Patent application number | Description | Published |
20090134066 | Method for producing alkyl-aromatic compounds by direct alkylation of aromatic hydrocarbons with alkanes - The present invention relates to a process for preparing alkylaromatics by reacting aromatic compounds with C | 05-28-2009 |
20090312583 | PROCESS FOR CODIMERIZING OLEFINS - The present invention relates to a process for preparing olefin codimers, the olefin codimers which can be obtained by this process, a process for preparing alcohols in which such olefin codimers are subjected to hydroformylation and subsequent hydrogenation, the alcohol mixtures which can be obtained in this way and their use. | 12-17-2009 |
20090326287 | METHOD FOR PRODUCING O-XYLENE - A process for preparing o-xylene comprises the steps of
| 12-31-2009 |
20100016646 | PROCESS FOR HYDROGENATING BUTADIYNE - In the process for hydrogenating butadiyne over a catalyst which comprises at least one platinum group metal on an inorganic metal oxide as a support, the hydrogenation is performed at a pressure in the range from 1 to 40 bar and a temperature in the range from 0 to 100° C., and from 0.05 to 5% by weight, based on the overall catalyst, of platinum group metal is present on the support. | 01-21-2010 |
20100174117 | METHOD FOR PRE-TREATING HYDROAMINATION CATALYSTS - The present invention relates to a process for the pretreatment of hydroamination catalysts, wherein the hydroamination catalyst is brought into contact with an ammonia-comprising mixture before the reaction of olefins with ammonia, a primary or secondary amine, with the ammonia-comprising mixture comprising less than 40% by weight of olefin | 07-08-2010 |
20100286458 | METHOD FOR ISOMERIZING OLEFINS - The present invention relates to a process for isomerizing olefins in olefin-comprising hydrocarbon mixtures having from 4 to 20 carbon atoms at temperatures of from 20 to 200° C. and pressures of from 1 to 200 bar in the liquid phase in the presence of a heterogeneous catalyst, wherein a catalyst comprising from 1 to 20% by weight of nickel in oxidic form and from 1 to 20% by weight of at least one element of group VIB on an aluminum oxide support is used. | 11-11-2010 |
20110009671 | PROCESS FOR PREPARING A PRIMARY AMINE WITH A TERTIARY ALPHA CARBON ATOM BY REACTING A TERTIARY ALCOHOL WITH AMMONIA - A process for preparing a primary amine with a tertiary alpha-carbon atom by reacting a tertiary alcohol with ammonia in the presence of a heterogeneous catalyst, by performing the reaction in the presence of a non-microporous, non-zeolitic aluminosilicate as a catalyst, where the aluminosilicate has a molar Al/Si ratio in the range from 0.1 to 30. | 01-13-2011 |
20110124933 | CATALYST FOR THE DEHYDROAROMATISATION OF METHANE AND MIXTURES CONTAINING METHANE - The present invention relates to a catalyst for dehydroaromatizing C | 05-26-2011 |
20110137029 | CATALYST AND PROCESS FOR PREPARING AN AMINE - A process for preparing an amine by reacting a primary or secondary alcohol, aldehyde and/or ketone with hydrogen and a nitrogen compound selected from the group of ammonia and primary and secondary amines, in the presence of a supported copper-, nickel- and cobalt-containing catalyst, wherein the catalytically active material of the catalyst, before the reduction thereof with hydrogen, comprises oxygen compounds of aluminum, of copper, of nickel, of cobalt and of tin, and in the range from 0.2 to 5.0% by weight of oxygen compounds of yttrium, of lanthanum, of cerium and/or of hafnium, each calculated as Y | 06-09-2011 |
20110137030 | CATALYST AND PROCESS FOR PREPARING AN AMINE - A process for preparing an amine by reacting a primary or secondary alcohol, aldehyde and/or ketone with hydrogen and a nitrogen compound selected from the group of ammonia and primary and secondary amines, in the presence of a supported copper-, nickel- and cobalt-containing catalyst, wherein the catalytically active material of the catalyst, before the reduction thereof with hydrogen, comprises oxygen compounds of aluminum, of copper, of nickel and of cobalt, and in the range from 0.2 to 5.0% by weight of oxygen compounds of tin, calculated as SnO, and catalysts as defined above. | 06-09-2011 |
20110301398 | OLIGOMERISATION OF OLEFINS - Olefins are oligomerized by bringing at least one C | 12-08-2011 |
20110303550 | PROCESS FOR CONVERTING NATURAL GAS TO AROMATICS WITH ELECTROCHEMICAL REMOVAL OF HYDROGEN TO GENERATE ELECTRICAL POWER AND OBTAIN HYDROGEN - The present invention relates to a process for converting aliphatic hydrocarbons having 1 to 4 carbon atoms to aromatic hydrocarbons, comprising the steps of:
| 12-15-2011 |
20120004482 | METHOD FOR REACTING NATURAL GAS TO AROMATICS WHILE ELECTROCHEMICALLY REMOVING HYDROGEN AND ELECTROCHEMICALLY REACTING THE HYDROGEN WATER - The invention relates to a process for converting aliphatic hydrocarbons having from 1 to 4 carbon atoms into aromatic hydrocarbons, which comprises the steps:
| 01-05-2012 |
20120012467 | PROCESS FOR CONVERTING NATURAL GAS TO AROMATICS WITH ELECTROCHEMICAL REMOVAL OF HYDROGEN - The present invention relates to a process for converting aliphatic hydrocarbons having 1 to 4 carbon atoms to aromatic hydrocarbons in the presence of a catalyst under nonoxidative conditions, wherein at least some of the hydrogen formed in the conversion electrochemically removed is by means of a gas-tight membrane-electrode assembly. | 01-19-2012 |
20120012471 | METHOD FOR ELECTROCHEMICALLY REMOVING HYDROGEN FROM A REACTION MIXTURE - The invention relates to a process for the electrochemical separation of hydrogen from a hydrogen-comprising reaction mixture R by means of a gastight membrane-electrode assembly comprising at least one selectively proton-conducting membrane and at least one electrode catalyst on each side of the membrane, where at least part of the hydrogen present in the reaction mixture R is oxidized to protons over the anode catalyst on the retentate side of the membrane and the protons are, after passing through the membrane to the permeate side, | 01-19-2012 |
20120022308 | PROCESS FOR PREPARING ACETYLENE BY THE SACHSSE-BARTHOLOME PROCESS - A process is proposed for preparing acetylene by the Sachsse-Bartholomé process by combustion of a natural gas/oxygen mixture in one or more burners to obtain a cracking gas which is cooled in two or more stages in burner columns, each burner having one or more burner columns assigned thereto, and said cracking gas being quenched with pyrolysis oil in the first cooling stage, to obtain a low boiler fraction comprising benzene, toluene and xylene from the one or more burner columns, which is cooled with direct cooling water and separated in a phase separator into an aqueous phase and an organic phase which comprises benzene, toluene and xylene and is fully or partly introduced to the top of the one or more burner columns as a return stream, wherein the organic phase comprising benzene, toluene and xylene from the phase separator, prior to full or partial recycling to the top of the one or more burner columns, is supplied to a selective hydrogenation over a catalyst which comprises at least one platinum group metal on an inorganic metal oxide as support, comprising 0.05 to 5% by weight of platinum group metal, based on the total weight of the catalyst, and wherein the selective hydrogenation is performed at a pressure in the range from 10 to 70 bar gauge and a temperature in the range from 0 to 100° C. | 01-26-2012 |
20120022310 | PROCESS FOR PREPARING AROMATICS FROM METHANE - The present invention relates to a process for carrying out endothermic, heterogeneously catalyzed reactions in which the reaction of the starting materials is carried out in the presence of a mixture of inert heat transfer particles and catalyst particles, where the catalyst particles are regenerated in a nonoxidative atmosphere at regular intervals and the heat of reaction required is introduced by separating off the inert heat transfer particles, heating the heat transfer particles in a heating zone and recirculating the heated heat transfer particles to the reaction zone. The process of the invention is particularly suitable for the nonoxidative dehydroaromatization of C | 01-26-2012 |
20120041236 | CATALYSTS AND METHOD FOR THE HYDROAMINATION OF OLEFINS - The present invention relates to a hydroamination catalyst comprising boron beta zeolites, wherein the hydroamination catalyst is doped with lithium, and also a process for producing it. The present patent application further relates to a process for preparing amines by reaction of ammonia or primary or secondary amines with olefins at elevated temperatures and pressures in the presence of the hydroamination catalyst of the invention. | 02-16-2012 |
20120065431 | METHOD FOR PRODUCING AROMATIC AMINES - The invention relates to a process for preparing aromatic amines by catalytically hydrogenating the corresponding aromatic nitro compound, which comprises using a copper catalyst with a support comprising SiO | 03-15-2012 |
20120071692 | PROCESS FOR THE PREPARATION OF AROMATIC AMINES - A process for preparing an aromatic amine by reacting a corresponding aromatic alcohol with an aminating agent selected from the group consisting of ammonia, primary amines and secondary amines, in the presence of hydrogen and a catalyst molding, at a temperature of from 60-300°. The catalyst molding comprises Zr, Pd and Pt and has an annular tablet form with an external diameter in the range from 2-6 mm, a height in the range from 1-4 mm and an internal diameter of from 1-5 mm or a topologically equivalent form with the same volume. Catalyst moldings comprising Zr, Pd and Pt are also provided. The catalyst molding has an annular tablet form with an external diameter in the range from 3-6 mm, a height in the range from 1-4 mm and an internal diameter of from 2-5 mm or a topologically equivalent form. | 03-22-2012 |
20120107707 | METHOD FOR THE DIRECT AMINATION OF HYDROCARBONS INTO AMINO HYDROCARBONS, INCLUDING ELECTROCHEMICAL SEPARATION OF HYDROGEN AND ELECTROCHEMICAL REACTION OF THE HYDROGEN INTO WATER - Process for the direct amination of hydrocarbons to aminohydrocarbons by reaction of a feed stream E comprising at least one hydrocarbon and at least one aminating reagent to form a reaction mixture R comprising aminohydrocarbon and hydrogen in a reaction zone RZ and electrochemical separation of at least part of the hydrogen formed in the reaction from the reaction mixture R by means of a gastight membrane-electrode assembly having at least one selectively proton-conducting membrane and at least one electrode catalyst on each side of the membrane, where at least part of the hydrogen is oxidized to protons at the anode catalyst on the retentate side of the membrane and the protons pass through the membrane and on the permeate side are reacted with oxygen to form water, where the oxygen originates from an oxygen-comprising stream O which is brought into contact with the permeate side of the membrane, over the cathode catalyst. | 05-03-2012 |
20120111732 | METHOD FOR DIRECT AMINATION OF HYDROCARBONS TO FORM AMINO HYDROCARBONS WITH THE ELECTROCHEMICAL SEPARATION OF HYDROCARBON - Process for the direct amination of hydrocarbons to aminohydrocarbons, which comprises the steps:
| 05-10-2012 |
20120203045 | PROCESS FOR PRODUCING AN SI-BONDED FLUIDIZED-BED CATALYST - The invention relates to a process for producing a particulate, Si-bonded fluidized-bed catalyst having improved abrasion resistance, which comprises the steps
| 08-09-2012 |
20120245390 | PROCESS FOR HYDROGENATING NITRILES - The present invention relates to a process for hydrogenating nitriles by means of hydrogen in the presence of a catalyst in a reactor, where the catalyst is arranged in a fixed bed, wherein the cross-sectional loading in the reactor is in the range from 5 kg/(m | 09-27-2012 |
20120289747 | CATALYSTS FOR THE HYDROGENATION OF AROMATIC AMINES - The present invention relates to a catalyst comprising 4% by weight of ruthenium (Ru) or more and a support material comprising silicon dioxide, wherein the nitrogen content of the catalyst after the last drying or calcination is in the range from 1 to 3% by weight, and also catalyst precursors thereof. The present patent application further relates to a process for producing an Ru-comprising catalyst, which comprises the steps impregnation, drying, calcination and reduction. In addition, the present patent application relates to a process for hydrogenating organic substances in the presence of catalysts of the invention or catalysts produced according to the invention, and also a process for producing downstream products from cycloaliphatic amines prepared according to the invention. | 11-15-2012 |
20120296111 | CATALYST AND PROCESS FOR HYDROGENATING AROMATICS - The present invention relates to an eggshell catalyst comprising an active metal selected from the group consisting of ruthenium, rhodium, palladium, platinum and mixtures thereof, applied to a support material comprising silicon dioxide, wherein the pore volume of the support material is 0.6 to 1.0 ml/g, determined by Hg porosimetry, the BET surface area is 280 to 500 m | 11-22-2012 |
20130109867 | PROCESS FOR THE PREPARATION OF CIS-ROSE OXIDE | 05-02-2013 |
20130131339 | Process for Producing SN-Comprising Catalysts - The present invention relates to a process for producing a supported tin-comprising catalyst, wherein a solution (S) comprising tin nitrate and at least one complexing agent is applied to the support, where the solution (S) does not comprise any solid or has a solids content of not more than 0.5% by weight based on the total amount of dissolved components. | 05-23-2013 |
20140012060 | CATALYST AND PROCESS FOR REMOVING OXYGEN FROM HYDROCARBON STREAMS - The catalyst comprises from 0.01 to 0.5% by weight of platinum, based on the catalyst, and optionally tin, with the weight ratio of Sn:Pt being from 0 to 10, on zeolite A as support. | 01-09-2014 |
20140058134 | PROCESS FOR TREATING SHAPED CATALYST BODIES AND SHAPED CATALYST BODIES HAVING INCREASED MECHANICAL STRENGTH - The present invention provides a process for treating shaped catalyst bodies which has the following steps:
| 02-27-2014 |