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Matches 1 - 50 out of 6,938

Document Document Title
WO/2022/160357A1
Disclosed are a monomer for a polymer gel, a polymer gel and a preparation method therefor. The preparation method comprises: reacting 4,4',4''-trihydroxytriphenylmethane with tert-butyldimethylchlorosilane to obtain TPC-OTBS; reacting 4...  
WO/2022/162083A1
A polymer film comprising anionic groups and 0.008 to 25mg/g of each of components (a) and (b): (a) a crosslinking agent which is free from fluoro groups and comprises a group of Formula (I); and (b) a non-ionic crosslinking agent; Formu...  
WO/2022/165515A1
A process for producing a sulfamyl fluoride composition includes providing a solution comprising fluorosulfonic acid, urea and a solvent; reacting the solution at a reaction temperature from 80°C to about 170°C to produce a mixture inc...  
WO/2022/149081A1
The present invention relates to an improved process for the preparation of an compound useful in the preparation of anti-androgenic compound.The present invention specifically relates to an improved process for the preparation of Tamsul...  
WO/2022/138603A1
A sulfonate composition production method comprising: reacting a diester (hereinafter, the (A) component) of a prescribed unsaturated carboxylic acid with (C) a sulfonating agent in the presence of (B) at least one solvent selected from ...  
WO/2022/138602A1
The present invention is a sulfonate composition comprising, in predetermined mass ratios, (A) a compound represented by formula (1), (B) an organic solvent, (C) an inorganic metallic compound, and (D) water. (1): ROOC-(CH2)p-CH(SO3M)-CH...  
WO/2022/138659A1
Provided is a method for producing a fluorovinyl ether compound capable of suppressing the generation of by-products. The method for producing a fluorovinyl ether compound of the present invention is a method for producing a fluoroviny...  
WO/2022/122556A1
The present invention relates to a method for the decomposition, removal or destruction of at least one peroxo compound, the use of an alkane and sulfur trioxide for decomposing peroxo compounds, and a method for manufacturing CO and/or ...  
WO/2022/117575A1
The present invention refers to a route for the conversion of ethane to ethylene glycol which involves reacting ethane with concentrated sulfuric acid in the presence of an iodine compound. In particular, the present invention includes a...  
WO/2022/116596A1
The invention relates to a concrete micro-foaming agent. The concrete micro-foaming agent contains the following components in parts by weight: 100-150 parts of a sulfonating agent, 0-100 parts of an alkaline agent, 100-200 parts of a un...  
WO/2022/099826A1
The present invention relates to a Gemini polyoxyethylene ether succinate surfactant for oil displacement and a preparation method therefor. The present invention is characterized in that the surfactant is a Gemini alkylphenol polyoxyeth...  
WO/2022/100195A1
The present disclosure provides a method for preparing 2-fluoro-5-methoxybenzenesulfonyl chloride. 3-bromo-4-fluoroanisole is used as a raw material and reacts with a metal or metal reagent to obtain an aryl metal reagent, which then rea...  
WO/2022/093716A1
Electrode or electrolyte additives for energy storage devices comprising symmetrical or asymmetrical alkylsulfonyl imide or cyclic alkylene sulfonylimide salts are disclosed. The energy storage device comprises a first electrode and a se...  
WO/2022/084046A1
The present invention relates to a process for preparing methyl methacrylate (MMA) and/or methacrylic acid (MAS) with improved yield, comprising the process steps of amidation, conversion and hydrolysis/esterification, especially high yi...  
WO/2022/084032A1
The invention relates to an improved process for synthesizing alkyl methacrylates, in particular methyl methacrylate (MMA), involving reacting acetone cyanohydrin (ACH) and sulfuric acid in a first reaction stage (amidation) and heating ...  
WO/2022/084274A1
The invention relates to an improved process for synthesizing methacrylic acid and/or alkyl methacrylates, in particular methyl methacrylate (MMA), involving reacting acetone and hydrogen cyanide in the presence of an alkaline catalyst i...  
WO/2022/079595A1
Embodiments of the present disclosure generally relate to processes for converting disulfides to conversion products and to processes for producing cysteic acid. In an embodiment, a process for converting cystine to a conversion product ...  
WO/2022/069385A1
A polymer film obtainable by curing a composition comprising a compound of Formula (I) wherein: R' is vinyl, epoxy or C1-3-alkylenethiol: n has a value of 1 or 2; m has a value of 1, 2 or 3; M'+ is a cation; wherein X is as defined in th...  
WO/2022/056700A1
A photosensitive resin and a photoresist composition using same. The photosensitive resin comprises resin-type photosensitive anions and sulfonium salt cations, wherein in the structural formula of the resin-type photosensitive anion, R1...  
WO/2022/055781A1
There is disclosed a process for recovering monoethanolamine from an aqueous mother liquor solution comprising the steps of: (a) adding excess ammonia or alkali hydroxide and a solvent to the aqueous solution comprised of monoethanolamin...  
WO/2022/055780A1
There is disclosed a cyclic process for producing taurine from monoethanolamine comprising the steps of: (a) recovering monoethanolamine sulfate from an aqueous mother liquor solution; (b) reacting the monoethanolamine sulfate with sulfu...  
WO/2022/052683A1
The present invention provides a method for preparing a water-soluble magnolol derivative and a honokiol derivative, methods for preparing intermediates of a water-soluble magnolol derivative and a honokiol derivative, and a related mono...  
WO/2022/055782A1
There is disclosed a cyclic process for producing taurine from monoethanolamine comprising the steps of: (a) reacting monoethanolamine with ammonium sulfate in the recycling mother liquor to yield monoethanolamine sulfate; (b) reacting t...  
WO/2022/046540A1
Haloalkane sulfonic acids and salts thereof are provided. In embodiments, a haloalkane sulfonic acid or salt thereof comprises an alkyl group, at least one sulfonic acid group, and one or more halogens selected from Cl, Br, I, and F, the...  
WO/2022/038561A1
Methods of producing N,N-branched sulfamoyl fluoride compounds of the formula F-S(O)2-NR2 by contacting bismuth trifluoride with an N,N-branched sulfamoyl nonfluorohalide compound of the formula X-SO2NR2, wherein X = chlorine (C1), bromi...  
WO/2022/032868A1
Disclosed are a reaction system and method for preparing sodium N-methyltaurate. The reaction system comprises: an amination reaction kettle, an amination reaction product from which undergoes a reaction in a tubular reactor and then ent...  
WO/2022/032869A1
Provided are a micro-interface strengthening system and method for preparing sodium N-methyl taurate, comprising an amination reaction kettle. A amination reaction product from the amination reaction kettle enters a first gas-liquid sepa...  
WO/2022/022367A1
Provided is a method for preparing a high-purity crystal. Specifically, the present invention relates to a method for preparing a Lenvatinib mesylate crystal C. The method comprises the following steps: 1) dissolving a Lenvatinib free ba...  
WO/2022/004673A1
Provided are: a compound having excellent effect against various pests, and an intermediate of the compound; an agricultural and horticultural agent utilizing the compound; a method for producing the compound or the intermediate; and a m...  
WO/2021/241086A1
The present invention is provided with an actinic-ray-sensitive or radiation-sensitive resin composition, a resist film, a pattern formation method, an electronic device manufacturing method, a compound, and a compound production method ...  
WO/2021/241725A1
The present invention addresses the problem of providing N-(5-methoxy-2-phenoxyphenyl)methanesulfonamide with a reduced amount of impurities; and a method for producing the same. According to the present invention, provided are: N-(5-met...  
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...  
WO/2021/204712A1
The invention relates to a process for the preparation of a compound of formula [Chem I], formula (I), said method being characterized in that it comprises at least one step of oxidizing sulfonated triphenyl methane of formula [Chem V] w...  
WO/2021/204711A1
Disclosed is a process for synthesizing a compound of formula [Chem I], comprising at least the following steps: a) condensing a benzaldehyde compound of formula [Chem II] with dialkyl aniline of formula [Chem III] to obtain triphenyl me...  
WO/2021/195000A1
A process for producing taurine, comprising mixing aminoethanol sulfate ester (AES) and a carbon dioxide, thus producing a reaction mixture, and heating the reaction mixture in the presence of a sulfite or a bisulfite, or combination the...  
WO/2021/195001A1
A process for producing taurine, comprising mixing aminoethanol sulfate ester (AES) and a carbonate or bicarbonate, or combination thereof, thus producing a reaction mixture, and heating the reaction mixture in the presence of a sulfite ...  
WO/2021/180080A1
Disclosed in the present invention are a compound and a preparation method therefor, wherein the compound has a structure as shown in formula (I) and formula (II). The compound is used in the prevention or treatment of myopia-related dis...  
WO/2021/183377A1
A process is provided for producing linear alkylbenzenes with an improved yield from paraffin feed due to the use of a new catalyst that has a reduced selectivity to produce undesired aromatic compounds. In some embodiments, it is now po...  
WO/2021/174748A1
The present invention relates to a method for preparing a visible light catalyzed dichlorine addition product of an aliphatic olefin, comprising the following steps: using an aliphatic olefin as a substrate, using copper chloride having ...  
WO/2021/161942A1
The present invention provides an industrially advantageous method for producing an alkanedisulfonic acid compound, said method being capable of easily producing an alkanedisulfonic acid compound with a high yield at a low cost. The pr...  
WO/2021/161944A1
Provided is an industrially advantageous method which is for producing an alkane disulfonic acid compound and by which an alkane disulfonic acid compound can be easily and inexpensively produced at high yield. The present invention is ...  
WO/2021/156406A1
The present invention relates to a process for preparing 8-hydroxy-9,10-dioxo-anthracene-1- carboxylic acid. It also relates to a method for preparing an anthraquinone derivative comprising a step for preparing 8-hydroxy-9,10-dioxo-anthr...  
WO/2021/153847A1
The present invention relates to a method for acidifying terephthalylidene dicamphor sulfonate and, more specifically, to a method for converting terephthalylidene dicamphor sulfonate into terephthalylidene dicamphor sulfonic acid using ...  
WO/2021/143954A2
Disclosed in the present invention is a crystalline form of fluvatinib or fluvatinib methanesulfonate, and a preparation method therefor. The crystalline form I of the fluvatinib has characteristic diffraction peaks as shown in FIG. 1. T...  
WO/2021/145729A1
The present invention relates to a method for preparing a biomaterial having selectively functionalized tyrosine, a biomaterial having selectively functionalized tyrosine, and a pharmaceutical composition containing the same as an active...  
WO/2021/120957A9
The present application relates to a method for preparing taurine and a method for recovering a mother liquor thereof. The method for recovering the taurine mother liquor comprises: providing a taurine mother liquor, and mixing the tauri...  
WO/2021/129268A1
Disclosed is a method for preparing an iron oxide red pigment and simultaneously producing aromatic amine. Firstly, with the use of a catalyst, a nitroaromatic compound serving as an oxidant and ferrous iron are used to prepare seed crys...  
WO/2021/128220A1
The present invention provides a sodium taurate preparation method, comprising: dissolving sodium hydroxyethyl sulfonate and a raw material sodium taurate into a guanidyl-containing ionic liquid to undergo a reaction to obtain an ionic l...  
WO/2021/128917A1
Provided are a continuous ammonolysis reaction system, and a method for preparing taurine alkali metal salt and taurine using the continuous ammonolysis reaction system. The continuous ammonolysis reaction system comprises a high-pressur...  
WO/2021/127743A1
The present disclosure relates to substituted hydroxystilbene compounds and derivatives, specifically 2-substituted hydroxystilbene compounds and derivatives, the synthesis of such compounds and their use in therapy.  

Matches 1 - 50 out of 6,938