Abstract: A touch-sensitive surface is provided on an operator control device that includes a way to detect a force applied by a user to at least one area of the touch-sensitive surface. An actuator generates haptic feedback to the user when the force applied exceeds a threshold value. An evaluation unit of the operator control device determines a time-related gradient of the force and changes the threshold value of the force according to the time-related gradient.

Abstract: The present invention relates to a process for the production of a boron-containing zeolitic material having an MWW framework structure comprising YO2 and B2O3, wherein Y stands for a tetravalent element, wherein said process comprises (a) providing a mixture comprising one or more sources for YO2, one or more sources for B2O3, one or more organotemplates, and seed crystals, (b) crystallizing the mixture obtained in (a) for obtaining a layered precursor of the boron-containing MWW-type zeolitic material, (c) calcining the layered precursor obtained in (b) for obtaining the boron-containing zeolitic material having an MWW framework structure, wherein the one or more organotemplates have the formula (I) R1R2R3N??(I) wherein R1 is (C5-C8)cycloalkyl, and wherein R2 and R3 are independently from each other H or alkyl, as well as to a synthetic boron-containing zeolite which is obtainable and/or obtained according to the inventive process as well as to its use.

Abstract: A continuous process for preparing propylene oxide proceeds by (a) reacting propene with hydrogen peroxide in a reaction apparatus in the presence acetonitrile as solvent, obtaining a stream S0 containing propylene oxide, acetonitrile, water, at least one further component B; (b) separating propylene oxide from S0, obtaining stream S1 containing acetonitrile, water and B; (c) dividing S1 into streams S2 and S3; (d) subjects S3 to vapor-liquid fractionation in a first fractionation unit, obtaining vapor fraction stream S4a being depleted, relative to S3, of at least one of B and obtaining liquid bottoms stream S4b, and subjecting at least part of vapor fraction stream S4a to vapor-liquid fractionation in a second fractionation unit, obtaining vapor fraction stream S4c and liquid bottoms stream S4 being depleted, relative to S4a, of at least one of B; (e) recycling at least a portion of S4 to (a).

Abstract: The present invention relates to a process for the preparation of a zeolitic material having a CHA-type framework structure comprising YO2 and X2O3, wherein said process comprises the steps of: (1) providing a mixture comprising one or more sources for YO2, one or more sources for X2O3, one or more tetraalkylammonium cation R1R2R3R4N+-containing compounds, and one or more tetraalkylammonium cation R5R6R7R8N+-containing compounds as structure directing agent; (2) crystallizing the mixture obtained in step (1) for obtaining a zeolitic material having a CHA-type framework structure; wherein Y is a tetravalent element and X is a trivalent element, wherein R1, R2, R3, R4, R5, R6, and R7 independently from one another stand for alkyl, and wherein R8 stands for cycloalkyl, as well as to zeolitic materials which may be obtained according to the inventive process and to their use.

Abstract: The present invention is related to a process for preparing propylene oxide, comprising (i) providing a stream comprising propene, hydrogen peroxide or a source of hydrogen peroxide, water, and an organic solvent; (ii) passing the liquid feed stream provided in (i) into an epoxidation zone comprising an epoxidation catalyst comprising a titanium zeolite, and subjecting the liquid feed stream to epoxidation reaction conditions in the epoxidation zone, obtaining a reaction mixture comprising propene, propylene oxide, water, and the organic solvent; (iii) removing an effluent stream from the epoxidation zone, the effluent stream comprising propylene oxide, water, organic solvent, and propene; (iv) separating propene from the effluent stream by distillation, comprising (iv.

Abstract: The present invention relates to a process for the preparation of a zeolitic material having a FAU-type framework M structure comprising YO2 and X2O3, said process comprising: (a) preparing a mixture comprising one or more sources of YO2, one or more sources of X2O3, and one or more structure directing agents (SDA); (b) crystallizing the zeolitic material from the mixture obtained in (a); wherein Y is a tetravalent element and X is a trivalent element, and wherein the one or more structure directing agents comprise one or more isomers of diaminomethylcyclohexane as well as to a zeolitic material having an FAU-type framework structure obtainable and/or obtained according to the inventive process, to processes for preparing a coated substrate and a shaped body, respectively, from the zeolitic material having a FAU-type framework structure obtainable and/or obtained according to the inventive process, as well as to a method for selectively reducing nitrogen oxides NOx employing said zeolitic material.

Abstract: The present invention relates to a process for the preparation of a zeolitic material comprising YO2 in its framework structure, wherein Y stands for a tetravalent element, wherein said process comprises the steps of: (1) providing a mixture comprising one or more sources for YO2, one or more fluoride containing compounds, and one or more structure directing agents; (2) crystallizing the mixture obtained in step (1) for obtaining a zeolitic material comprising YO2 in its framework structure; wherein the mixture provided in step (1) and crystallized in step (2) contains 35 wt.-% or less of H2O based on 100 wt.

Abstract: A process for the preparation of a zeolitic material having an MWW framework structure and comprising boron and titanium, the process comprising (i) providing an aqueous synthesis mixture comprising a silica source, a boron source, a titanium source, and an MWW templating agent; (ii) heating the aqueous synthesis mixture to a temperature in the range of from 160 to 190 ° C.; (iii) subjecting the synthesis mixture (ii) to hydrothermal synthesis conditions, obtaining, in its mother liquor, a precursor of the zeolitic material; (iv) separating the precursor from its mother liquor; (v) calcining the separated precursor, obtaining the zeolitic material having an MWW framework structure and comprising boron and titanium.

Abstract: The present invention relates to a continuous process for preparing a zeolitic material comprising (i) preparing a mixture comprising a source of YO2, optionally a source of X2O3, and a liquid solvent system; (ii) continuously feeding the mixture prepared in (i) into a continuous flow reactor at a liquid hourly space velocity in the range of from 0.3 to 20 h?1 for a duration of at least 1 h; and (iii) crystallizing the zeolitic material from the mixture in the continuous flow reactor, wherein the mixture is heated to a temperature in the range of from 100 to 300° C.; wherein the volume of the continuous flow reactor is in the range of from 150 cm3 to 75 m3, as well as to zeolitic materials which may be obtained according to the inventive process and to their use.

Abstract: The present invention relates to a process for the preparation of a catalyst for selective catalytic reduction comprising• (i) preparing a mixture comprising a metal-organic framework material comprising an ion of a metal or metalloid selected from groups 2-5, groups 7-9, and groups 11-14 of the Periodic Table of the Elements, and at least one at least monodentate organic compound, a zeolitic material containing a metal as a non-framework element, optionally a solvent system, and optionally a pasting agent,• (ii) calcining of the mixture obtained in (i); and further relates to a catalyst per se comprising a composite material containing an amorphous mesoporous metal and/or metalloid oxide and a zeolitic material, wherein the zeolitic material contains a metal as non-framework element, as well as to the use of said catalyst.

Abstract: A catalyst for the selective catalytic reduction of NOx comprises a zeolitic material which comprises (A) one or more zeolites having a GME framework structure containing YO2 and X2O3, and optionally further comprises one or more zeolites having a CHA framework structure containing YO2 and X2O3, and/or comprises, (B) one or more zeolite intergrowth phases of one or more zeolites having a GME framework structure containing YO2 and X2O3 and one or more zeolites having a CHA framework structure containing YO2 and X2O3, wherein Y is a tetravalent element, and X is a trivalent element, and the zeolitic material contains Cu and/or Fe as non-framework elements in an amount ranging from 0.1 to 15 wt. % calculated as the element and based on 100 wt. % of YO contained in the zeolitic material. Also provided are a process for its preparation, and a use in a method for the selective catalytic reduction of NOx.

Abstract: A projection exposure system (10) includes: a mask holding device (14), a substrate holding device (36), projection optics (26) imaging the mask structures (20) onto the substrate (30) during an exposure process, and a measurement structure (48) disposed in a defined position with respect to a reference element (16) of the projection exposure system, which defined position is mechanically uncoupled from the position of the mask holding device. The projection exposure system also includes a detector (52) arranged to record an image of the measurement structure imaged by the projection optics. During operation of the system, the imaging of the mask structures and of the measurement structure takes place at the same time by the projection optics. An evaluation device (54) establishes a lateral position of the image of the measurement structure in the area of the detector during the exposure process.

Abstract: The present invention relates to a process for the preparation of a zeolitic material comprising the steps of: (1) providing a mixture comprising one or more sources for YO2 and one or more alkenyltrialkylammonium cation R1R2R3R4N+-containing compounds as structure directing agent; and (2) crystallizing the mixture obtained in step (1) to obtain a zeolitic material; wherein Y is a tetravalent element, and wherein R1, R2, and R3 independently from one another stand for alkyl; and R4 stands for alkenyl, as well as to zeolitic materials which may be obtained according to the inventive process and to their use.

Abstract: An optical membrane element for an optical device in lithography, especially EUV (extreme ultraviolet) lithography, includes at least one membrane layer and a frame, which at least partially surrounds the membrane layer and at which at least part of the rim of the membrane layer is mounted. At least one tautening element is provided, which facilitates tautening of the membrane layer and wherein the optical membrane element can be used in a projection exposure system, especially for EUV lithography, such that the membrane layer of the membrane element can be adjustably tautened, such that the membrane layer is flat. A method for manufacturing a corresponding optical membrane element includes generating a tautening element lithographically together with the membrane layer.

Abstract: In a motor vehicle having a plurality of display devices, a gaze direction of a driver of the motor vehicle is detected and used to check whether the driver has directed his gaze to a display region of the display devices for at least a predefined gazing duration. If the gaze has been directed to one of the display regions of one of the display devices for at least the predefined gazing duration, an interaction mode of an operating device for controlling the relevant display device is activated. An extended gazing duration which is longer than the predefined gazing duration is predefined for at least one of the display devices and for this display device, the interaction mode is activated only if it has been detected that the gaze of the driver has been directed to the display region of this display device for at least the extended gazing duration.

Abstract: A continuous process for the preparation of propylene oxide, comprising a start-up stage and normal run stage, wherein the normal run stage comprises (i) continuously providing a liquid feed stream comprising propene, hydrogen peroxide, acetonitrile, a formate salt, water and optionally propane, wherein in the liquid feed stream, the molar amount of the formate salt relative to the molar amount of hydrogen peroxide at a given point of time during the normal run stage is aN(Fo/H2O2); (ii) continuously passing the liquid feed stream provided in (i) into an epoxidation zone comprising a catalyst comprising a titanium zeolite having framework type MWW, and subjecting the liquid feed stream to epoxidation reaction conditions in the epoxidation zone, obtaining a reaction mixture comprising propylene oxide, acetonitrile, water, the formate salt, optionally propene, and optionally propane; (iii) continuously removing an effluent stream from the epoxidation zone, the effluent stream comprising propylene oxide, acetoni

Abstract: The present invention relates to a process for preparing at least one sheet silicate comprising Ga and/or Zn, and based thereon, a framework silicate, preferably of the RRO structure type, to the sheet silicate and framework silicate themselves and to the uses of the silicates, especially of the framework silicate, preferably as catalysts.

Abstract: A process for preparing an arylpropene from a diarylpropane by gas phase thermolysis in the presence of boron containing zeolitic material comprising a membered ring (MR) pore system greater than 10 MR.

Abstract: A process for preparing 2,6-dimethyl-5-heptenal, comprising oxidizing citral of which more than 50% are present as geranial with hydrogen peroxide in the presence of a catalyst comprising a Baeyer-Villiger oxidation catalyst, preferably a tin-containing molecular sieve.

Abstract: The invention relates to process for the regeneration of a catalyst comprising a titanium containing zeolite as catalytically active material comprising a stage comprising introducing a feed stream comprising propene, hydrogen peroxide or a hydrogen peroxide source, and an organic solvent into a reactor containing a catalyst comprising the titanium containing zeolite, subjecting the feed stream in the reactor to epoxidation conditions in the presence of the catalyst, removing a product steam comprising propylene oxide and the organic solvent from the reactor, stopping introducing the feed stream, washing the catalyst with a liquid aqueous system and calcining the washed catalyst.