| Patent application number | Description | Published |
|---|
| 20100130788 | METHOD FOR PRODUCING AMINES - The invention relates to a process for preparing aromatic amines by catalytic hydrogenation of the corresponding nitro compounds, in particular for preparing toluenediamine by hydrogenation of dinitrotoluene, wherein hydrogenation catalysts in which a mixture of nickel, palladium and an additional element selected from the group consisting of cobalt, iron, vanadium, manganese, chromium, platinum, iridium, gold, bismuth, molybdenum, selenium, tellurium, tin and antimony is present as active component on a support are used. | 05-27-2010 |
| 20110060176 | METHOD FOR THE DEHYDROAROMATISATION OF MIXTURES CONTAINING METHANE BY REGENERATING THE CORRESPONDING CATALYSTS THAT ARE DEVOID OF PRECIOUS METAL - The present invention relates to a process for nonoxidative dehydroaromatization of aliphatic hydrocarbons by converting a reactant stream comprising aliphatic hydrocarbons in the presence of a catalyst which comprises at least one metallosilicate as a support, at least one element selected from the group of Mo, W and Re as an active component and at least one further transition metal which is not a noble metal as a dopant, wherein the catalyst is regenerated regularly with hydrogen under nonoxidative conditions. The further transition metal used is preferably Fe, Ni, Cu and Co. | 03-10-2011 |
| 20110124933 | CATALYST FOR THE DEHYDROAROMATISATION OF METHANE AND MIXTURES CONTAINING METHANE - The present invention relates to a catalyst for dehydroaromatizing C | 05-26-2011 |
| 20110275858 | METHOD FOR PRODUCING TOLUYLENEDIAMINE BY HYDROGENATING DINITROTOLUENE - A process for preparing tolylenediamine by hydrogenating dinitrotoluene with hydrogen in the presence of a suspended catalyst
| 11-10-2011 |
| 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 |
