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Matches 1 - 50 out of 6,857

Document Document Title
WO/2022/166301A1
The present application relates to the field of cannabis impurity removal, and specifically discloses a cannabis impurity removing method. The cannabis impurity removing method comprises the following steps: S1: pretreatment: drying and ...  
WO/2022/156320A1
Provided in the present invention is a method for preparing chiral alkyl compounds by the asymmetric hydrogenation reaction of iron complex catalysts catalysing olefins: using the disubstituted olefin shown in formula I as a raw material...  
WO/2022/142710A1
Disclosed are a spherical titanium silicalite molecular sieve catalyst and a preparation method therefor. The spherical titanium silicalite molecular sieve catalyst has the following composition: xTiO2·(1-x)SiO2/yMPO4, wherein x is equa...  
WO/2022/141684A1
Provided are a crystal form A, crystal form B, crystal form C and amorphous form of honokiol and a preparation method therefor. The method comprises: dissolving honokiol in n-heptane, standing at room temperature overnight, the precipita...  
WO/2022/145366A1
Provided is a method which is for producing bisphenol A and by which a colored component derived from a polycarbonate resin can be efficiently removed, and bisphenol A having a favorable color tone can be produced. A method for produci...  
WO/2022/142159A1
Disclosed is a preparation method for icetexane type abietane diterpene, comprising the following steps: S1: adding carnosic acid into a methylation system, carrying out solid-liquid separation, and collecting a solid phase to obtain an ...  
WO/2022/144436A1
The present invention refers to a process for the asymmetric synthesis of isopiperitenol and successor compounds.  
WO/2022/140197A1
An improved method for making cannabinoids from plant material utilizes the following steps. Plant material is contacted with an aqueous alkaline solution containing a hydroxide base and essentially no organic solvents, thereby extractin...  
WO/2022/138670A1
Provided are a compound, polymer, composition, film-forming composition, pattern formation method, method for forming insulating films, and compound production method, that yield a resist that exhibits excellent exposure sensitivity. T...  
WO/2022/139546A1
The present invention relates to a cresol preparation method, wherein DTE, a byproduct produced by the cresol preparation method, is separated and recycled to a reaction step, thereby inhibiting the production of DTE. The cresol preparat...  
WO/2022/138178A1
The present invention addresses the problem of providing a crystal of 1,1,1-tris(4-hydroxy-3,5-dimethylphenyl)ethane which has satisfactory handleability and a method for producing the crystal. The crystal of 1,1,1-tris(4-hydroxy-3,5-dim...  
WO/2022/139600A1
The present technology is directed towards providing an apparatus, system and method for the cost-effective extraction of compounds of interest, such as CBD and THC, from freshly harvested cannabis plant material. The system includes mul...  
WO/2022/139599A1
The present technology is directed towards providing an apparatus, system and method for the cost-effective extraction of compounds of interest, such as CBD and THC, from freshly harvested cannabis plant material. Once a tank has been fi...  
WO/2022/139602A1
The present technology is directed towards providing an apparatus, system and method for the cost-effective extraction of compounds of interest, such as CBD and THC, from freshly harvested cannabis plant material. The system includes a p...  
WO/2022/139601A1
The present technology is directed towards providing an apparatus, system and method for the cost-effective extraction of compounds of interest, such as CBD and THC, from freshly harvested cannabis plant material. The system includes a p...  
WO/2022/126310A1
A method for the selective cleavage of a compound comprising an aromatic ring and a C-O-C linkage in the presence of a heterogeneous catalyst. By using this method, it is possible to increase the selectivity and/or yield (preferably both...  
WO/2022/128852A1
The present invention relates to the photooxidation of 2,4,6-trimethyl-phenol to yield 4-hydroperoxy-2,4,6-trimethylcyclohexa-2,5-dien-1-one using methylene blue as photosensitizer in a solvent mixture of water and alcohols using light o...  
WO/2022/124041A1
This method for producing 4-isopropyl-3-methylphenol and 2-isopropyl-5-methylphenol comprises a first step for reacting m-cresol with a C3 compound in the presence of a catalyst containing a first zeolite so as to obtain 4-isopropyl-3-me...  
WO/2022/125966A1
A method of removing THC and/or THCA from a mixture, the mixture including THC and/or THCA and at least one cannabinoid is provided. The method comprises passing a first feedstock stream through a first chromatographic resin arranged in ...  
WO/2022/125736A1
Disclosed herein is a process for making a compound of formula (2) by (hetero)aromatic C-H hydroxylation of a compound of formula (1): catalyzed by palladium(II) and a bidentate ligand in the presence of O2. The process is useful for ins...  
WO/2022/116242A1
A preparation method for a meta-substituted phenol ether, taking a meta-substituted cyclohexenone derivative as a reaction raw material, and undergoing a reaction under conditions of an alcohol solvent and an oxidizing agent to obtain a ...  
WO/2022/118213A1
A method for purifying phenol can include contacting a first stream containing phenol with a second stream containing wastewater from a bisphenol-A (BPA) production process to form a third stream, distilling the third stream to form a fo...  
WO/2022/113847A1
Provided is a polycarbonate resin decomposition method by which a polycarbonate resin can be decomposed with high reactivity even under mild and low-environmental-load conditions. Moreover, provided is an alkyl aryl carbonate production ...  
WO/2022/114109A1
Provided is a fluoroelastomer composition comprising: a fluororubber (a) that can crosslink with a polyhydroxy compound; and a polyhydroxy compound (b) having a structure in which two aromatic rings are linked by -CH(CF3)-.  
WO/2022/111916A1
The present invention discloses a method for extracting cannabidiol from dried, milled and decarboxylated hemp by submitting to a subcritical liquid carbon dioxide extraction followed by a mild liquid carbon dioxide separation.  
WO/2022/103394A1
Described is a catalyst system useful in the production of bisphenol-A comprises (a) an acidic heterogeneous catalyst comprising amorphous silica having organosulfonic acid groups chemically bonded thereto, wherein the catalyst has a pKa...  
WO/2022/094661A1
Disclosed are methods of extracting products from cannabis. One method includes placing the cannabis in a container and extracting two or more different products using different solvents in at least two separate steps. The method may use...  
WO/2022/096701A1
The present invention relates to the synthesis of p-alkylphenols and of 2,6-dimethyl-4-alkyl phenol from 2-alkylfurans with acetylene in the presence of a gold(I) complex as well as to 2,3,6 trimethylhydroquinone.  
WO/2022/093692A1
A method of separating phenol can include: separating a first portion of acetone from a product stream in an evaporator unit, wherein the first portion of the acetone includes recycle acetone and bypass acetone; recycling the recycle ace...  
WO/2022/088912A1
A compound for controlling plant pathogenic bacteria and the use thereof. The compound is 4-allylcatechol. 4-Allylcatechol has inhibitory effects on Xanthomonas oryzae pv.oryzae, Xanthomonas oryzaepv.oryzicola, Xanthomonas citri subsp.ci...  
WO/2022/092176A1
Provided is a production method for a bisphenol or the like by using a chemical recycling method that is moderate, has a small environmental load, and enables efficient degradation of a polycarbonate resin. Provided is a method for produ...  
WO/2022/084662A1
There is described a process for the preparation of Cannabidiol (CBD) and derivatives thereof of formula I: (I) in which R1 is H or –COOR2; 10 wherein R2 is C1-6alkyl or aryl; said process comprising contacting a solution of (+)-p-ment...  
WO/2022/076956A1
A method for crystallization of cannabinoids includes: providing a substantially pure cannabinoid isolate; dissolving the cannabinoid isolate in a crystallization solvent; removing solvent by evaporation until the solution reaches satura...  
WO/2022/074619A1
Systems and methods for recovering phenol have been disclosed. At least a portion of a wastewater stream from a bisphenol-A production process and a phenol stream that is produced by separating a crude phenol stream from a cumene based p...  
WO/2022/074635A1
Systems and methods for recovering phenol have been disclosed. The methods of recovering phenol includes concurrently processing, in a phenol recovery unit, a crude phenol stream from a phenol production unit, and a bisphenol-A purge str...  
WO/2022/075120A1
The present invention addresses the problem of providing a novel production method that has a high reaction selectivity for a tetrakisphenol compound in a reaction between a phenol and a 4,4'-diacylbiphenyl. As a means for solving this p...  
WO/2022/071942A1
Transalkylation processes using catalysts comprising three dimensional 12 membered ring zeolites with a combination of small and large pores are described. These catalysts have increased conversion of alkylphenols to phenol, cresols, and...  
WO/2022/057003A1
Provided is an enhanced micro-interface preparation system and method for p-methylphenol. The enhanced micro-interface preparation system comprises an oxidation reactor and a pipeline reactor, wherein the side wall of the oxidation react...  
WO/2022/057004A1
Provided are a microinterface preparation system for p-methylphenol and a method. The microinterface preparation system comprises: an oxidation reactor and a pipe reactor. The inside diameter of the pipe reactor is 2-25 mm; the side wall...  
WO/2022/053418A1
The invention relates to a process for the synthesis of 4-hydroxy-3,5-diiodobenzyl alcohol. Said synthesis process is characterized in that it involves the synthesis, in a single step, of 4-hydroxy-3,5-diiodobenzyl alcohol from 4-hydroxy...  
WO/2022/045270A1
The present invention is a method for purifying a compound or a polymer that includes a step for mixing so as to bring a solution, activated carbon, and an ion exchange resin into contact; the solution is a solution (1) including a hydro...  
WO/2022/038997A1
Provided are a novel and high-purity fluorene derivative and manufacturing method therefor, said fluorene derivative being represented by formula (1) below. (In the formula, Z is a polycyclic aromatic hydrocarbon having three or more bon...  
WO/2022/032268A1
A process for the treatment of waste water, spent air, and hydrocarbon containing liquid and gaseous streams in the cumene/phenol complex is described. Various effluent streams are combined in appropriate collection vessels, including a ...  
WO/2022/014876A1
The present invention relates to a method for decomposing phenolic byproducts, and more specifically, to a method for decomposing phenolic byproducts, which comprises the steps of: feeding a phenolic byproduct stream to a decomposer and ...  
WO/2022/010102A1
The present invention relates to a method for decomposing phenol-based by-product. More specifically, the present invention provides a method for decomposing phenol-based by-product, the method comprising the steps of: introducing a phen...  
WO/2021/261681A1
The present invention relates to a method for decomposing a phenolic by-product. More specifically, the method comprises the steps of: supplying a phenolic by-product stream to a decomposition apparatus and thermally decomposing same, co...  
WO/2021/261062A1
Provided is an aqueous solution having, dissolved therein, 0.3 to 200 mM of a stilbene compound (A) that is a compound represented by formula (1) or a glycoside thereof and 0.3 to 200 mM of a flavin derivative (B) selected from riboflavi...  
WO/2021/256551A1
[Problem] To provide: a 4-hydroxystyrene solution that is preferable as a raw material for commercial-scale production of 4-hydroxystyrene-based polymers, and has a high purity and good storage stability; and a production method for the ...  
WO/2021/254121A1
Disclosed is an industrial extraction method of cannabidiol, pertaining to the field of medicine and chemical industry. The present invention aims to resolve the problems of difficulty in wax removal, low extraction rate of cannabidiol, ...  
WO/2021/245440A1
The present invention relates to a novel liquid-liquid extraction process of a bio-oil obtained by an improved thermochemical process. This extraction process gives rise to two distinct phases: an organic phase, with bio-oil of energetic...  

Matches 1 - 50 out of 6,857