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WO/2014/165339A1 |
A process for producing phenol and/or cyclohexanone by cleaving cyclohexylbenzene hydroperoxide in a loop cleavage reactor comprising multiple reaction zones connected in series. In desirable embodiments, fresh cyclohexylbenzene hydroper...
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WO/2014/159040A1 |
Hydrotreating catalysts and processes useful for the conversion of methoxylated aromatic compounds to simple aromatic compounds are provided. The catalysts comprise transition metal selected from the group consisting of Group 8 metals, G...
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WO/2014/158209A1 |
The present invention provides a method for converting an aromatic hydrocarbon to a phenol by providing an aromatic hydrocarbon comprising one or more aromatic C-H bonds and one or more activated C-H bonds in a solvent; adding a phthaloy...
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WO/2014/139808A1 |
The presently claimed invention is directed to a novel process for the preparation of substituted tris(2-hydroxyphenyl)methane derivatives and the use of tris(2-hydroxyphenyl)methane derivatives for tertiary mineral oil production.
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WO/2014/137623A1 |
A system for producing high-purity phenol and/or cyclohexanone from cyclohexylbenzene oxidation includes a cyclohexylbenzene feed hydrogenation reactor, a bubble column oxidation reactor, a cyclohexylbenzene hydroperoxide concentrator, a...
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WO/2014/137624A1 |
A system configured to separate a cleavage reaction mixture comprising phenol, cyclohexanone, an amine salt, cyclohexylbenzene, and water, capable of producing high- purity phenol and cyclohexanone from cyclohexylbenzene hydroperoxide cl...
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WO/2014/133433A1 |
Disclosed is a process in two or more steps for oxidation of cymenes to aromatic carboxylic acids. Said process comprises a first oxidation step in gas phase with air or molecular oxygen in presence of a nitric acid, Mn(VII), permanganat...
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WO/2014/131800A1 |
A process for washing hydrocarbons said process comprising: (I) distilling a crude acetone mixture preferably obtained from the cleavage of cumene hydroperoxide and containing hydrocarbons and water so as to form a bottoms fraction conta...
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WO/2014/127686A1 |
The present invention provides 3,3',5,5'-tetraisopropyl-4,4'-diphenol crystal forms I, II and III, and preparation methods thereof. Crystal form I is superior to crystal form II in terms of stability at a high temperature, high humidity,...
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WO/2014/124187A1 |
A bridged alkaline earth metal alkylphenate having reduced monomeric alkylphenol is prepared by reacting (a) a 4-alkylphenol, unsubstituted at the ortho positions, (b) an alkaline earth metal oxide or hydroxide, (c) a bridging agent comp...
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WO/2014/115156A1 |
Described herein are high yield methods for making magnolol derivatives, together with novel intermediates and uses thereof.
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WO/2014/115687A1 |
[Problem] To provide a pervaporation membrane having excellent durability and a method for phenol concentration which comprises using the pervaporation membrane to efficiently concentrate phenol. [Solution] A pervaporation separation dev...
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WO/2014/111980A1 |
The present invention provides: a Janus-type triptycene derivative which is represented by general formula [I] and is useful as a material for a self-assembled monomolecular film; a Janus-type triptycene derivative which is represented b...
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WO/2014/108031A1 |
Disclosed in the present invention is the use of a catalyst of a subgroup VI element for preparing an organic chemical product from lignin, comprising, by the catalytic reaction with a transition metal molybdenum or tungsten as a catalys...
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WO/2014/101374A1 |
The present invention provides a process for the production of cresol. The raw materials comprising ethers, phenols and carbinol are preheated, and then continue through the multi-stage solid catalyst bed mixed with steam, carrying out a...
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WO/2014/099550A1 |
The disclosure provides a method for recovering a dihydroxy aromatic compound and a dialkyl carbonate from a polycarbonate-containing composition comprising a polycarbonate and a phosphorus-containing flame retardant. The method comprise...
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WO/2014/099426A1 |
A cleavage process for making phenol and/or cyclohexanone, the process comprising: (A) providing a feed comprising cyclohexylbenzene hydroperoxide; (B) contacting the feed with a catalyst under cleavage reaction conditions effective to p...
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WO/2014/099548A1 |
The disclosure provides a method for alcoholysis of a polycarbonate-containing composition comprising a polycarbonate and a component comprising a phosphorus-containing flame retardant, an acrylonitrile-butadiene-styrene, or a combinatio...
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WO/2014/091910A1 |
The present invention provides a fluorene polymer containing in the main chain constituent units derived from a fluorene diol compound represented by general formula (I) (in the formula, R 1 represents an alkyl group, cycloalkyl group, o...
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WO/2014/088842A1 |
In a process for producing phenol and/or cyclohexanone, cyclohexylbenzene is contacted with an oxygen-containing gas under conditions effective to produce an oxidation effluent containing cyclohexylbenzene hydroperoxide. At least a porti...
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WO/2014/088841A1 |
In a process for producing phenol and/or cyclohexanone, a cleavage reaction mixture containing cyclohexyl-1 -phenyl-hydroperoxide and cyclohexylbenzene is contacted with sulfuric acid and water under cleavage conditions effective to form...
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WO/2014/083426A1 |
A method for demethylating or demethoxylating an aromatic compound having a methoxy group is performed under presence of a catalyst containing γ-alumina.
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WO/2014/085112A1 |
Disclosed herein is a process for dehydrogenating a hydrocarbon with a dehydrogenation catalyst comprising a step of activating the catalyst precursor in a H2- containing atmosphere. A particularly advantageous activation process include...
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WO/2014/081597A1 |
In a process for producing phenol and cyclohexanone, a cleavage feed containing greater than 40 wt% and no greater than 95 wt% cyclohexyl-1-phenyl-1-hydroperoxide, and at least 5 wt% and less than 60 wt% cyclohexylbenzene is mixed with a...
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WO/2014/076425A1 |
The subject matter of the invention is a method for obtaining polyphenols from a vegetable raw material containing same, characterised in that it comprises at least the following steps: - optionally drying the raw material containing the...
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WO/2014/074248A1 |
In a process for activating a hydroalkylation catalyst, a catalyst precursor comprising a solid acid component and a compound of a hydrogenation metal is heated at a heating rate of less than 50°C/ hour in the presence of hydrogen to an...
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WO/2014/070742A1 |
A process for recovery of materials from a mother liquor residue comprising cracking a mother liquor residue with an aromatic sulfonic acid catalyst to form a cracked product mixture and separating phenol from the cracked product mixture...
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WO/2014/063842A1 |
A process for the conversion of a lignin biomass feedstream to a converted lignin stream said process comprising the steps of: A) combining the lignin biomass feedstream with a catalyst comprising nickel oxide and a liquid solvent in a r...
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WO/2014/063852A1 |
A process to convert a converted lignin feedstream to a converted lignin product comprised of aromatic compounds, the process comprising the step of exposing the converted lignin feedstream to at least one catalyst in the presence of a p...
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WO/2014/050789A1 |
The present invention provides an epoxy compound which is 2,2',7,7'-tetraglycidyloxy-1,1'-binaphthalene. Also provided are: a method for producing [1,1'-binaphthalene]-2,2',7,7'-tetraol, characterized by comprising the steps of bringing ...
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WO/2014/041344A1 |
The invention provides a method of alkene metathesis comprising contacting at least a first alkene, which is cardanol and/or anacardic acid, with an alkylidene ruthenium alkene metathesis catalyst comprising two ligands P1 and P2, which ...
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WO/2014/043478A1 |
A process for producing phenol and/or cyclohexanone is described in which cyclohexylbenzene is contacted with an oxygen-containing gas under conditions effective to produce an oxidation effluent comprising cyclohexylbenzene hydroperoxide...
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WO/2014/043188A1 |
In a process for producing phenol and/or cyclohexanone, cyclohexylbenzene is contacted with an oxygen-containing gas to produce an oxidation effluent containing cyclohexylbenzene hydroperoxide and the cyclohexylbenzene hydroperoxide is t...
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WO/2014/043371A1 |
In a process for producing phenol and/or cyclohexanone, cyclohexylbenzene is contacted with an oxygen-containing gas to produce an oxidation effluent containing cyclohexylbenzene hydroperoxide. At least a portion of the cyclohexylbenzene...
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WO/2014/039002A1 |
The present invention relates to a method of cleaving a β-O-4 bond to the corresponding C-H bond in a substrate, by use of a hydrogen donor and a metal catalyst in a solvent. Thereby it is possible to depolymerize a polymer having a rep...
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WO/2014/038989A1 |
The present invention relates to a method of reducing a β-O-4 bond to the corresponding C-H bond in a substrate, by use of a hydrogen donor and a metal catalyst in a solvent. Thereby it is possible to depolymerize a polymer having a rep...
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WO/2014/039653A2 |
A process for oxidizing a first hydrocarbon to a corresponding first oxygenate by feeding a first feedstock comprising the first hydrocarbon into an oxidation reactor, contacting the reaction medium with a gas stream comprising (¾ in th...
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WO/2014/031019A1 |
A method of transforming by-products in the process of synthesis of bisphenol A characterized in that a solution of by-products and p,p'-BPA in phenol, containing not more than 18% of the p,p'-BPA isomer, not more than 0.5% of water and ...
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WO/2014/028139A1 |
In a process for producing cyclohexylbenzene, benzene is reacted with cyclohexene under alkylation conditions effective to produce an alkylation effluent comprising cyclohexylbenzene and a polycyclohexylbenzene. A first feed comprising a...
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WO/2014/015476A1 |
The present invention relates to a cresol producing method through phenol methanol gas-phase alkylation. The phenol and methanol are preheated and then are mixed with diluent gas; then the mixed gas continuously passes through a phenol m...
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WO/2014/012811A1 |
The present invention relates to a process for manufacturing fluoroaromatics of formula (I), A-F, comprising step a) diazotization of aminoaromaticsof formula (II) in anhydrous HF with an aqueous solution of a diazotizing agent; followed...
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WO/2014/014708A1 |
Provided is a process for producing cyclohexylbenzene, in which a benzene feed stream is subjected to each of the following treatment steps: treating the feed stream with at least one adsorbent and fractionating the feed stream to remove...
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WO/2014/010510A1 |
A method for producing bisphenol A, which comprises: (1) a step wherein phenol and acetone are subjected to a condensation reaction using a reactor that is filled with a strongly acidic cation exchange resin catalyst that is partially mo...
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WO/2014/011359A1 |
In a process for producing phenol, benzene is contacted with a C3 alkylating agent comprising isopropanol under alkylation conditions such that at least part of the isopropanol reacts with the benzene to produce cumene. At least part of ...
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WO/2014/008268A1 |
In a process for producing cumene, isopropanol containing nitrogenous impurities is reacted with benzene in an alkylation reactor to produce an effluent stream comprising cumene, unreacted benzene and water. Water is removed from the eff...
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WO/2014/002787A1 |
A bisphenol-A production method including: (A) a step in which BPA is generated in a reactor in which excess phenol and acetone are subjected to a condensation reaction in the presence of an acid catalyst, and a reaction mixture containi...
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WO/2013/182640A1 |
The present invention relates to a process for preparing a compound of formula (I) by reaction between a compound of formula (II) and a compound of formula (III) in the presence of a catalyst comprising copper, of a ligand and of a base....
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WO/2013/180888A1 |
The invention is directed to purification of an aromatic hydrocarbon stream including selective removal of phenol from a process stream comprising aromatic hydrocarbon mixtures, especially aromatic hydrocarbon mixtures that contain highe...
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WO/2013/173332A1 |
The present invention is directed generally to a method of production of biobased chemicals, biofuels, and lignin residues from lignin sources, including waste lignin. This method may allow for selectively producing biobased chemicals, b...
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WO/2013/172352A1 |
The invention provides a method for producing 4,4''-dihydroxy-m-terphenyls using 2-cyclohexene-1-ones or 3-hydroxycyclohexane-1-ones, and phenols as raw materials.
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