Abstract:
The present invention is in the field of the high-throughput research for liquid and multi-phase reactions. Thereby, the invention relates to a process for the simultaneous realization of at least one chemical reaction in at least two separate reaction vessels (10), wherein said process comprises at least the following steps: (i) providing at least one reaction mixture per reaction vessel (10); to (ii) pneumatic agitation of the reaction mixture in at least one reaction vessel by means of bringing the reaction mixture into contact with at least one fluid phase (18), wherein the at least one chemical reaction is carried out in at least one of the reaction vessels (10) in the batch mode and the reaction mixture contains at least one liquid phase (14). Thereby, the fluid phase (18) is supplied to the at least one reaction vessel (10) within a defined period and is at least partially discharged from the reaction vessel. The reaction mixturee may firther comprise another immiscible liquid phase (14') and/or solid phase (16). Furthermore, the present invention relates to the device, which pertains to the process.
Abstract:
The invention relates to a process for applying at least one material layer to a multiplicity of shaped bodies, characterized in that it comprises the following steps: (1) introduction of at least two shaped bodies in each case into at least two vessels; and (2) carrying out at least one sequence comprising at least one of each of the following steps: 2.1. addition of at least one precursor material, 2.2. moving the vessels for a defined period by applying a force that can be resolved into a force vector having three dimensions, 2.3. physical, chemical or physicochemical aftertreatment of the shaped bodies.
Abstract:
The present invention relates to a device (10) for analyzing and archiving at least one combinatorial library of materials, comprising at least: a) an area for analyzing and holding materials, consisting at least of two sections (12) capable of holding at least two building blocks (20), b) means for feeding and/or discharging fluid media to and/or from at least one section (12), c) means for identifying the device (10) or the combinatorial library of materials or for identifying the device (10) and the combinatorial library of materials.
Abstract:
A process for the in-situ regeneration of a zeolite catalyst in a carbonylation process for the production of at least one of methyl acetate and acetic acid by contacting methanol, dimethyl ethyl or dimethyl carbonate with carbon monoxide in the presence of a zeolite catalyst, ceasing contact of the catalyst with the reactant, regenerating the catalyst with a regenerating gas selected from hydrogen or a mixture of hydrogen and carbon monoxide at a temperature in the range 250 to 600 ° C, terminating the hydrogen regenerating step and resuming contact of the catalyst with the reactant and carbon monoxide.
Abstract:
Process for preparing a carboxylic acid and/or ester thereof by carbonylating an alcohol and/or reactive derivative thereof with carbon monoxide in the presence of a silver loaded mordenite catalyst.
Abstract:
Katalysator enthaltend ein Metall aus der Platin-Gruppe, ein weiteres Metall oder Halbmetall, ein Alkali- oder Erdalkalimetall und/oder deren oxidierte Formen sowie ein Magnesium-haltiges Oxid, wobei vorzugsweise Pd, K und Bi oder Pd, K, Bi und Pt vorliegen, zur Acetoxylierung eines C 2 -C 9 -Kohlenwasserstoffes wie Olefine oder Alkylaromaten, insbesondere aber von Butadien, in der Gasphase in Anwesenheit einer Sauerstoff-haltigen Atmosphäre und Essigsäure.
Abstract:
The present invention is in the field of the high-throughput research for liquid and multi-phase reactions. Thereby, the invention relates to a process for the simultaneous realization of at least one chemical reaction in at least two separate reaction vessels (10), wherein said process comprises at least the following steps: (i) providing at least one reaction mixture per reaction vessel (10); to (ii) pneumatic agitation of the reaction mixture in at least one reaction vessel by means of bringing the reaction mixture into contact with at least one fluid phase (18), wherein the at least one chemical reaction is carried out in at least one of the reaction vessels (10) in the batch mode and the reaction mixture contains at least one liquid phase (14). Thereby, the fluid phase (18) is supplied to the at least one reaction vessel (10) within a defined period and is at least partially discharged from the reaction vessel. The reaction mixturee may firther comprise another immiscible liquid phase (14') and/or solid phase (16). Furthermore, the present invention relates to the device, which pertains to the process.
Abstract:
The present invention relates to a silver-containing catalyst system, which can be applied for the reaction of substrates with at least one C-C-double bond with at least one oxygen-containing or oxygen-supplying component with formation of at least one epoxide. The silver-containing catalyst according to the invention is characterized in that its activity as well as its selectivity is significantly increased with respect to the target product compared with the silver-containing catalysts of the state of the art, as a consequence of the process for the manufacture according to the invention, in which the synthesis of a silver-amine complex is carried out in absence of light and at temperatures below room temperature.
Abstract:
The present invention relates to decomposable monolithic ceramic materials having an at least bimodal pore structure, in particular having micropores and mesopores or mesopores and macropores or micropores, mesopores and marcopores, optionally having metal centers located in the pores. The invention further relates to processes for producing the materials of the invention and to the use of the materials of the invention and the materials produced by one of the processes of the invention, in particular in catalysis and catalyst research and in medical technology and for the time-delayed release of active compounds in the pharmaceutical industry.
Abstract:
A process is provided for transferring and releasing substances which are air-sensitive or moisture-sensitive or light-sensitive and moisture-sensitive, or air-sensitive and light-sensitive, or moisture-sensitive and light-sensitive, or air-sensitive, moisture-sensitive and light-sensitive, at least one substance (20) which is air-sensitive or moisture-sensitive or light-sensitive, or air-sensitive and moisture-sensitive, or air-sensitive and light-sensitive and light-sensitive. The process comprises removing the substances after preparation under a protective gas atmosphere, from a synthesis chamber, wherein, during said removing, the substances are surrounded by at least one means (32, 34) for protecting the substances and then transferring the substances to at least one test reactor (50, 60), wherein the transfer takes place in a protective-gas-free chamber and at least one substance (20) is freed in the test reactor (50, 60) from the means (32, 34) protecting it using at least one apparatus or by means of at least one process.