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WO/2012/050665A1 |
In a process for the dehydrogenation of cyclohexanone to produce phenol, cyclohexanone is contacted in a reaction zone under dehydrogenation conditions with a dehydrogenation catalyst comprising (i) a support comprising silica; and (ii) ...
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WO/2012/045809A1 |
The present invention relates to the use as a preserving agent, in particular in cosmetic or dermatological composition, of at least one compound of formula (I): in which : - X represents =O or -OH; - R1 represents a hydrogen atom or a m...
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WO/2012/044719A1 |
Embodiments in accordance with the present invention provide for norbornane-type ballast materials, norbornane-type photoactive compounds derived from such ballast materials and alkali-soluble positive-tone polymer compositions that enco...
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WO/2012/040845A1 |
A process for preparation of a compound of formula I or a pharmaceutically acceptable salt thereof, is disclosed. The process involves subjecting a compound of formula II to Ullmann-type conditions to effect an intra-molecular ring closu...
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WO/2012/043213A1 |
Provided are an epoxy resin, a polyhydric hydroxy resin and composition thereof that produce cured products with excellent flame retardancy, moisture resistance, low elasticity, etc. and are suitable for uses such as sealing electronic p...
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WO/2012/036827A1 |
Disclosed herein is a process for producing phenol. The process includes oxidizing at least a portion of a feed comprising cyclohexylbenzene to produce an oxidation composition comprising cyclohexyl-1 -phenyl- 1 -hydroperoxide. The oxida...
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WO/2012/036818A1 |
Described herein are compositions having (a) at least 99 wt% cyclohexanone; and (b) 0.1 wppm to 1000 wppm of at least one of cyclohexanedione and hydroxy cyclohexanone. The wt% and wppm are based upon the total weight of the composition....
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WO/2012/036819A1 |
Described herein is a process for producing phenol in which (a) benzene and hydrogen are contacted with a hydroalkylation catalyst under hydroalkylation conditions to produce cyclohexylbenzene; (b) the cyclohexylbenzene is contacted with...
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WO/2012/036828A1 |
In a process for producing phenol and cyclohexanone, a feed comprising cyclohexylbenzene is oxidized to produce an oxidation reaction product comprising cyclohexyl-1-phenyl-1-hydroperoxide. At least a portion of the oxidation reaction pr...
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WO/2012/036826A2 |
Disclosed herein are processes for producing phenol. The processes include oxidizing cyclohexylbenzene to produce an oxidation composition comprising cyclohexyl-1 -phenyl- 1- hydroperoxide. The cyclohexyl-1 -phenyl- 1 -hydroperoxide in t...
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WO/2012/036822A1 |
In a process for producing phenol and cyclohexanone, a feed comprising cyclohexylbenzene is oxidized to produce an oxidation reaction product comprising cyclohexyl-1 -phenyl-1 -hydroperoxide. At least a portion of the oxidation reaction ...
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WO/2012/036824A1 |
A process for oxidizing a composition comprising contacting an alkylbenzene general formula (I): where R1 and R2 each independently represents hydrogen or an alkyl group having from 1 to 4 carbon atoms, wherein R1 and R2 may be joined to...
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WO/2012/036823A1 |
Disclosed herein is a process for producing phenol. The process includes oxidizing at least a portion of a feed comprising cyclohexylbenzene to produce an oxidation composition comprising cyclohexyl-1 -phenyl- 1 -hydroperoxide. The oxida...
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WO/2012/036825A1 |
In a process for oxidizing a feed comprising cyclohexylbenzene, the feed is contacted with oxygen and an oxidation catalyst in a plurality of reaction zones connected in series, the contacting being conducted under conditions being effec...
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WO/2012/036829A1 |
In a process for oxidizing a hydrocarbon to a product comprising at least one of the corresponding hydroperoxide, alcohol, ketone, carboxylic acid and dicarboxylic acid, the hydrocarbon is contacted with an oxygen-containing compound in ...
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WO/2012/036821A1 |
Described herein are compositions having (a) at least 99 wt% phenol; and (b) 0.1 wppm to 1000 wppm of at least one of the following components: bicyclohexane, cyclohexylbenzene, methylcyclopentylbenzene, hydroxycyclohexanone, cyclohexeno...
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WO/2012/017204A1 |
There is described a process for the preparation of amyl-m-cresol (AMC) which comprises the steps of; (i) reaction of m-cresol with valeric acid, or a derivative thereof, (to form m- cresol valerate (3-toluoyl valerate)); (ii) rearrangem...
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WO/2012/012046A2 |
A process and a mixture for oxidizing an alkyl-aromatic compound comprises forming a mixture comprising the alkyl-aromatic compound, a solvent, a bromine source, and a catalyst; and contacting the mixture with an oxidizing agent at oxidi...
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WO/2012/010802A1 |
The invention relates to a process for preparing benzofuran derivatives of general formula I, in which R represents a nitro or ester-COOR' group, where R' represents an alkyl group, R1 represents hydrogen or an alkyl group and R2 represe...
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WO/2012/010726A1 |
The invention relates to a method for the catalytic oxidation of benzene to phenol, where the oxidant is hydrogen peroxide and the reaction medium is a mixture of acetonitrile and water, the catalytic oxidation of the benzene being gener...
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WO/2012/006783A1 |
Disclosed is a process for the production of a 4-(2-hydroxyalkyl)-1,2-benzenediol, comprising the steps of (a) providing protected 1,2-benzenediol having the 1,2-hydroxyl groups protected, (b) halogenating the protected 1,2-benzenediol t...
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WO/2012/005903A2 |
A process and a mixture for oxidizing an alkyl-aromatic compound comprises forming a mixture comprising the alkyl-aromatic compound, a solvent, a bromine source, a catalyst, and ammonium acetate; and contacting the mixture with an oxidiz...
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WO/2012/003625A1 |
A process for preparing hydroxytyrosol from eugenol is disclosed. The eugenol can be converted to 4-(2-hydroxyethyl)-2-methoxyphenol, which is subsequently converted to hydroxytyrosol. The eugenol can also be initially demethylated, and ...
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WO/2012/002643A2 |
The present invention relates to a method for preparing an aqueous polyurushiol nanoliquid, to polyurushiol powder using same, and to the uses thereof. The method comprises: preparing hydrophilic salt by neutralizing a first polymer, whi...
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WO/2011/161687A1 |
Disclosed herein is a process for the preparation of highly pure 2,6-diisopropyl phenol (Formula I), which comprises reacting p-hydroxy benzoic acid (Formula II) with an alkylating agent in presence of aq. mineral acid followed by basifi...
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WO/2011/162850A1 |
In a process for the dehydrogenation of at least one dehydrogenatable hydrocarbon, at least one dehydrogenatable hydrocarbon selected from an oxygen-containing six-membered carbon ring compound is supplied to a first dehydrogenation reac...
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WO/2011/158499A1 |
For the purpose of inhibiting the polymerization of vinyl compounds during storage, transportation and production, provided are: a polymerization inhibitor composition for vinyl compounds which does not suffer from the deposition of crys...
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WO/2011/156227A2 |
An improved method for the production of phenol, acetone and alpha-methyl styrene (AMS) from a cumene hydroperoxide and dimethylbenzyl alcohol (DMBA) mixture is described, wherein 0.5 - 5% additional water by weight is added prior to the...
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WO/2011/153109A2 |
Vulcanizates with desirable properties can be obtained from compounds incorporating polymers that include hydroxyl group-containing α-methylstyrene functionalities. The functionalities can be incorporated by using any or all of appropri...
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WO/2011/148603A1 |
Provided is a method for purifying cyclic compounds with a specified structure in an industrially advantageous manner. The cyclic compound purification method is characterized in that it comprises a process of contacting a solution compr...
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WO/2011/141932A2 |
Disclosed herein is an improved and efficient process for preparation of fesoterodine and its pharmaceutically acceptable salt. Disclosed also herein is novel intermediate of formula (III). Also disclosed are metal salts of formula (XII)...
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WO/2011/136844A1 |
Embodiments of the present disclosure include polycyclopentadiene compounds represented by Formula (I) : in which each X is either a hydrogen or a cyano group ( N≡C-), n has an average value from zero to 20; each m independently has a ...
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WO/2011/128018A1 |
The invention relates to a process for the preparation of a hydroquinone compound of formula (I) wherein R2, R3, R5 and R6 have the meaning according to claim 1, with the steps of formylating a substituted phenol and oxidising the result...
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WO/2011/122666A1 |
Disclosed is a method for simply and efficiently producing a benzodioxane compound. The target benzodioxane compound is obtained by reacting a phenol compound with a carbonate compound in the presence of a base. This method can produce t...
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WO/2011/106003A1 |
A method is described for producing magnolol, or a derivative or analogue thereof. The method includes obtaining MOM ether of 5,5'-diallylbiphenyl-2,2'-diol or a derivative or analogue thereof and subsequently converting the MOM ether of...
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WO/2011/105439A1 |
Disclosed is a method for producing an aryloxy titanium composition, which is extremely favorable as a catalyst for use in the production of a diaryl carbonate, and with which problems such as obstruction of storage tanks, pipes, pumps, ...
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WO/2011/100013A1 |
The present invention relates to a hydrogenation process that may be used in connection with the production of phenol. In the process, a composition comprising: (i) cyclohexylbenzene; and (ii) a hydrogenable component are contacted with ...
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WO/2011/096989A1 |
In a process for the dehydrogenation of cyclohexanone to produce phenol, a feed comprising cyclohexanone is contacted with a dehydrogenation catalyst under dehydrogenation conditions comprising a temperature of less than 4000C and a pres...
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WO/2011/096349A1 |
Disclosed are: a novel fullerene derivative which can adsorb an allergen that causes hay fever within a short time and with high efficiency and does not re-release the allergen, and which does not contain a metal or the like that has any...
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WO/2011/086566A1 |
Novel method for synthesis of optically pure (S)-(-)-1,1'-bi-2-naphthol and/or (R)-(+)-1,1'-bi-2-naphthol via resolution of racemic (RS)-1,1'-bi-2-naphthol through formation of co-crystal with optically active derivatives of γ -amino ac...
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WO/2011/078230A1 |
Provided are: a 3,5-dihydroxy-2-menthenyl stilbene represented by structural formula (1); an extract from a plant in the Lindera genus, said extract containing at least 1% by mass of the 3,5-dihydroxy-2-menthenyl stilbene; applications f...
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WO/2011/072981A1 |
The invention relates to a method for isolating stilbenoids from solvents and to the use of stilbenoids thus obtained.
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WO/2011/073362A1 |
A catalytic process for the preparation of optically active compounds and their conversion thereafter to desired drug substances. In particular, the process relates to the preparation of (S)-3-(1-Dimethylamino-ethyl)-phenol using asymmet...
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WO/2011/074597A1 |
Provided is a polynuclear poly(phenol) compound represented by general formula (1). In general formula (1), R1s are each independently C1-8 alkyl, C1-8 alkoxy, an aromatic hydrocarbon group, or a C1-8 saturated hydrocarbon group having a...
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WO/2011/070718A1 |
Disclosed are: a radiation-sensitive composition which enables the formation of a resist pattern having a satisfactory shape and contains a resist material (a compound) that can be produced and quality-controlled readily; and a resist pa...
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WO/2011/069052A2 |
This invention relates to processes for producing various t-butyl phenols, such as 2,6-di-tert-butyl phenol and ortho-tert-butyl phenol, by selectively reacting phenol or a substituted phenol with an isobutylene-containing C4 raffinate s...
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WO/2011/064789A1 |
The invention describes an improved method for producing halo-dialkoxybenzenes of formula (I) such as 1-fluoro-2, 3-dialkoxybenzene as well as 2-fluoro-1, 4-dialkoxybenzene, Formula (I) by reacting commercial 2-fluorophenol is reacted wi...
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WO/2011/063113A2 |
An alkylated hydroxyaromatic compound is disclosed which is prepared by reacting at least one hydroxyaromatic compound with at least one branched olefinic propylene oligomer having from about 20 to about 80 carbon atoms in the presence o...
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WO/2011/055819A1 |
Disclosed is a catalyst for the production of a bisphenol compound, which is composed of gel catalyst beads that are obtained by introducing a strong acid group such as a sulfonic acid group into gel beads that have been obtained by a co...
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WO/2011/049021A1 |
Provided is an anthracene derivative which has the properties characteristic of anthracene, e.g., high carbon density, high melting point, high refractive index, and fluorescence induced by ultraviolet rays, and which further has a varie...
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