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WO/2009/091520A1 |
Methods for producing a carboxylic acid employing a solvent from esterif ication of lignocellulosic materials. An acid-containing composition from esterif ication of lignocellulosic materials can be employed in the oxidation of para-xyle...
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WO/2009/087994A1 |
Disclosed is a method for dehalogenating an aromatic halide, wherein a hydrogen gas is brought into contact with a liquid mixture which is obtained by adding an object aromatic halide into water serving as a solvent or an organic solvent...
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WO/2009/082614A1 |
There is provided a continuous process for making 2,2-bis(3,4-dicarboxyphenyl)hexafluoropropane. The process has the following steps: a) continuously feeding 2,2-bis(3,4-dimethylphenyl)hexafluoropropane and aqueous nitric acid into a rea...
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WO/2009/081458A1 |
In the prior art, crystals are separated and recovered from a crystallization slurry through, using a vacuum rotary filtering machine, suction filtering, crystal washing and liquid removing steps. In the washing step, portion of the solv...
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WO/2009/081734A1 |
Disclosed is a method for recovering a bromine component contained in a discharged liquid from a bromine scrubber and supplying the collected bromine component to an oxidation reactor as a co-catalyst for an oxidation reaction. Specifica...
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WO/2009/070873A1 |
Substituted 2-naphthoic acids of structural formula I are effective as antagonists of the biological activity of GPR105 protein. They are useful for the treatment, control or prevention of disorders responsive to antagonism of this recep...
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WO/2009/064515A1 |
Terephthalic acid is prepared by reacting a 2,5-furandicarboxylate with ethylene in the presence of a solvent to produce a bicyclic ether; and then dehydrating the bicyclic ether. The process of the present invention effectively produces...
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WO/2009/064037A1 |
A process is disclosed for the recovery of catalysts, benzoic acid and other aromatic acids from the solid wastes generated m a manufacturing process of an aromatic carboxylic acid. The catalysts are recovered from the solid wastes by us...
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WO/2009/054424A1 |
A process for producing an aromatic carboxylic acid which comprises an oxidation step and a step in which a discharge gas generated in the oxidation step is burned, wherein the discharge gas, which contains methyl bromide, is burned whil...
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WO/2009/038045A1 |
A process for producing an aromatic carboxylic acid in which the generation of fine particles of the aromatic carboxylic acid is inhibited to facilitate solid-liquid separation and which impairs neither unit catalyst requirement nor unit...
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WO/2009/028719A1 |
Disclosed is an alkali metal fluoride dispersion substantially comprising an alkali metal fluoride and an aprotic organic solvent, which is produced by carrying out Step (A) mentioned below, subsequently carrying out Step (B) mentioned b...
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WO/2009/024872A2 |
A method for the recovery of carboxylic acid is disclosed. The method comprises the steps of introducing a liquid slurry comprising water, crystallized carboxylic acid such as terephthalic acid, isophthalic acid, trimellitic acid, and im...
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WO/2009/014098A1 |
A process for producing an aromatic carboxylic acid by oxidizing an alkyl aromatic compound in a solvent to thereby obtain a slurry of aromatic carboxylic acid and performing solid-liquid separation with a pressurized state maintained, i...
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WO/2009/011674A1 |
Novel trans-1, 2-diphenylethylene derivatives are synthesized which can be used to form nanoparticles-monomer- nanomolecule-receptor nanosensors. These trans-1, 2-diphenyl- ethylene derivatives are soluble in both water and organic solve...
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WO/2008/153093A1 |
A product containing a polyethylene terephthalate resin is hydrolyzed under easily practicable conditions without formation of a supercritical or subcritical condition. There is disclosed a method of degradation recovery for polyethylene...
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WO/2008/149370A2 |
A general method is disclosed for the conversion of aldehydes and alkenes to the corresponding carboxylic acids and 1,2-diols. The method is carried out in a catalyst-free aqueous medium under an atmosphere of oxygen or oxygen containing...
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WO/2008/131862A2 |
The invention relates to the use of esters of 2-propylheptanol having benzoic acid and/or benzoic acid derivatives in cosmetic and/or pharmaceutical compositions. The compounds are characterized in that they have a particularly light feel.
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WO/2008/129051A2 |
The present invention relates to a porous organometallic framework material containing a bidentate organic compound in a dative bond with a metal ion, the metal ion being selected from the group of metals consisting of Al, Fe, and Cr and...
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WO/2008/120289A1 |
In the hydrogenation purification of crude terephthalic acid, at the stage of mixing crude terephthalic acid with water into a slurry, conducting heating/dissolving operation to thereby convert the same to an aqueous solution and subject...
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WO/2008/120091A2 |
A method for the production of aromatic carboxylic acid via oxidation of alkyl aromatic compounds is disclosed. The alkyl aromatic compound is oxidized in an oxidation reactor by a mixture of an oxygen-rich gas and recycled offgas in the...
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WO/2008/108073A1 |
The invention provides a solid catalyst containing cyclic imide skeletons which is easily available and easily separable from reaction products and which is easy of recovery and regeneration and free from reaction inhibition factors; and...
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WO/2008/105085A1 |
A system in which the amount of contents of oxidation reaction flue gas emitted from the process of aromatic dicarboxylic acid production is reduced and in which the pressure held by the flue gas is recovered as power energy at relativel...
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WO/2008/105087A1 |
In connection with the process for producing a highly purified aromatic dicarboxylic acid through liquid-phase oxidation of an alkylated aromatic hydrocarbon by means of an oxygen-containing gas in the presence of a catalyst composed of ...
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WO/2008/103314A2 |
Methods and compositions for modulating bone formation and mineralization are described.
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WO/2008/099966A1 |
Disclosed is a method for producing 4-methyl-2,3,5,6-tetrafluorobenzyl alcohol, which is characterized by comprising the following steps (A)-(D). Step (A): a step for fluorinating 2,3,5,6-tetrachloroterephthalic acid dichloride Step (B):...
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WO/2008/099994A1 |
The present invention relates to a novel biphenyl diol derivative and compositions comprising the same as an active ingredient. The novel biphenyl diol derivatives of this invention have more improved hydrophilicity or hydrophobicity tha...
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WO/2008/097393A1 |
A process is disclosed for producing at least one high purity aromatic carboxylic acid by oxidizing an aromatic feedstock with oxygen in a reaction medium comprising the aromatic feedstock, a promoter, a heavy metal catalyst, and a solve...
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WO/2008/092602A1 |
A process is described for utilization of the oxidation offgases which are obtained in the oxidative preparation of terephthalic acid from p-xylene, in which these offgases are first returned completely to standard pressure, then cleaned...
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WO/2008/082501A1 |
The production of high-purity halogenated aromatic diacids from halogenated dimethylbenzene by oxidation with an oxygen-containing gas is conducted using a four-component catalyst system and a two-stage temperature process.
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WO/2008/077769A1 |
An improved process for the safe ozonolysis of unsaturated, organic carbon compounds having one or more olefinic or aromatic double bonds in the molecule in flammable solvents for the preparation of mono- or biscarbonyl or hydroxy compou...
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WO/2008/075427A1 |
A curing catalyst (clathrate compound) which is inhibited from catalyzing a curing reaction at low temperatures, is effective in improving one-pack stability, and can effectively cure a resin upon heating. The clathrate compound is chara...
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WO/2008/071332A1 |
In the production of raw terephthalic acid, paraxylene, oxygen, and acetic acid charged with a catalyst are added to a reactor (1), wherein the paraxylene reacts in the reactor (1) under pressure and at an elevated temperature into a raw...
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WO/2008/070365A2 |
A method of minimising or preventing catalyst loss and/or the precipitation of metal oxide in a catalytic synthetic oxidation reaction in an aqueous solvent comprising water under supercritical or near-supercritical conditions wherein du...
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WO/2008/067112A2 |
A C8-C2O alkylarene is converted to an arene carboxylic acid in an oxidation reactor by reacting the alkylarene with oxygen under oxidation conditions in the presence of an MC catalyst or bromine-free oxidation catalyst in a volumetrical...
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WO/2008/066405A1 |
The invention relates to organic chemistry, in particular to producing aromatic acids and can be used in the chemical and food industries. The inventive benzene carbonic acid production method consists in obtaining, in diffusion conditio...
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WO/2008/056431A1 |
Gold-supporting fine particles having catalytic activity; a process for producing the particles; and a method of oxidation with the particles. The gold-supporting fine particles comprise a star-shaped alkenyl ether polymer and gold depos...
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WO/2008/057924A1 |
A method of minimising or preventing catalyst loss and/or the precipitation of metal oxide in a process for the production of an aromatic carboxylic acid, said process comprising contacting in the presence of a catalyst comprising a meta...
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WO/2008/033836A2 |
The invention provides synthetic processes and synthetic intermediates that can be used to prepare 4-oxoquinolone compounds having useful integrase inhibiting properties.
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WO/2008/033566A1 |
A process is provided for producing an enriched carboxylic acid compositions produced by contacting composition comprising a carboxylic acid with an enrichment feed in an enrichment zone to form an enriched carboxylic acid composition. T...
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WO/2008/028429A1 |
In a process for recovering terephthalic acid from its salts solution an aqueous solution of a terephthalic acid salt is fed into a cathode compartment of an electro dialysis cell and an electrolyte to an anode compartment, the resulting...
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WO/2008/025965A2 |
The invention relates to retinoid compounds of one of the following formulae: Formula 6 a; R = H D1 R = Me (i) PaIa-CO2R' QC = H or Me) (ii)Imeta-CO2R' (R' = H or Me) (iii) ortho-CO2R' (R1 = H or Me) Formula 10 a,R = H b; R = Me (i) PaIa...
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WO/2008/020218A1 |
Disclosed are metal organic frameworks that adsorb nitric oxide, NO-loaded metal organic frameworks, methods of preparing the NO-loaded metal organic frameworks, methods of releasing the nitric oxide into a solution or into air, and uses...
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WO/2008/019582A1 |
A supported Pd/C catalyst, wherein the Pd supported to the active carbon carrier is present in the microcrystalline state, and the microcrystallines whose diameters are less than 2.5nm take up more than 80wt% of the total amount of the P...
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WO/2008/017514A1 |
The present invention relates to a method of producing an adsorbent comprising hydrophilic and porous metal-organic framework (MOF) structures. This adsorbent finds use in heat stores or heat pumps.
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WO/2008/013100A1 |
A method of replacing the first dispersion medium of a raw slurry consisting of a first dispersion medium and crystalline isophthalic acid with a second dispersion medium. The raw slurry is fed into the vertically extending cylindrical p...
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WO/2008/012118A1 |
The invention relates to a process for alkaline hydrolysis of carboxylic acid derivatives, especially carboxylic esters, to carboxylic acids, wherein, for the alkaline hydrolysis of the carboxylic acid derivatives, red mud which is produ...
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WO/2008/010785A2 |
A process is provided for producing an enriched carboxylic acid compositions produced by contacting composition comprising a carboxylic acid with an enrichment feed in an enrichment zone to form an enriched carboxylic acid composition. T...
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WO/2007/145134A1 |
A method of drying an aromatic carboxylic acid while stably using a fluidized-bed dryer. It mitigates problems in drying with a fluidized-bed dryer, such as clogging with and adhesion of crystals of an aromatic carboxylic acid inside the...
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WO/2007/145149A1 |
A method of replacing the first dispersion medium of a raw slurry composed of a first dispersion medium and crystal terephthalic acid with a second dispersion medium. The raw slurry is fed to a vertically extending cylindrical part of cy...
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WO/2007/139679A2 |
This invention relates to a process for the manufacture of aromatic carboxylic acids by exothermic liquid phase oxidation of an aromatic feedstock. More particularly, this invention relates to the efficient energy recovery of the exother...
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