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WO/2021/243224A1 |
The disclosure relates to a method for recovering a malonate comprising a compound of the formula HOC(O)CH2C(O)OM, wherein M is a Group I alkali metal cation or ammonium cation, the method comprising the steps of a) removing water from a...
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WO/2021/239568A1 |
The present invention relates to a process for the preparation of substituted 4-(N'-hydroxy- carbamimidoyl)benzoic acids, which can be obtained by nitrilase catalyzed hydration of substituted terephthalonitriles of formula (II) in an aqu...
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WO/2021/239483A1 |
A shaped catalyst body for heterogeneously catalyzed reactions of organic compounds in the gas-phase in fixed-bed reactors, containing an element from group 3 to 12 of the Periodic Table of the Elements, and having a three-lobed structur...
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WO/2021/233839A1 |
The present invention relates to a method for preparing acrylic acid from β-propriolactane and to the uses thereof. The process of the invention is based on a specific reactivity of β-propriolactane whereby acrylic acid is formed under...
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WO/2021/234717A1 |
This invention discloses a process of conversion of Carbon Dioxide (CO2) into methane, methanol, formic acids or other fuels or chemicals, characterized by the use of Magnesium (Mg) nanoparticles (NPs) or bulk Mg for the conversion proce...
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WO/2021/233732A1 |
The present invention relates to a method of producing linear fatty acids comprising 7 to 28 carbon atoms or esters thereof using a combined biotechnological and chemical method. In particular, the present invention relates to a method o...
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WO/2021/226711A1 |
Disclosed are methods for preparing carmabigerol (CBG) or a CBG analog, embodiments of the method comprising providing a compound (I); combining the compound (I) with geraniol and a solvent to form a reaction mixture; and combining the r...
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WO/2021/231556A1 |
Processes for the oxidation of carbohydrate dehydration products, such as furanics that can be oxidized to the bio-based monomer 2,5-furandicarboxylic acid (FDCA), are disclosed, according to which certain co-feeds, having been discovere...
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WO/2021/223398A1 |
Provided in the present invention is a crystal form for treating a liver disease of tenofovir phosphate(9-[(2R)-2-[(2R,4S)-4-(3-chlorophenyl)-2-oxo-1,3,2-
dioxaphosphorinane-2-methoxy]propyl]adenine fumarate), paladovir mesylate((+)-cis-...
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WO/2021/225956A1 |
A method of synthesizing anhydrous lactic acid is provided by reacting a compound of formula (Ia): with an acid compound of formula HnX in a first solvent to produce a reaction mixture comprising a compound of formula (Ib) and a lactic a...
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WO/2021/224934A1 |
Disclosed is a process (100) for conversion of N-tertiary butyl acrylamide to tert-butylamine and salts of propionic acid. The process comprises of first selectively reducing the vinylic double bond in N-tertiary butyl acrylamide by cata...
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WO/2021/224303A2 |
According to a first aspect, the invention relates to a polyethylene-type polymer comprising methylene groups (CH2) and at least one functional group selected from group O-C(=O) and group O-C(=O)-O, the polyethylene-type polymer having a...
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WO/2021/224063A1 |
The invention relates to a simple and efficient metal-free method for oxidative cleavage of vic-diols, in particular those derived from fatty esters, to the corresponding carboxylic acids, using a cheap, safe and environmentally friendly...
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WO/2021/219933A1 |
A heteroazeotropic extractive distillation method comprises distilling (300), in a distillation column (100), a mixture (104) of water, at least acetic acid and formic acid and furfural, the furfural being used as a former of azeotrope a...
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WO/2021/218669A1 |
A method for realizing high-efficiency circulation of vanadium and sulfuric acid with trace DMSO to catalyze biomass in order to prepare formic acid. The method comprises firstly placing biomass or domestic waste into dilute sulphuric ac...
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WO/2021/216629A1 |
This disclosure relates to processes to form arylcyclopropyl carboxylic acids useful in forming molecules having pesticidal utility against pests in Phyla Arthropoda, Mollusca, and Nematoda.
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WO/2021/208951A1 |
Disclosed is a β-diketone cerium (IV) compound of formula (I). The compound has a wide absorption band, is suitable for near ultraviolet-visible region curing as a photoinitiator, and has a high sensitiveness, while also having the adva...
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WO/2021/211423A1 |
A method for depolymerizing a polyester may comprise heating a polyester at a temperature and for a period of time in the presence of a supported metal-dioxo catalyst, optionally, in the presence of H2, to induce hydrogenolysis of ester ...
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WO/2021/204585A1 |
The present disclosure relates generally to processes and systems for production of acetic acid. In one aspect, the disclosure provides a process for producing acetic acid that includes contacting carbon monoxide and one or more of metha...
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WO/2021/205090A1 |
The invention relates to a method for the continuous production of acrylic acid in the absence of an organic solvent and in the absence of a chemical treatment of the aldehydes, and without using a partitioned column, from a gaseous reac...
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WO/2021/203256A1 |
Privided are antifoulant compounds or compositions used for inhibiting or reducing the deposition of ammonium salts.
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WO/2021/196383A1 |
An external micro-interface unit enhanced reaction system and process for production of PTA from PX. The system comprises a reactor, a first micro-interface generator (17), and a second micro-interface generator (18); the reactor compris...
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WO/2021/202270A1 |
Continuous acetic acid production with a process to remove and/or reduce permanganate reducing compounds (PRCs), including acetaldehyde. The process involves obtaining a stream comprising the PRCs and removing water from the stream throu...
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WO/2021/199589A1 |
The present invention more efficiently produces a glycolic acid salt, which can be a starting material (an intermediate product) for the production of glycolic acid, by means of a simple process. A method for producing a glycolic acid ...
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WO/2021/200689A1 |
The present invention provides a catalyst which enables the production of isobutylene with high selectivity in cases where isobutylene is produced by means of dehydration of isobutanol. A catalyst according to the present invention conta...
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WO/2021/196386A1 |
A built-in micro-interface oxidation system for preparing terephthalic acid from p-xylene. The oxidation system comprises: a first reactor (10), a rectifying tower (20) and a second reactor (30), which are sequentially connected, wherein...
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WO/2021/196385A1 |
An oxidation enhancement system for producing PTA by PX having an external micro-interface unit, comprising: a reactor, a circulating heat exchange device and a micro-interface unit; the reactor comprises a housing (10) and an inner cyli...
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WO/2021/196349A1 |
An organic acid salt of nicotinamide riboside; the organic acid is selected from malic acid, citric acid, royal jelly acid, and so on, and the molar ratio of nicotinamide riboside to organic acid is 1:2 or 1:1. A compound composition of ...
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WO/2021/200795A1 |
The present invention provides a method for producing isobutylene from isobutanol with high selectivity under pressure, while suppressing decrease in the conversion rate of isobutanol. A method for producing isobutylene according to the ...
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WO/2021/200785A1 |
Provided is a method for energy-efficiently producing purified acetic acid from a mixed solution comprising acetic acid, an organic solvent, and water. The method, which is for producing purified acetic acid from a mixed solution compr...
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WO/2021/198014A1 |
The present invention relates to an improved process for the production of methacrylates, in particular methacrylic acid and/or methyl methacrylate (MMA). Furthermore, the present invention relates to a process and specific embodiments o...
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WO/2021/196384A1 |
The present invention provides a reaction enhancement system and process for producing PTA by PX having a built-in micro-interface unit. Said system comprises: a reactor and a micro-interface unit provided within the reactor; the reactor...
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WO/2021/191876A1 |
Methods for the synthesis of methyl 2-fluoroacrylate (MFA) are provided. The methods include use of various hydrofluorination agents using a variety of starting materials and reaction schemes. The methyl 2-fluoroacrylate prepared by the ...
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WO/2021/193511A1 |
Provided is a method for producing a purified acetic acid that exhibits good color. The method for producing a purified acetic acid comprises treating acetic acid having poor color with a synthetic adsorbent to yield acetic having improv...
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WO/2021/194380A1 |
The invention relates to a method for producing a crystalline form of calcium cis-2,3-epoxysuccinate using a seed crystal that is a crystalline form of calcium cis-2,3-epoxysuccinate, the crystals of which belong to the Р21/n space grou...
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WO/2021/194384A1 |
The invention relates to the field of producing metal carboxylates. In particular, the present invention relates to the crystalline form of calcium cis-2,3-epoxysuccinate (salt of 2,3-epoxy-1,4-butanedioic acid) and a method for the prod...
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WO/2021/193565A1 |
In a preferred embodiment, this production method for a cyclic compound or a derivative thereof has: a drying step for subjecting a feedstock liquid containing the cyclic compound or the derivative thereof to a drying treatment to obtain...
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WO/2021/194379A1 |
The invention relates to the field of producing metal carboxylates. More particularly, the invention relates to the field of producing a novel crystalline form of calcium cis-2,3-epoxysuccinate (a salt of 2,3-epoxy-1,4-butanedioic acid) ...
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WO/2021/191042A1 |
Process for inhibiting the undesired free-radical polymerization of acrylic acid present in a liquid phase P, wherein the acrylic acid content of P is at least 10% by weight, the liquid phase P contains in the range from 25 to 1000 ppmw ...
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WO/2021/194383A1 |
The invention relates to the field of producing metal carboxylates. More particularly, the invention relates to the field of producing a novel crystalline form of calcium cis-2,3-epoxysuccinate (a salt of 2,3-epoxy-1,4-butanedioic acid) ...
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WO/2021/187057A1 |
The present invention pertains to a formate production method comprising: a first step for producing a formate by causing a reaction between hydrogen and carbon dioxide in a solution containing a solvent, a catalyst dissolved in the solv...
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WO/2021/186459A1 |
An improved process for photocatalytic hydrocarboxylation of methanol with CO2 to produce acetic acid The present invention discloses a photocatalytic process and methodology for the preparation of acetic acid by a hydrocarboxylation rea...
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WO/2021/185879A1 |
A catalytic process for preparing an α,β-ethylenically unsaturated carboxylic acid salt, comprising a) contacting an alkene and carbon dioxide with a carboxylation catalyst, an organic solvent, and an alkoxide having a secondary or ter...
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WO/2021/180078A1 |
Disclosed is a method for preparing chitosan using snow crab shells, the method comprising the steps of pretreating the crab shells, decalcifying same with a citric acid solution, extracting organic calcium, decalcifying same again, depr...
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WO/2021/177343A1 |
Provided is a method in which a caged compound represented by general formula (I) is irradiated with light in the presence of a photosensitizer to thereby release a compound represented by general formula (II). In cases when X is O, th...
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WO/2021/172423A1 |
The purpose of the present invention is to provide a catalyst capable of improving the selectivity of unsaturated aldehyde and unsaturated carboxylic acid. Provided is a catalyst containing at least molybdenum, antimony, bismuth, and iro...
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WO/2021/172458A1 |
A method for separating water-containing crystals, the method including: a step for generating water-containing crystals from a mixed liquid that contains water, acetic acid, and methacrylic acid; and a step for separating the crystals, ...
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WO/2021/171201A1 |
Disclosed is a process for producing terephthalic acid. The process includes contacting p-xylene with a gaseous stream containing oxygen (O2) in presence of a homogeneous catalyst solution, at a reaction temperature of 180 °C to 195 °C...
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WO/2021/171033A1 |
The invention relates to a process for producing a metal organic framework, wherein the metal organic framework comprises one or more metal ions and one or more organic linkers, wherein the process comprises contacting the one or more me...
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WO/2021/165964A1 |
Industrial fermentation for the production of lactic acid from organic waste combined with chemical recycling of polylactic acid are provided, to obtain lactic acid at high yields.
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