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WO/2009/080338A1 |
A process for purifying a phenolic mixture, which process comprises as a first step, providing a phenolic feed containing phenol, water and at least one further organic or acidic component, and as a second step, separating the phenolic f...
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WO/2009/080343A1 |
The present invention concerns a process for the removal of a salt from a salt-containing organic mixture, which process comprises, in a first step, adding water to the salt-containing organic mixture in order to form a water-containing ...
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WO/2009/080340A1 |
A process for the removal of by-products from a phenolic mixture, which process comprises the following steps: subjecting a phenolic mixture to extractive distillation to produce an initial phenolic mixture, contacting said initial pheno...
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WO/2009/077556A1 |
The subject of the present invention is a method for preparing pyrocatechol from which the impurities resulting from the method for the preparation thereof have been removed. The method for preparing purified pyrocatechol from a crude py...
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WO/2009/077549A1 |
The present invention relates to a method for the production of 4,4'-[1-(trifluoromethyl)alkylidene]-bis-(2,6-diphenylphenol
s), in particular to the production of 4,4'-[1-(trifluoromethyl)ethylidene]-bis-(2,6-diphenylphenol
), comprisin...
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WO/2009/076393A2 |
A process for producing aromatic hydrocarbons which comprises a) contacting ethane or mixed lower alkanes with an aromatic hydrocarbon conversion catalyst to produce reaction products including benzene, b) separating methane, hydrogen, a...
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WO/2009/063763A1 |
The invention aims at providing a process for the production of alkylated aromatic compounds which is suppressed in the formation of hydrocarbon by-products as compared with conventional processes and a process for the production of phen...
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WO/2009/043761A1 |
The invention relates to a process for the synthesis of stilbene derivatives of formula (I)-(E) or (I)-(Z) in which R represents hydrogen or an OH group, by deprotection in the presence of an aluminium halide and of a tertiary amine of a...
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WO/2009/043574A1 |
The present invention relates to a process for the production of iso-propanol by liquid phase hydrogenation of acetone to iso-propanol in at least two hydrogenation reaction stages, each reaction stage comprising a hydrogenation reaction...
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WO/2009/042245A1 |
A method for the production of phenol and acetone from a cumene hydroperoxide mixture comprises: decomposing the cumene hydroperoxide mixture in the presence of a catalyst mixture to form a mixture comprising phenol and acetone, wherein ...
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WO/2008/141097A9 |
A (-)-stereoisomer of formula (I): [insert formula (I) wherein X is H or F; or a pharmaceutically acceptable salt or prodrug thereof, useful as an anesthetic.
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WO/2009/042246A1 |
A method for the production of phenol and acetone from a cumene hydroperoxide mixture comprises a first stage and a second stage and at least two serially connected reactors, wherein the first stage comprises decomposition of a cumene hy...
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WO/2009/032552A2 |
Methods for removing methanol from acetone recycle streams during bisphenol-A production, thereby avoiding the deactivation of catalyst, by distilling an acetone-methanol- water comprising mixture such that acetone is taken overhead in f...
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WO/2009/031627A1 |
Disclosed are: a para-terphenyl compound represented by the formula (1) or a pharmacologically acceptable salt thereof; a method for producing the para-terphenyl compound or the pharmacologically acceptable salt thereof; and use of the p...
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WO/2009/032480A1 |
An integrated process for the production of a hydroxylated aromatic hydrocarbon such as phenol. The process includes (A) contacting hydrogen peroxide with a mixture of an aromatic hydrocarbon such as benzene and an alkyl cyanide such as ...
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WO/2009/028724A1 |
Disclosed is a method for producing a phenol dimer, which comprises a step for mixing a first solution and a second solution by using an internal collision-type mixer which comprises at least a first line for supplying the first solution...
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WO/2009/027541A2 |
The invention relates to oxygen compounds of elements that are part of the boron group, the production of said compounds, and the use thereof as an additive, stabilizer, catalyst, co-catalyst, activator for catalyst systems, conductivity...
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WO/2009/024317A1 |
In accordance with this invention, new processes for making an all-natural, hydroxytyrosol-rich, non bitter olive juice extract and its distillate is presented. Also as part of this invention are novel juice extract distillate and compos...
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WO/2009/024242A1 |
A process for producing sec-butylbenzene comprises feeding reactants comprising benzene and a C4 olefin to a distillation column reactor having a first reaction zone containing an alkylation catalyst and a second distillation zone, which...
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WO/2009/021733A2 |
The present invention refers to a method of converting a lignin material into a liquid product by treatment in a reaction medium comprising at least one C1-C2 carboxylic acid under devated temperature and pressure and the liquid product ...
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WO/2009/020166A1 |
A process for producing a high-purity hydroxytriphenylene compound in which not only inexpensive raw materials can be used but no complicated steps such as protective-group elimination, e.g., dealkylation, and reduction are necessary. It...
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WO/2008/110908A9 |
The present invention concerns a method for preparing hydroxytyrosol derivatives of general formula (III), where R=OCH3, or CF3 or an alkylic saturated or unsaturated, straight or cyclic, branched or not branched, chain from 1 to 31 carb...
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WO/2009/016028A1 |
The present invention relates to a method for producing 4-isopropyl-3-methyl-phenol by alykylizing meta-cresol, distilling, and crystallizing.
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WO/2009/016984A1 |
Disclosed is a compound as a material for a radiation-sensitive composition having excellent coatability which is capable of forming a resist film which enables to stably form a fine pattern with high precision. Specifically disclosed is...
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WO/2009/017498A1 |
A process for alkylating an aromatic compound comprising reacting (a) a first amount of at least one aromatic compound with a first amount of a mixture of olefins having from about 8 to about 100 carbon atoms, in the presence of a strong...
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WO/2009/014816A1 |
A method of preparing a product which is enriched in 4,4'-dihydroxydiphenylmethane from a starting material which comprises 4,4'-dihydroxydiphenylmethane and one or more other isomers of dihydroxydiphenylmethane and/or one or more polyco...
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WO/2009/010224A1 |
In a process for producing hydroperoxides, an alkylaromatic compound of general formula (I) in which R1 and R2 each independently represents an alkyl group having from 1 to 4 carbon atoms, provided that R1 and R2 may be joined to form a ...
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WO/2009/009481A2 |
Disclosed herein are highly stable styrenated phenolic compositions that are liquids at room temperature, and polymer articles and lubricant compositions containing such styrenated phenolic compositions. Also disclosed are processes for ...
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WO/2009/002735A1 |
Use of a high shear mechanical device incorporated into a process for the production of cumene hydroperoxide as a mixer/reactor device is capable of decreasing mass transfer limitations, thereby enhancing the cumene hydroperoxide product...
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WO/2008/143141A1 |
Disclosed is a method for producing a halogenated aromatic compound, which is characterized in that an aromatic compound wherein one or more substituents and two or more hydrogen atoms are attached to a nucleus and an N-iodine bond type ...
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WO/2008/140948A1 |
The present disclosure enables phenol recovery, purification and recycle in a simple, economic manner from waste streams from, for example, a phenol/acetone production process, e.g., a phenol/acetone plant or an upstream cumene hydropero...
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WO/2008/128638A1 |
In a process for producing hydroperoxides, an alkylaromatic compound of general formula (I): in which R1 and R2 each independently represents hydrogen or an alkyl group having from 1 to 4 carbon atoms, provided that R1 and R2 may be join...
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WO/2008/129757A1 |
A process for the production of bisphenol A which is improved in order that a low-viscosity slurry of crystals having large diameters can be formed in batch crystallization to enable smooth changeover from batch crystallization to contin...
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WO/2008/123530A1 |
Disclosed is a solid acid catalyst comprising a carbonaceous material having a sulfonate group, which is useful for various acid catalyst reactions including the hydration of an olefin and has a high reaction activity. A solid acid catal...
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WO/2008/120666A1 |
Disclosed is a method for producing a bisphenol compound, which enables to produce a bisphenol compound with high conversion rate and high selectivity. Also disclosed is a cation-exchange resin catalyst having high activity. Specifically...
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WO/2008/111521A1 |
Disclosed is a method for producing an iodizing agent, which is characterized in that an iodine molecule is electrolyzed in a solution using an acid as a supporting electrolyte. This method for producing an iodizing agent enables to prod...
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WO/2008/107109A1 |
Process for the preparation of hydroxytyrosol, characterized by reacting 4- chloroacetyl-catechol with a metal formate and formic acid in an aqueous solvent optionally containing a lower alkanol and catalytically hydrogenating the 4- hyd...
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WO/2008/101617A1 |
In a process for oxidizing sec-butylbenzene to the corresponding hydroperoxide, a feed containing sec-butylbenzene is contacted with an oxygen- containing gas in a reactor comprising a gas inlet and a gas outlet for said oxygen- containi...
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WO/2008/102664A1 |
A process in which a ketone is directly reacted with an aromatic compound in a single reaction step to obtain the corresponding alkylated aromatic compound in a higher yield. An aromatic compound is reacted with a ketone and hydrogen in ...
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WO/2008/102913A1 |
Disclosed is a sulfonic acid group-containing carbonaceous material, which is useful as a solid acid catalyst for various reactions such as hydration of an olefin or acid decomposition reaction of a hydroperoxide. The sulfonic acid group...
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WO/2008/100165A1 |
The invention relates to producing bisplienol A from phenol and acetone by way of catalytic condensation in the presence of promoted, sulfonated ion- exchange resins, with using fractional crystallization to isolate the p,p'-BPA isomer. ...
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WO/2008/098676A1 |
A process for producing sec-butylbenzene comprises reacting benzene with at least one linear butene under alkylation conditions and in the presence of a catalyst comprising at least one molecular sieve having an X-ray diffraction pattern...
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WO/2008/096763A1 |
Disclosed is a phase transfer catalyst which enables to synthesize a poly(fullerene hydroxide) having a pale color, excellent antioxidant ability and a high water-solubility, has no nitrogenated functional group other than a hydroxy grou...
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WO/2008/091379A1 |
Alkoxy aromatic compounds are conveniently dealkylated to the corresponding phenolic compounds by treatment with aluminum chloride/N,N-dimethyl aniline complex. Aromatic poly O-demethylation is a unique feature of this invention. This pr...
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WO/2008/090460A1 |
Hydroxytyrosol is extracted from olives and/or from the solid residues of olives after the extraction of olive oil, by carrying out acid hydrolysis at a temperature within the range of 110°C to 140°C and at a pH within the range of 1.0...
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WO/2008/085512A1 |
Three different reaction steps were combined to provide methods for preparing p-hydroxystyrene and p-hydroxycinnamic acid monomers from tyrosine. The three steps include reductive alkylation of tyrosine, followed by oxidation to the N-ox...
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WO/2008/080832A2 |
The present invention relates to the use of a preferably transition metal-free carbonitride as a catalyst, and to a supported catalyst comprising the said carbonitride. The carbonitride catalysts proved effective in the cyclization of or...
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WO/2008/083064A1 |
The present invention provides a process for decomposing a cumene hydroperoxide to produce phenol and acetone including: (1) introducing a process stream (21) containing cumene hydroperoxide into a reaction vessel (40); (2) introducing i...
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WO/2008/065939A1 |
Disclosed is an adamantane derivative having adequate optical characteristics such as transparency and (long-term) light resistance, adequate electrical characteristics such as long-term heat resistance and dielectric constant, and good ...
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WO/2008/038801A1 |
A method of synthesizing a diol or a polydiol by reductively coupling carbonyl compounds in a solvent with the use of 12CaO.7Al2O3 having 1019 cm-3 or more but not more than 2.3x1021 cm-3 electrons per cage as a reducing agent. A method ...
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