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WO/2022/243043A1 |
The present invention relates to a method for obtaining a dialkyl phthalate and a reusable target PVC plastics material from a PVC feedstock containing at least one phthalate, comprising: a) solid-liquid extraction of the PVC feedstock i...
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WO/2022/243832A1 |
The present invention relates to a process for depolymerizing a material comprising polyethylene terephthalate (PET) by glycolysis with ethylene glycol (EG), comprising reacting the material comprising PET with EG in the presence of at l...
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WO/2022/242883A1 |
The present invention relates to a process for producing high-grade tricaprylin and to the tricaprylin thus prepared as well as to its respective uses and applications.
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WO/2022/242882A1 |
The present invention relates to a process for producing high-grade fatty acid polyol esters, particularly fatty acid glycerol esters, and to the products thus prepared as well as to their respective uses and applications.
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WO/2022/243038A1 |
The present invention relates to a process for preparing polymerization-prone, in particular hydroxy-functional compounds, more particularly (meth)acrylates, using at least one suitable reactor, an intermediate container in which the raw...
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WO/2022/238144A1 |
The present invention relates to a new method for reducing the yellowness index value of alkyl (meth)acrylates, in particular MMA, and of polymers which were produced from these alkyl (meth)acrylates. The new method develops this effect ...
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WO/2022/236524A1 |
Provided is a preparation method for a compound of formula I and an intermediate compound of formula a thereof. The preparation method for the compound of formula I comprises: the compound of formula a and a compound of formula (aa) unde...
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WO/2022/233310A1 |
The present invention provides a salvianolic acid A salt hydrate, a preparation method therefor, and the use thereof. Specifically, the salvianolic acid A salt hydrate provided in the present invention is a crystal formed by salvianolic ...
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WO/2022/235436A1 |
Recycled content triacetin (r-triacetin) is produced using a process and system that applies physical and/or credit-based recycled content from one or more feed materials to triacetin produced from the feed materials.
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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/2022/233428A1 |
A method for synthesizing xanthohumol (XN) from naringenin comprising steps of acylating hydroxyl groups of a naringenin flavone moiety to obtain an acylation product, a reaction of conversion of the flavone moiety into a chalcone moiety...
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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/2022/229213A1 |
The present invention relates to the formation of compound of the formula (I) by reacting 2,3,6-trimethylhydroquinone or a protected derivative thereof with the unsaturated alcohol of formula (IIIa) or (IIIb) in the presence of Gd(OTf)3 ...
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WO/2022/227459A1 |
Disclosed are a polycarbonate and a synthesis method therefor, and a rigid monomer and a preparation method therefor. The polycarbonate comprises the structural unit as shown in formula (i) below; in addition, the polycarbonate can be sy...
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WO/2022/222382A1 |
The present application provides an Uvaria grandiflora plant-derived fungicide, a preparation method therefor, and an application thereof. The broad-spectrum plant-derived fungicide provided in the present application comprises: Uvaria g...
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WO/2022/226156A1 |
Provided according to embodiments of the invention are methods of forming a lipstatin derivative, (S)-1-((2S,3S)-3-ethyl-4-oxooxetan-2-yl) tridecan-2-yl formyl-L-alaninate. Such methods include one or more reaction steps that include the...
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WO/2022/222271A1 |
Disclosed in the present invention is a co-production process of methyl 3-hydroxy-2-methylbenzoate and methyl 3-methoxy-2-methylbenzoate, comprising the following steps: (1) reduction hydrogenation reaction: by taking 2-methyl-3-nitroben...
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WO/2022/220543A1 |
The present invention relates to a method for producing a terephthalate derivative from dimethyl terephthalate, wherein the terephthalate derivative can be produced with high yield through a simple process by optimizing reaction conditio...
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WO/2022/220139A1 |
A method for producing a desired compound represented by formula (1), the method comprising a step (A) for subjecting a mixed solution containing a starting compound represented by formula (2) and a solvent to hydrogenation reduction in ...
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WO/2022/213904A1 |
Provided in the present invention are an intramolecular complex hindered phenol compound, a preparation method therefor and the use thereof. The intramolecular complex hindered phenol compound has a structure as represented by formula I,...
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WO/2022/215002A1 |
The present disclosure provides methods for producing a compound having a chemical formula of Formula I, wherein R1 and R2 are independently a i) linear or branched or cyclic, ii) saturated or unsaturated, and iii) substituted or unsubst...
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WO/2022/214921A1 |
The present invention relates to an improved process for the preparation of intermediate compounds used in the preparation of Antihistamine agents. The present invention specifically relates to an improved process for the preparation of ...
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WO/2022/212727A1 |
Described herein are methods for making acrylic acid from polylactic acid (PLA) or diluted lactic acid in liquid phase in an efficient manner by using an ionic liquid and an acid catalyst, wherein the ionic liquid comprises a DBU-based s...
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WO/2022/201533A1 |
A catalyst for the production of a carboxylic acid ester, the catalyst comprising catalyst metal particles and a carrier that supports the catalyst metal particles. With respect to this catalyst for the production of a carboxylic acid es...
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WO/2022/200579A1 |
The present invention provides, inter alia, a process for producing a compound of formula (I) wherein the substituents are as defined in claim 1. The present invention further provides intermediate compounds utilised in said process, and...
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WO/2022/204490A1 |
Ferrocenyl-based unsymmetrical ligands containing di(l-adamantyl)phosphino groups with general formula, Fc(Ad2P)(R2P) and corresponding metal complexes, include metal halide complexes, N-biphenyl metal cationic complexes and R-allyl meta...
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WO/2022/195288A1 |
The invention relates to a process for preparing an N-acylethanolamide derivative.
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WO/2022/194587A2 |
A method for the recycling of organic polymers such as polyethylene terephthalate (PET) to produce useful chemical intermediates based on their monomeric components. These monomeric components can then be further used to reconstitute rec...
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WO/2022/192978A1 |
The present invention relates to a functionalized cellulose, in which the cellulose comprises hydrophobic ester groups from fatty acids, and also to processes and methods for functionalizing cellulose that produce cellulose with increase...
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WO/2022/192521A1 |
Provided are methods for the isolation of phorbol from seed sources and the use of the phorbol for the generation of tigliane tiglate and derivatives thereof.
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WO/2022/190141A1 |
A process for the efficient co-production of dialkyl-succinate and 1,4-butanediol by catalytic hydrogenation of dialkyl maleate comprising essentially the following steps: (i) hydrogenating a stream of dialkyl maleate in a first stage of...
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WO/2022/181740A1 |
[Problem] To provide: a composition which is for thick film resist and with which cracks in a resist film are suppressed and a pattern with a favorable surface condition can be formed; and an acetal compound from which the same can be fo...
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WO/2022/180215A1 |
Disclosed herein are compounds, including cardanol derivates based upon cashew nut shell liquid, of the following structure: (Ia); wherein R1 is H or CH3; R2 is a C Y alkyl chain having a number of H atoms defined by the expression X (2Y...
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WO/2022/181518A1 |
A problem addressed by the present invention is to provide a method for producing a dicarboxylate monoester having excellent dicarboxylate monoester selectivity and yield. The method for producing a dicarboxylate monoester of the present...
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WO/2022/181519A1 |
The present invention addresses the problem of providing: a method for producing a dicarboxylic acid monoester, the method having excellent selectivity of the dicarboxylic acid monoester; and a novel dicarboxylic acid monoester salt. A m...
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WO/2022/180563A1 |
Process for producing bis (2-hydroxyethyl) terephthalate in liquid form by depolymerization of polyethylene terephthalate (PET), wherein BHET obtained from depolymerization by glycolysis with monoethylene glycol (MEG) is purified and sub...
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WO/2022/175122A1 |
The present invention pertains to a process for producing a distillate product with a methanol concentration greater than the concentration of methanol in the minimum boiling azeotrope of methanol and methyl (meth)acrylate from a mixture...
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WO/2022/176837A1 |
A method for producing a cyclohexenone compound that includes an isomerization step that brings a reaction raw material including a compound represented by formula (4) into contact with an isomerization catalyst in a solvent to obtain a ...
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WO/2022/175508A1 |
The present invention is directed to methods for the preparation of (CnF2n+1)O-substituted arenes and heteroarenes and the direct perfluoralkoxylation of arenes and heteroarenes with a (CnF2n+1)O-group, respectively, characterized in tha...
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WO/2022/175141A1 |
The invention relates to aqueous compositions comprising 6-undecanol-esters and methods for producing 6-undecanol-esters, as well as the use of 6-undecanol-esters in cosmetic applications.
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WO/2022/171874A1 |
The present invention relates to a method and apparatus for recycling polymers, in particular to a method for recycling polyethylene terephthalate (PET) to produce bis(2- hydroxyethyl) terephthalate (BHET). The BHET produced using the me...
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WO/2022/171880A1 |
The present invention relates to a method for preparing polymers, in particular to a method for preparing recycled polymers from polyethylene terephthalate (PET). The method comprises producing a high quality BHET product which is used a...
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WO/2022/171965A1 |
The present invention relates to a method for synthesising a pheromone of general formula selected from the group comprising compounds (I) and (I'), alone or in admixture: (I) (I') comprising reacting (2E)-pentene-1,5-diyl diacetate with...
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WO/2022/171029A1 |
Disclosed in the present invention is a polyester degradation method. Specifically, the polyester degradation method disclosed in the present invention comprises the following steps: degrading a polyester under the action of a carboxylic...
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WO/2022/170408A1 |
The present invention relates to a method for producing olefins and esters in the C10 to C13 range from fatty acid esters by means of a catalytic hydrogenation reaction followed by cross-metathesis of the hydrogenated product with light ...
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WO/2022/171954A1 |
The invention relates to the manufacturing of alkyl acrylates by direct esterification of acrylic acid with the corresponding alcohol. In particular, the invention relates to the use of a cracker in combination with a topping column equi...
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WO/2022/166540A1 |
Disclosed in the present invention is a process method for preparing glycol maleate. The process method comprises the following steps: (1) performing a pre-esterification reaction on maleic anhydride and lower aliphatic alcohol in a pre-...
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WO/2022/167318A1 |
The present invention relates to a process for preparing mixed polyol carboxylic acid esters having a molecular weight of greater than or equal to 200 g/mol and smaller than or equal to 1000 g/mol, wherein a polyol is reacted in an at le...
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WO/2022/165662A1 |
Disclosed is a method for preparing glycolic acid and methyl glycolate by hydrolysis of methyl methoxyacetate and methoxyacetic acid. The method comprises: contacting a raw material comprising methyl methoxyacetate, methoxyacetic acid, a...
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WO/2022/163360A1 |
Provided is a method for producing a (meth)acrylic acid ester compound, the method making it possible to carry out esterification at a high introduction rate and to efficiently recover the resultant ester compound.　The present inventio...
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