intended for biological treatment, etc.By irradiating a caged compound represented by general formula (I) ...
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JP7255850B2 |
To provide a method of producing alcohol and aldehyde by more efficient direct oxidation of gaseous alkane such as methane, ethane and propane.The method comprises producing alcohol and aldehyde by direct oxidation of gaseous alkane by a...
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JP2023036645A |
To provide a method of producing a high quality material containing cellulose and terephthalic acid (TPA) having less influence on an environment from waste fabric.A method for producing cellulose and terephthalic acid (TPA) from waste f...
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JP7236431B2 |
There is disclosed a process for the separation of long chain amino acid and long chain dibasic acid, comprising: (1) mixing the mixed amide derivatives with an aqueous solution of ammonia or ammonium hydroxide in the presence or absence...
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JP2023026830A |
To provide: a supported catalyst which makes it possible to obtain a partial oxide directly in a sufficient amount and which can reduce an amount of a complete oxide generated by oxidizing a hydrocarbon; a production method of this suppo...
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JP7225136B2 |
The invention relates to a process for producing olefins from alcohols by means of catalytic dehydration. More in particular, the present invention relates to a process for producing at least one olefin by dehydrating at least one alcoho...
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JP2023504345A |
The present invention relates to compounds of formula (I) as perfume precursor compounds. In particular, the present invention provides a compound which is a carbonyl of formula (II), a formate of formula (III), and/or an alcohol of form...
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JP7210007B2 |
To provide a method capable of manufacturing an oxidation reaction product of a hydrocarbon or a derivative thereof in a gas phase by using the hydrocarbon or the derivative thereof as a raw material.The manufacturing method of an oxidat...
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JP2022550847A |
The present invention relates to a method of oxidizing santalene to santalol. The starting material is in particular a mixture containing alpha-santalene, beta-santalene, epi-beta-santalene, trans-alpha-bergamotene and beta-bisabolene. O...
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JP7178119B2 |
The present invention is intended to provide a method that can produce an oxidation reaction product of a hydrocarbon or a derivative thereof in an aqueous phase using a hydrocarbon or a derivative thereof as a raw material. In order to ...
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JP7160721B2 |
To provide a method for producing an iron oxide catalyst that causes little deterioration of catalytic activity over time, suppresses decrease with time in conversion ratio of carboxylic acid and can maintain the selectivity and yield of...
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JP2022163016A |
To provide a new method for producing a fluorinated carboxylic acid salt compound (preferably having a low water content).A production method includes the step for reacting a compound represented by formula (S1): RfCOOR1 with a compound ...
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JP7158275B2 |
To provide a method for producing a hydrolysate of a polyester resin capable of sufficiently decomposing the polyester resin in a short time even at a low temperature and efficiently obtaining a desired hydrolysate from the polyester res...
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JP2022155470A |
To provide a method for producing a catalyst having excellent catalytic activity and yield, which is used in a method for producing acrolein and acrylic acid by catalytic gas phase oxidation of propylene.Provided is a method for producin...
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JP7145486B2 |
To hydrogenate efficiently an aromatic ring of an aromatic compound, by using alcohol and water supplied stably and inexpensively, without using hydrogen gas.In an aromatic ring hydrogenation method, alcohol such as methanol or ethanol, ...
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JP2022134073A |
To provide an environment-friendly alicyclic polycarbonate made of renewable resources.An alicyclic polycarbonate contains a repeating unit represented by formula (1). (in formula (1), R1-R4 are each independently a hydrogen atom, an alk...
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JP2022537049A |
(a) contacting ethyl isobutyrate with a substituted 5-chloropentane in the presence of a first base to form a compound of formula (I), wherein said substituted 5-chloropentane is 1-bromo-5- (b) a compound of formula (I) selected from the...
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JP7122814B2 |
Suggested are 1,2-alkanediols of formula (I) HOCH2-CH(OH)-R1in which R1 stands for an alkyl radical having 3 to 10 carbon atoms, said diols being substantially free of lactones and/or peroxides.
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JP7058024B2 |
The present invention relates to the depolymerization of polymers and the recovery of the starting materials used for the production of the polymer. The present invention also relates to the depolymerization of polyethylene terephthalate...
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JP2022522970A |
One or more reactors configured to generate a process stream containing at least one chemical product from one or more reactants; one or more reactors for introduction into the reactor A feed preparation system configured to prepare one ...
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JP7038628B2 |
A method for separating dimethyl carbonate from methanol includes subjecting a raw material containing dimethyl carbonate and methanol to extractive distillation. The extractant contains an ionic liquid and a compound having a general fo...
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JP6974402B2 |
A plant that consumes a reformed gas obtained by reforming a source gas including at least methane and carbon dioxide includes: a reforming device that includes a reforming catalyst for reforming the source gas and an electric power supp...
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JP6973618B2 |
The present invention provides a catalyst molded body which has high yield and high mechanical strength. This catalyst molded body contains: a catalyst for the production of an unsaturated aldehyde and an unsaturated carboxylic acid, or ...
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JP6938519B2 |
A method for separating a mixture of materials A and B by extractive distillation, using an extraction medium having a higher affinity to B than to A, collecting a liquid fraction on a collecting tray and heated and partially evaporated ...
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JP6932685B2 |
A macromolecules containing metal and a use thereof as a catalyst, said macromolecules containing metal being obtained by causing a ligand to react with a zinc compound or a cobalt compound, said ligand having an imidazole group that is ...
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JP2021127312A |
To provide a method that can produce a high-purity ethylene glycol by permanently removing impurities in a convenient method during an ethylene glycol production process.A method for producing an ethylene glycol includes a hydrolysis ste...
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JP6916366B1 |
To provide a method for producing a diol having a good hue and capable of reducing unsaturated aliphatic hydrocarbons. a) Supply a reaction gas containing metaboric acid, saturated aliphatic hydrocarbon and molecular oxygen to the reacto...
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JP6916364B1 |
To provide a means capable of stably producing metaboric acid. I) Orthoboric acid is dehydrated in the presence of a saturated aliphatic hydrocarbon to obtain a mixture containing metaboric acid, a saturated aliphatic hydrocarbon and wat...
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JP6916365B1 |
To significantly suppress the generation of unsaturated aliphatic hydrocarbons which may be generated in the distillation of a reaction solution containing a borate compound to recover unreacted saturated aliphatic hydrocarbons, and to r...
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JP2021512944A |
The present invention is a method of oxidizing cycloalkanes to produce a product mixture containing the corresponding alcohols and ketones, wherein the cycloalkanes are contacted with a hydroperoxide compound in the presence of a heterog...
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JP6856553B2 |
Provided herein are methods of producing (+)-manool comprising: contacting geranylgeranyl diphosphate with an copalyl diphosphate (CPP) synthase to form a (9S, 10S)-copalyl diphosphate wherein the CPP synthase comprises an amino acid seq...
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JP6853136B2 |
To provide a production method that simultaneously achieves improvement both in a yield of the reaction and a reaction selectivity when producing a polyfluoroalkyl alcohol from a polyfluoroalkyliodide.A polyfluorolakyliodide and a carbox...
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JP6816724B2 |
A method and a system for inexpensively producing a corresponding target ketone and/or alcohol are provided by decomposing hydroperoxide rapidly and with high selectivity using an aqueous alkaline solution and by recovering and recycling...
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JP6820255B2 |
Treprostinil is a synthetic prostacyclin derivative with thrombocyte aggregation inhibitory and vasodilatory activity. Treprostinil can be administered in subcutaneous, intravenous, inhalable, or oral forms. Disclosed is a method for the...
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JP6812869B2 |
To provide a method for producing a composite oxide catalyst which is excellent in conversion ratio of a raw material, has high selectivity of acrolein and acrylic acid and can improve yield even under high load of a composite oxide cata...
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JP6783494B1 |
Provided is a method for producing an organic compound, which can secure a sufficient reaction time and obtain a target substance in a high yield even in an organic reaction that requires a relatively long time to complete the reaction. ...
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JP6752035B2 |
A method for producing at least one oxidation product selected from the group consisting of acrolein and acrylic acid is provided. This method can alleviate concerns about deterioration of a gas-phase oxidation catalyst and reaction runa...
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JP6739434B2 |
The present invention concerns a method of oxidizing a cycloalkane to form a product mixture containing a corresponding alcohol and ketone, said method comprising contacting a cycloalkane with a hydroperoxide compound in the presence of ...
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JP6733992B2 |
A method of forming homoallylic compounds 2 from cyclopropylvinyl precursors 1 in the presence of a Bronsted acid HQ
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JP6698654B2 |
The present invention relates to the field of chemical processes and, more particularly, it concerns valuable new chemical intermediates of formula (IV) for producing perfuming ingredients.
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JP6698166B2 |
The disclosure generally provides methods for preparing compositions comprising alkanolamine alkylamides and polyols. This disclosure further relates to methods for preparing compositions comprising alkanolamine alkylamides and polyols t...
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JP6694884B2 |
Provided is a method for producing an unsaturated aldehyde and/or an unsaturated carboxylic acid, which enables one to achieve an operation stably over a long period of time while improving an effective yield, even in a high-load reactio...
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JP6683708B2 |
A catalytic composition useful for the conversion of an olefin selected from the group consisting of propylene, isobutylene or mixtures thereof, to acrylonitrile, methacrylonitrile, and mixtures thereof. The catalytic composition compris...
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JP6666473B2 |
This present disclosure relates to processes and apparatuses for use of a single dividing wall distillation column for phenol fractionation. More specifically, the present disclosure relates to processes and apparatuses for phenol fracti...
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JP2020037545A |
To provide an oxygen isotope-labeled carboxylate compound useful as a supply source of oxygen isotope.There is provided an oxygen isotope-labeled carboxylate compound obtained by reacting pivalonitrile represented by the following formul...
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JP2020033336A |
To provide a novel method for producing an oxide of an organic compound.The method for producing an oxide of an organic compound includes a step of bringing the organic compound into contact with an oxidizing agent in the presence of a c...
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JP6658389B2 |
To provide a composite oxide catalyst which, when unsaturated aldehydes and/or unsaturated carboxylic acids are produced by using the same through a gas phase catalytic oxidation of olefins or tert-butanol, can suppress pressure loss, in...
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JP6651196B2 |
To provide a method for manufacturing a Ccompound at high yield while maintaining carbon atom number of sugar alcohol by water phase modification of a part of sugar alcohol having 5 or 6 carbon atoms and hydrogenolysis of the balance.The...
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