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WO/2018/052034A1 |
Provided is a polyvalent phenol compound that exhibits superior alkali resistance, without negatively affecting color, even when used as a resin feedstock material or developer. The polyvalent phenol compound contains less than 1.6 area%...
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WO/2018/051070A1 |
Alkylated aromatic products are produced in a process comprising the steps of pyrolysing a pyrolysable raw material in a pyrolysis process to obtain a pyrolysis product stream containing a phenolic product and aromatics products;separati...
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WO/2018/046584A1 |
The invention is related to a cheap, efficient and low-environmental impact method for the preparation of highly pure 4-bromothymol, that can be obtained by the catalytic oxidative bromination of thymol. The oil obtained as product from ...
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WO/2018/041602A1 |
The invention relates to a method for producing a polycarbonate by reacting at least one diaryl carbonate with at least one aromatic hydroxy compound, which are first mixed in a mixing device and, as a raw material mixture, placed in a r...
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WO/2018/032727A1 |
Disclosed in the present invention is a method for extracting cannabidiol from cannabis. The method comprises the following steps: crushing and drying the part of the cannabis for extraction to obtain a medicinal powder; using 30-100% (V...
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WO/2018/029140A1 |
The invention relates to a method for producing substituted styrene derivatives.
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WO/2018/015923A1 |
The invention is directed to a method for the manufacture of bisphenol A, and to bisphenol A/phenol adduct crystals. The method of the invention comprises: a) reacting phenol and acetone in the presence of an acidic catalyst to form a re...
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WO/2018/011700A1 |
The invention is directed to a method for the manufacture of bisphenol A, to the use of acid in a method for crystallisation of bisphenol A/phenol adduct, and to bisphenol A/phenol adduct crystals. The method for the manufacture of bisph...
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WO/2018/008683A1 |
Provided is a method for producing a 1,1,2,2-tetrakis(4-hydroxyphenyl)ethane compound, the method comprising: in a reaction solvent, reacting phenols with glyoxal in the presence of an acid catalyst to obtain a mixture including the 1,1,...
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WO/2018/000094A1 |
The disclosure relates to decarboxylated cannabis resins and methods of making the decarboxylated cannabis resins by extraction and decarboxylation of cannabinoids from Cannabis species using microwaves and solvents. The disclosure also ...
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WO/2017/218657A2 |
A polyisobutylene-substituted hydroxyaromatic compound and derivatives thereof which are suitable for use as additives in lubricating compositions. The polyisobutylene-substituted hydroxyaromatic compound may include the reaction product...
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WO/2017/212059A1 |
The present invention relates to a new process of manufacturing of caged cyclofen-OH and derivatives thereof, of formula (I) or salts thereof, wherein n, R1, R1 ', R2, and R3 are as defined in the claims.
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WO/2017/207346A1 |
The present disclosure in general relates to a process for reducing impurities, i.e. undesirable components, present in a cashew nut shell liquid (CNSL) using at least one selective nanofiltration membrane. It further provides new produc...
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WO/2017/195835A1 |
One purpose of the invention is to provide a technique for modifying polyphenols to suppress the occurrence of precipitation and turbidity in water without separate addition of food additives or conducting enzyme treatment. Modified poly...
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WO/2017/194590A1 |
The present invention relates to a process for the manufacture of hydroxy-substituted aromatic styryl or stilbene compounds.
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WO/2017/192535A1 |
The present invention relates to an improved method for treating or preventing a cardiovascular disease or a related condition utilizing hydroxytyrosol and one of a vitamin or an anti-inflammatory.
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WO/2017/160019A1 |
The present invention relates to a method for preparing cresol and, more specifically, to a method for preparing cresol, wherein, in a two-component reaction, effective separation of cresol is attained by increasing the extraction effici...
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WO/2017/149017A1 |
The invention discloses a method for the preparation of (3,4-dihydroxyphenyl)acetic acid or its ester starting from the respective nitrile, and the conversion of (3,4-dihydroxyphenyl)acetic acid ester to hydroxytyrosol.
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WO/2017/146581A1 |
Described are methods for preparing phenols, benzene carboxylic acids, esters and anhydrides thereof from furanic compounds by reaction with a dienophile, wherein the furanic compounds are reacted with a hydrazine and/or oxime and then r...
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WO/2017/142028A1 |
A metal-supported macromolecule and a use thereof as a catalyst, said metal-supported macromolecule being obtained by causing a ligand to react with a zinc compound or a cobalt compound, said ligand having an imidazole group that is bond...
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WO/2017/138015A1 |
The invention relates to a process for the selective o-methylation of phenol in vapor phase. More specifically, the present invention provides a vapor phase process for selective synthesis of methylated product either o-cresol or anisole...
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WO/2017/135123A1 |
A bisphenol represented by general expression (1) and a production method thereof, a polyarylate resin derived from said bisphenol, a (meth)acrylate compound, and an epoxy resin are provided. In expression (1), R1 to R4 are the same or d...
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WO/2017/124675A1 |
Disclosed is a method for using a menthene diol to synthesise carvacrol, said method comprising the following steps: step 1, dissolving a menthene diol and a catalyst A in a solvent, heating so that the menthene diol undergoes a dehydrat...
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WO/2017/124676A1 |
The present invention provides a method for synthesizing carvacrol by using limo nene epoxides. The method comprises the following steps: step 1, under the action of a Lewis acid catalyst A, heating limo nene epoxide for open-loop rearra...
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WO/2017/108339A1 |
The present invention relates to a method of preparing ortho substituted phenols from 2,5-dimethylfuran and propargyl ethers in the presence of a gold(I) complex. It is particularly advantageous to use 2,5-dimethylfuran as this offers an...
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WO/2017/111357A1 |
Disclosed is a method for recovering phenol and acetone from a bisphenol-A residue decomposition reaction product, the method being capable of improving economic feasibility and efficiency by utilizing a phenol/acetone purification proce...
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WO/2017/104798A1 |
The objective of a first invention of the present invention is to provide a method that makes it possible to efficiently produce an oxidation reaction product of a hydrocarbon or derivative thereof using the hydrocarbon or derivative the...
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WO/2017/105682A1 |
A phenylene ether oligomer is prepared by a process that includes partially converting 2,6-dimethylphenol to 3,3',5,5'-tetramethyl-4,4'-dihydroxybiphenyl and/or 3,3',5,5'-tetramethyldiphenoquinone, converting the residual 2,6 dimethylphe...
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WO/2017/105543A1 |
This invention relates to compositions and methods for reduction of formaldehyde odor and emission during the production and curing of cores and molds, particularly those cores and molds of the foundry industry which comprise ester curab...
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WO/2017/100164A1 |
An improved method of manufacture of a bisphenol comprises heating a monohydric phenol to a first temperature sufficient to melt the monohydric phenol; adding a carbonyl compound to 2.0-3.0 molar equivalents, based on the moles of carbon...
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WO/2017/093974A1 |
In an embodiment, a method of purifying an aromatic alcohol comprises melt polymerizing a dihydroxy compound and a carbonate compound in the presence of a transesterification catalyst to form the aromatic alcohol and a polycarbonate in a...
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WO/2017/095555A1 |
A method for converting lignin to a phenol product, the method comprising contacting a zeolite catalyst with a lignin under reaction conditions sufficient to produce the phenol product at a yield of equal to or greater than about 50%. A ...
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WO/2017/093847A1 |
In an embodiment, a method of recovering an unreacted phenol from a bisphenol A production facility comprises reacting an initial phenol and an initial acetone in the presence of a catalyst to produce a bisphenol A stream comprising the ...
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WO/2017/086756A1 |
The present application relates to a bisphenol A preparation apparatus and preparation method, and provides a bisphenol A preparation apparatus and preparation method, which can increase the overall energy efficiency of a process by usin...
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WO/2017/081133A1 |
The present invention relates to a process for preparing 2,6-susbstituted phenols, and in particular to a process for preparing 2,6-diphenylphenol. This process is a doubling coupling of a boronic acid and a 2,6-dihalogenphenol in a Suzu...
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WO/2017/069448A1 |
Disclosed is a phenol purification method capable of minimizing the loss of a heat source and reducing the amount of steam used, thereby maximizing the efficiency of energy consumed in the process. The phenol purification method comprise...
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WO/2017/052790A1 |
Aromatic compositions useful in various applications, such as aromatic fluid solvents and high temperature heat transfer fluids, are provided herein. Also provided are advantageous methods for obtaining the aromatic compositions, utilizi...
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WO/2017/042181A1 |
The present invention relates to a process for the preparation of 2,6-di-tert-butyl phenol by reacting phenol with isobutylene in presence of an aluminum phenoxide catalyst, comprising i) preparing an aluminum phenoxide catalyst and phen...
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WO/2017/044229A1 |
In an embodiment, a method of recovering phenol from a bisphenol A production facility comprises reacting phenol and acetone to produce a bisphenol A stream; separating the bisphenol A stream into a product bisphenol A stream and a purge...
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WO/2017/042088A1 |
The present invention relates to a process for producing cumene and/or sec- butylbenzene comprising contacting benzene with a mixed olefins stream comprising ethylene and an alkylation agent in the presence of a selective alkylation cata...
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WO/2017/038964A1 |
A compound purification method according to the present invention comprises: a step for causing a solution (A) that contains a solvent and a hydroxy-substituted aromatic compound represented by formula (A0) and/or formula (B0) to make co...
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WO/2017/038968A1 |
A compound purification method according to the present invention comprises: a step for causing a solution that contains a solvent and a hydroxy-substituted aromatic compound represented by formula (A0) and/or formula (B0) to pass throug...
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WO/2017/029935A1 |
The purpose of the present invention is to provide: a novolac-type phenolic hydroxy group-containing resin having excellent developability, heat resistance and dry etching resistance; and a resist film. A novolac-type phenolic hydroxy gr...
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WO/2017/026377A1 |
Provided are: a cyclic compound which is useful as a photoresist material for forming a chemically amplified resist useful in microfabrication, has high solubility with respect to a safety solvent, has high sensitivity, has small roughne...
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WO/2017/023429A1 |
Disclosed are novel processes for making cyclohexanone compositions, from a mixture comprising phenol, cyclohexanone, and cyclohexylbenzene. The process includes hydrogenation of a feed stream comprising phenol, cyclohexanone, and cycloh...
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WO/2017/012952A1 |
The invention relates to a method for the catalytic hydroxylation of a phenolic substrate, by hydrogen peroxide, into at least one dihydroxylated product, especially phenol into hydroquinone (HQ) and pyrocatechol (PC), characterised in t...
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WO/2017/005907A1 |
The invention relates to zeolitic adsorbents based on agglomerated crystals of zeolite X comprising barium, potassium and sodium. These adsorbents are applicable in the separation of fractions of aromatic C8 isomers, especially xylenes.
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WO/2017/005587A1 |
Device and methods for use in a biosensor comprising a multisite array of test sites, the device and methods being useful for modulating the binding interactions between a (biomolecular) probe or detection agent and an analyte of interes...
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WO/2017/005908A1 |
The invention relates to zeolitic adsorbents based on agglomerated crystals of zeolite X comprising barium, potassium and sodium. These adsorbents are applicable in the separation of fractions of aromatic C8 isomers, especially xylenes.
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WO/2012/025587A9 |
The present invention is directed to a process for the manufacture of 2,3,5-trimethyl-hydro-p-benzoquinone comprising the following steps: a) hydrogenating 2,6-dimethyl-p-benzoquinone with hydrogen in the presence of a hydrogenation cata...
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