Abstract: A sweetener and to a method of production thereof is provided. The task of the present invention consists of providing a sucrose-based sweetener, in the production of which the step of separation of the residual sucrose from the isomerization stage is not required, and which has excellent properties for further processing, for example it can be formulated as sweets.

Abstract: A sweetener and to a method of production thereof is provided. The task of the present invention consists of providing a sucrose-based sweetener, in the production of which the step of separation of the residual sucrose from the isomerization stage is not required, and which has excellent properties for further processing, for example it can be formulated as sweets.

Abstract: A controlled preparation of octachlorotrisilane and higher polychlorosilane such as DCTS and DCPS from monomeric chlorosilane, proceeds by exposing the chlorosilane to a nonthermal plasma and recycling chlorosilane that has not been converted to octachlorotrisilane into the plasma.

Abstract: A controlled preparation of octachlorotrisilane and higher polychlorosilane such as DCTS and DCPS from monomeric chlorosilane, proceeds by exposing the chlorosilane to a nonthermal plasma and recycling chlorosilane that has not been converted to octachlorotrisilane into the plasma.

Abstract: The present invention provides a composition comprising: a) an inert porous support material, b) an ionic liquid, c) a metal selected from group 9 of the Periodic Table of the Elements, d) a phosphorus-containing organic ligand, e) at least one organic amine. The present invention further provides a process for hydroformylating olefin-containing hydrocarbon mixtures to aldehydes with addition of the inventive composition as a catalytically active composition, wherein: a) the water content of the olefin-containing hydrocarbon mixture is adjusted to not more than 20 ppm, b) the content of polyunsaturated compounds in the olefin-containing hydrocarbon mixture is adjusted to not more than 3000 ppm, c) a molar ratio of organic amines according to claims 10-13 to phosphorus-containing organic ligands according to claims 8-9 of at least 4:1 is established, d) a molar ratio of phosphorus-containing organic ligands according to claims 8-9 to rhodium of at least 10:1 is established.

Abstract: The present invention relates to a process for preparing hydridosilanes from halosilanes, in which a) i) at least one halosilane of the generic formula SinX2n+2 (where n?3 and X=F, Cl, Br and/or I) and ii) at least one catalyst are converted to form a mixture comprising at least one halosilane of the generic formula SimX2m+2 (where m>n and X=F, Cl, Br and/or I) and SiX4 (where X=F, Cl, Br and/or I), and b) the at least one halosilane of the generic formula SimX2m+2 is hydrogenated to form a hydridosilane of the generic formula SimH2m+2, the hydridosilane of the generic formula SimH2m+2 is separated from partially halogenated hydridosilanes of the general formula SimH(2m+2?y)Xy (where 1<y<2m+1), and the separated partially halogenated hydridosilanes of the general formula SimH(2m+2?y)Xy (where 1<y<2m+1) are hydrogenated again.

Abstract: The present invention relates to a method for oligomerizing hydridosilanes, wherein a composition comprising substantially at least one non-cyclic hydridosilane having a maximum of 20 silicon atoms as the hydridosilane is thermally converted at temperatures below 235° C. in the absence of a catalyst, the oligomers that can be produced according to the method, and the use thereof.

Abstract: The present invention relates to a process for purifying low molecular weight hydridosilane solutions, in which a solution to be purified comprising a) at least one low molecular weight hydridosilane, b) at least one solvent and c) at least one impurity selected from the group of the compounds having at least 20 silicon atoms and/or the group of the homogeneous catalyst systems is subjected to a crossflow membrane process with at least one membrane separation step using a permeation membrane.

Abstract: The present invention relates to a process for preparing unsaturated aldehydes or unsaturated carboxylic acids by heterogeneous catalytic gas phase oxidation of unsaturated or saturated hydrocarbons, comprising the process steps of: i) providing a gas mixture comprising a saturated hydrocarbon and catalytically dehydrogenating the saturated hydrocarbon in the gas phase to obtain a gas mixture comprising an unsaturated hydrocarbon in a dehydrogenation reactor having a dehydrogenation catalyst material; or ii) providing a gas mixture comprising oxygen and an unsaturated hydrocarbon; iii) catalytically oxidizing the unsaturated hydrocarbon obtained in process step i) or provided in process step ii) in the gas phase to obtain a gas mixture comprising an unsaturated aldehyde in a first oxidation reactor having a first oxidation catalyst material; wherein at least one of the reactors selected from the dehydrogenation reactor, the first oxidation reactor and the second oxidation reactor comprises at least one foam b

Abstract: Process for preparing higher hydridosilanes of the general formula H—(SiH2)n—H where n?2, in which—one or more lower hydridosilanes—hydrogen, and—one or more transition metal compounds comprising elements of transition group VIII of the Periodic Table and the lanthanides are reacted at a pressure of more than 5 bar absolute, subsequently depressurized and the higher hydridosilanes are separated off from the reaction mixture obtained.

Abstract: The invention relates to a method for producing higher hydridosilane wherein at least one lower hydridosilane and at least one heterogeneous catalyst are brought to reaction, wherein the at least one catalyst comprises Cu, Ni, Cr and/or Co applied to a carrier and/or oxide of Cu, Ni, Cr and/or Co applied to a carrier, the hydridosilane that can be produced according to said method and use thereof.

Abstract: The present invention relates to a process for the preparation of indium(III) halodialkoxides of the generic formula InX(OR)2 where X=F, Cl, Br, I and R=alkyl radical, alkoxyalkyl radical, in which a composition (A) comprising an indium trihalide InX3, where X=F, Cl, Br and/or I, and at least one alcohol of the generic formula ROH, where R=alkyl radical, alkyloxyalkyl radical, is reacted with a composition (B) comprising at least one secondary amine of the generic formula R?2NH, where R?=alkyl radical, to the indium(III) halodialkoxides which can be prepared by the process and to their use.

Abstract: The present invention provides a composition comprising: a) an inert porous support material, b) an ionic liquid, c) a metal selected from group 9 of the Periodic Table of the Elements, d) a phosphorus-containing organic ligand, e) at least one organic amine. The present invention further provides a process for hydroformylating olefin-containing hydrocarbon mixtures to aldehydes with addition of the inventive composition as a catalytically active composition, wherein: a) the water content of the olefin-containing hydrocarbon mixture is adjusted to not more than 20 ppm, b) the content of polyunsaturated compounds in the olefin-containing hydrocarbon mixture is adjusted to not more than 3000 ppm, c) a molar ratio of organic amines according to claims 10-13 to phosphorus-containing organic ligands according to claims 8-9 of at least 4:1 is established, d) a molar ratio of phosphorus-containing organic ligands according to claims 8-9 to rhodium of at least 10:1 is established.

Abstract: The present invention relates to a process for preparing hydridosilanes from halosilanes, in which a) i) at least one halosilane of the generic formula SinX2n+2 (where n?3 and X=F, Cl, Br and/or I) and ii) at least one catalyst are converted to form a mixture comprising at least one halosilane of the generic formula SimX2m+2 (where m>n and X=F, Cl, Br and/or I) and SiX4 (where X=F, Cl, Br and/or I), and b) the at least one halosilane of the generic formula SimX2m+2 is hydrogenated to form a hydridosilane of the generic formula SimH2m+2, the hydridosilane of the generic formula SimH2m+2 is separated from partially halogenated hydridosilanes of the general formula SimH(2m+2?y)Xy (where 1<y<2m+1), and the separated partially halogenated hydridosilanes of the general formula SimH(2m+2?y)Xy (where 1<y<2m+1) are hydrogenated again.

Abstract: The invention relates to a sweetener and to a method for the production thereof.

Abstract: The present invention relates to a method for oligomerizing hydridosilanes, wherein a composition comprising substantially at least one non-cyclic hydridosilane having a maximum of 20 silicon atoms as the hydridosilane is thermally converted at temperatures below 235° C. in the absence of a catalyst, the oligomers that can be produced according to the method, and the use thereof.

Abstract: The present invention relates to a process for the preparation of indium(III) halodialkoxides of the generic formula InX(OR)2 where X=F, Cl, Br, I and R=alkyl radical, alkoxyalkyl radical, in which a composition (A) comprising an indium trihalide InX3, where X=F, Cl, Br and/or I, and at least one alcohol of the generic formula ROH, where R=alkyl radical, alkyloxyalkyl radical, is reacted with a composition (B) comprising at least one secondary amine of the generic formula R?2NH, where R?=alkyl radical, to the indium(III) halodialkoxides which can be prepared by the process and to their use.

Abstract: The invention relates to a method for producing higher hydridosilane wherein at least one lower hydridosilane and at least one heterogeneous catalyst are brought to reaction, wherein the at least one catalyst comprises Cu, Ni, Cr and/or Co applied to a carrier and/or oxide of Cu, Ni, Cr and/or Co applied to a carrier, the hydridosilane that can be produced according to said method and use thereof.

Abstract: The present invention relates to a process for purifying low molecular weight hydridosilane solutions, in which a solution to be purified comprising a) at least one low molecular weight hydridosilane, b) at least one solvent and c) at least one impurity selected from the group of the compounds having at least 20 silicon atoms and/or the group of the homogeneous catalyst systems is subjected to a crossflow membrane process with at least one membrane separation step using a permeation membrane.

Abstract: Process for preparing higher hydridosilanes of the general formula H—(SiH2)n—H where n?2, in which—one or more lower hydridosilanes—hydrogen, and—one or more transition metal compounds comprising elements of transition group VIII of the Periodic Table and the lanthanides are reacted at a pressure of more than 5 bar absolute, subsequently depressurized and the higher hydridosilanes are separated off from the reaction mixture obtained.