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WO/2001/014056A1 |
A solid supported catalyst suitable for the vapor phase carbonylation of lower aliphatic alcohols, ethers, ester, and ester-alcohol mixtures, and desirably, methanol, to produce acetic acid, methyl acetate and mixtures thereof. The solid...
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WO/2001/014055A1 |
A solid supported catalyst suitable for the vapor phase carbonylation of lower aliphatic alcohols, ethers, ester, and ester-alcohol mixtures, and desirably, methanol, to produce acetic acid, methyl acetate and mixtures thereof. The solid...
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WO/2001/014305A1 |
A method for producing esters and carboxylic acids from lower alkyl alcohols, ethers, esters and ester-alcohol reactant mixtures and includes the step of contacting a vaporous mixture of the reactants, carbon monoxide and a halide with a...
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WO/2001/009070A1 |
A process for producing phenol and acetone from cumene hydroperoxide is described in which the cumene hydroperoxide is contacted with a solid-acid catalyst comprising a mixed oxide of cerium and a Group IVB metal.
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WO/2001/002074A1 |
High purity tertiary butyl alcohol is obtained from mixtures comprised of tertiary butyl alcohol and tertiary butyl acetate by extractive distillation using a hydrocarbon extractive solvent such as decane.
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WO/2000/064849A1 |
A process for producing phenol and acetone from cumene hydroperoxide is described in which the cumene hydroperoxide is contacted with a solid-acid catalyst comprising a sulfated transition metal oxide, preferably sulfated zirconia.
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WO/2000/061535A1 |
An acetic acid production catalyst that contains (b) at least one element selected from the group consisting of Group 14 elements, Group 15 and Group 16 elements of the Periodic Table and/or (c) at least one element selected from the gro...
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WO/2000/059858A1 |
The invention relates to a method for the oxidation of hydrocarbon in carboxylic acid, alcohol and/or corresponding ketone or alcohol and/or ketone in corresponding carboxylic acid by oxygen or a gas containing oxygen. The inventive meth...
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WO/2000/056683A1 |
The invention relates to a method for producing alcohol surfactants and alcohol ether surfactants which are inter alia suitable as surfactants or for producing surfactants. According to the inventive method, olefinic mixtures with a defi...
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WO/2000/053556A1 |
The invention relates to a method for the catalytic gas phase oxidation of propene into acrolein in which the initial mixture of reaction gas, with a propene charge of > 160 Nl/l.h, is fed over a fixed-bed catalyst that is accommodated i...
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WO/2000/053557A1 |
The invention relates to a method for the catalytic gas phase oxidation of propene into acrylic acid in which the initial mixture of reaction gas, with an increased propene charge, is oxidized on a first fixed-bed catalyst during a first...
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WO/2000/053555A1 |
The invention relates to a method for carrying out the heterogeneously catalyzed gas phase oxidation of propane into acrolein and/or acrylic acid in which the initial mixture of reaction gas is fed over a fixed-bed catalyst which is comp...
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WO/2000/053550A1 |
An improved process for decomposing alkyl or aromatic hxdroperoxides to form a decomposition reaction mixture containing the corresponding alcohol and ketone. The improvement relates to decomposing the hydroperoxide by contacting the hyd...
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WO/2000/048977A1 |
A method for the vapor-phase carbonylation of lower alkyl alcohols to esters and optionally, carboxylic acids using a catalyst having a platinum on a solid support material as a first component and a vaporous halide as a second component...
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WO/2000/048976A1 |
A catalyst comprising an effective amount of iridium and at least one second metal selected for the Lanthanide Series of the Periodic Table is useful for vapor phase carbonylation to produce carboxylic acids and esters from lower alkyl a...
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WO/2000/048973A2 |
A tertiary butyl alcohol charge stock typically contaminated with from about 0.5 to about 2 wt.% of formates and peroxides, is passed through an oxygenates decomposition reactor containing a bed of a decomposition catalyst comprising rho...
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WO/2000/048972A1 |
A oxidation method which comprises reacting a substrate such as a hydrocarbon, an aldehyde, a ketone, or the like with molecular oxygen in the presence of (1) an oxidation catalyst comprising an imide compound such as N-hydroxyphthalimid...
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WO/2000/048969A1 |
A process for the preparation of at least two organic products from a synthesis gas by (i) converting a first synthesis gas feed to a first organic product and a first by-product; (ii) converting a second synthesis gas feed to a second o...
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WO/2000/048978A1 |
A vapor phase process for the carbonylation of lower alkyl alcohols to esters and optionally, carboxylic acids using a catalyst containing iridium and at least one second metal selected from the Lanthanide Series. Desirably, the iridium ...
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WO/2000/047319A1 |
This invention concerns novel compositions, useful as hydrogenation catalyst, said compositions comprising metals and metal ions such as ruthenium (Ru) or palladium (Pd) dispersed in and distributed throughout a matrix comprising an inor...
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WO/2000/035850A1 |
The present invention describes a process for the direct preparation of methyl p-vinylbenzoate from methyl p-formylbenzoate using keten in the presence of potassium acetate. The chief products obtained from the process are about a five t...
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WO/2000/029106A1 |
A mixed metal oxide Mo-V-Ga-Pd-Nb-X (where X=La, Te, Ge, Zn, Si, In or W) catalytic system providing a higher selectivity to acrylic acid in the low temperature partial oxidation of propane with a molecular oxygen-containing gas.
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WO/2000/029105A1 |
A mixed metal oxide Mo-V-Ga-Pd-Nb-X (where X=La, Te, Ge, Zn, Si, In or W) catalytic system providing oxidation of C¿2?-C¿8? hydrocarbons to corresponding acids with a molecular oxygen-containing gas.
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WO/2000/026165A1 |
A method of reducing an epoxidized organic compound, e.g., a C¿5-20? (un)saturated epoxy alicyclic organic compound, with hydrogen which comprises contacting the compound with hydrogen in the presence of a nickel catalyst, wherein a bas...
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WO/2000/023411A1 |
A process for the recovery of methyl ethyl ketone (MEK) from an aqueous mixture of MEK and ethanol comprising extracting the MEK from the mixture using an extractive solvent selected from the group consisting of isopentane, the o-, m-, m...
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WO/2000/023406A1 |
The invention relates to a method for processing contaminated fatty alcohol mixtures, wherein: (b) the mixture is treated with an acid and (d) the fatty alcohol is then distilled from the residues. One particular advantage is that produc...
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WO1999062451A9 |
Jojoba alcohol, an oily liquid at moderate ambient temperatures, is readily absorbed by human skin where it relieves irritation and inhibits the formation of lesions caused by viruses. The inhibitory action is applicable to enveloped vir...
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WO/2000/017147A1 |
The 5,6-dihydronaphthalenyl derivatives of the formulae (I) and (II) possess potent retinoid-like activity against dermatological diseases with a substantially reduced irritancy profile when administered topically.
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WO/2000/015341A2 |
The invention relates to an evolutionary method for producing catalysts. In a first step (i), components are selected and added to a library of substances. Mixtures of these individual materials are then produced randomly by random selec...
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WO/2000/015335A1 |
There is provided a catalyst carrier comprising a refractory inorganic material having a sodium solubilization rate no greater than 5 ppmw/5 minutes. There is further a catalyst comprising a refractory inorganic material carrier having a...
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WO/2000/014042A1 |
Disclosed is a process for the cleavage of technical cumene hydroperoxide (CHP) into phenol, acetone and $g(a)-methylstyrene. In a first stage, the CHP cleavage process is conducted in such a way to maintain the heat generation rate and ...
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WO/2000/012470A1 |
An improved process for decomposing alkyl or aromatic hydroperoxides to form a decomposition reaction mixture containing the corresponding alcohol and ketone is disclosed. The improvement relates to adding water to a starting hydroperoxi...
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WO/2000/010960A1 |
A method for producing acrolein and/or acrylic acid from propane, whereby the propane undergoes partial homogeneous and/or heterogeneous catalysed oxydehydrogenation with molecular oxygen in a first reaction step to form propane. The pro...
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WO/2000/010957A1 |
A method for producing acrolein and/or acrylic acid from propane, whereby the propane undergoes homogenous and/or heterogeneous catalysed oxide hydrogenation in a first reaction step with molecular oxygen to form propane and the product-...
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WO/2000/010961A1 |
A method for producing acrolein and/or acrylic acid from propane, whereby the propane undergoes partial homogeneous and/or heterogeneous catalysed oxydehydrogenation in a first reaction step with molecular oxygen to form propane. The pro...
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WO/2000/009260A1 |
A mixed metal oxide catalytic system consisting of molybdenum, vanadium, palladium, lanthanum, niobium and X, wherein X is copper and/or chromium, providing higher yields of acrylic acid and acrolein in the low temperature oxidation of p...
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WO/1999/064382A1 |
A process comprising feeding continuously a cyclic carbonate and an aliphatic monohydric alcohol to a continuous multi-stage distillation column and forming (A) a dialkyl carbonate and (B) a diol, wherein a gaseous low boiling point mixt...
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WO/1999/062685A1 |
The invention relates to a hot-melt adhesive for sealing the edge of laminated glass that has been produced according to cast-resin technology. The inventive adhesive comprises acrylate or metacrylate homopolymers or copolymers or mixtur...
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WO/1999/050222A1 |
The invention relates to a method for producing acrylic acid or an acrylic acid ester, comprising step A, optionally, step B and optionally, step C as follows: A. cooling a gaseous reaction mixture formed during the gas phase oxidation p...
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WO/1999/050221A2 |
The invention relates to a method for producing pure (meth)acrylic acid from a crude (meth)acrylic acid, comprising the following steps: A. treating the crude (meth)acrylic acid with at least one compound which is capable of removing ald...
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WO/1999/044977A1 |
Sulfur and soap contaminants are removed from carboxylic acid esters by a process comprising the steps of: (1) contacting a carboxylic acid ester with an aqueous base at a temperature of from about 225 °F to about 280 °F while removing...
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WO/1999/043637A1 |
Improved methods for the simultaneous production of dihydroxybenzene and dicarbinol from diisopropylbenzene are provided. These methods provide for continuous and simultaneous production of DHP and HHP using Karr Column extractors operat...
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WO/1999/041219A1 |
Acylating agents comprising: (A) a 1,2-dicarbonyl compound or its hydroxy-reduction derivative; (B) an enzyme; and (C) at least one compound selected from among (c1) metal compounds and (c2) imide compounds such as N-hydroxyphthalimide. ...
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WO/1999/040055A1 |
A catalytic process is disclosed for oxidizing cycloalkanes directly to form, in a single step, a mixture containing the corresponding alcohol and ketone. In particular, the invention relates to oxidizing a cycloalkane by contacting it w...
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WO/1999/040054A1 |
A method is disclosed for catalytically decomposing cyclododecyl hydroperoxide into cyclododecanone and cyclododecanol using a chromium catalyst.
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WO/1999/038822A1 |
A process for the synthesis of chemical industrial feedstock and high-octane fuel, wherein calcium phosphate which is controlled in the molar Ca/P ratio and/or one which contains an activating metal (M) at a molar (Ca + M)/P ratio of 1 t...
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WO/1999/036382A1 |
The invention relates to a method for the production of aldehydes or aldehydes and alcohols by hydroformylation of olefins in the presence of a complexing catalyst homogeneously dissolved in a reaction mixture, containing a metal of Grou...
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WO/1999/028285A1 |
A subject of the invention is the method of recovery of terephthalic acid and ethylene glycol from poly/ethylene terephthalate/wastes. According to the invention poly/ethylene terephthalate/ is heated in an aqueous solution at the temper...
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WO/1999/024384A1 |
A tertiary butyl alcohol charge stock typically contaminated with from about 0.5 to about 2 wt.% of formates and peroxides, is passed through an oxygenates decomposition reactor containing a bed of a decomposition catalyst comprising rho...
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WO/1999/023086A1 |
Preparation of 4-hydroxy substituted butyrolactones is described. A process for the preparation of 3-hydroxybutyrolactone, 1,2,4-trihydroxybutane and 3,4-dihydroxy acid methyl ester from malic acid is particularly described. The preparat...
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