Patent application number | Description | Published |
20090292146 | CATALYST PRECURSOR FOR AN Rh COMPLEX CATALYST - The present invention relates to the preparation and use of stable catalyst precursors of rhodium complex catalysts. | 11-26-2009 |
20100137623 | STABLE CATALYST PRECURSOR OF RH COMPLEX CATALYSTS - The present invention relates to the preparation and use of stable catalyst precursors of rhodium complex catalysts. | 06-03-2010 |
20110130595 | PROCESS FOR PREPARING C5 ALDEHYDE MIXTURES WITH A HIGH N-PENTANAL CONTENT - A process for preparing a C | 06-02-2011 |
20110144267 | FUNCTIONALIZED (METH)ACRYLATE MONOMER, POLYMER, COATING AGENT, AND PRODUCTION AND CROSS-LINKING METHOD - The present invention relates to a (meth)acrylate monomer of the general formula (I) | 06-16-2011 |
20110201837 | METHOD FOR PRODUCING 6-CHLORODIBENZO[D,F] [1,3,2]DIOXAPHOSPHEPIN - The invention relates to a method for producing 6-chlorodibenzo[d,f] [1,3,2]-dioxaphosphepin (formula 1), comprising the following steps: a) addition of liquid 2,2′-dihydroxybiphenyl into a reactor to an excess of phosphorous trichloride under inert gas and stirring; b) discharge and neutralization of the resulting gases from the reaction mixture; c) separation of the excess phosphorous trichloride; d) obtention of 6-chlorodibenzo[d,f] [1,3,2]-dioxaphosphepin. | 08-18-2011 |
20110207966 | METHOD FOR PRODUCING 6-CHLORODIBENZO[D,F] [1,3,2]-DIOXAPHOSPHEPIN - The invention relates to a method for producing 6-chlorodibenzo[d,f][1,3,2]dioxaphosphepin (formula 1), comprising the following steps: a) addition of 2,2′-dihydroxybiphenyl, which is suspended in an inert solvant. into a reactor to an excess of phosphorous trichloride under inert gas and stirring; b) discharge and neutralization of the resulting gases from the reaction mixture; c) separation of the excess phosphorous trichloride and the solvant; d) obtention of 6-chlorodibenzo[d,f][1,3,2]dioxaphosphepin. | 08-25-2011 |
20120123169 | PROCESS FOR PREPARING ALPHA,BETA-UNSATURATED C10-ALDEHYDES - The invention relates to a method for continuously producing α,β-unsaturated C | 05-17-2012 |
20120190895 | PRODUCING ALPHA,BETA-UNSATURATED ALDEHYDES BY MEANS OF A REACTION MIXING PUMP - The invention relates to a method for producing α,β-unsaturated aldehydes, wherein a catalytic aldol condensation of charged aldehydes is carried out in the presence of an aqueous base within a continuous-flow reactor. The aim of the invention is to provide a method for aldolizing aldehydes that can be carried out in a particularly economical manner. The aim is achieved by using a reaction mixing pump as the reactor. | 07-26-2012 |
20120197025 | ORGANOPHOSPHORUS COMPOUNDS BASED ON TETRAPHENOL (TP)-SUBSTITUTED STRUCTURES - The invention relates to the synthesis of tetraphenol-substituted structures, in particular meta-substituted xylenes. Said tetraphenol-type structures are reacted to obtain organic phosphorus compounds, in particular organophosphites. The invention further relates to the production of catalytically active compositions which contain transition metals in addition to the aforementioned organic phosphorus compounds. According to another subject matter of the invention, said catalytically active compositions are used in chemical reactions with small molecules, e.g. HCN, CO, hydrogen, and amines. | 08-02-2012 |
20130158282 | POLYHEDRAL OLIGOMERIC SILSESQUIOXANE (POSS) BONDED LIGANDS AND THE USE THEREOF - The present invention relates to POSS-modified ligands and to the use thereof in catalytically effective compositions in hydroformylation. | 06-20-2013 |
20130178657 | ENERGY EFFICIENT SYNTHESIS OF ALIPHATIC ALDEHYDES FROM ALKENES AND CARBON DIOXIDE - The problem addressed by the present invention is that of specifying a process for producing aldehydes which, compared with conventional hydroformylation, cuts CO | 07-11-2013 |
20130289313 | USE OF SUPPORTED IONIC LIQUID PHASE (SILP) CATALYST SYSTEMS IN THE HYDROFORMYLATION OF OLEFIN-CONTAINING MIXTURES TO ALDEHYDE MIXTURES WITH A HIGH CONTENT OF ALDEHYDES UNBRANCHED IN THE 2 POSITION - 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 | 10-31-2013 |
20130317246 | METHOD FOR THE PURIFICATION OF BIPHEPHOS - The invention relates to a process for the purification of 6,6′-[(3,3′-di-tert-butyl-5,5′-dimethoxy-1,1′-biphenyl-2,2′diyl)bis(oxy)]bis(dibenzo[d,f][1,3,2]dioxaphosphepin), abbreviation: biphephos (see formula 1). | 11-28-2013 |
20130324756 | METHOD FOR THE PREPARATION OF BIPHEPHOS - The invention relates to a process for producing 6,6′-[(3,3′-di-tert-butyl-5,5′-dimethoxy-1,1′-biphenyl-2,2′diyl)bis(oxy)]bis(dibenzo[d,f][1,3,2]dioxaphosphepine), abbreviated to biphephos (see formula 1), with low chlorine content | 12-05-2013 |
20140206904 | METHOD FOR PRODUCING 6-CHLORODIBENZO[D,F] [1,3,2] DIOXAPHOSPHEPIN - The invention relates to a method for producing 6-chlorodibenzo[d,f] [1,3,2]-dioxaphosphepin (formula 1), comprising the following steps: a) addition of 2,2′-dihydroxybiphenyl, which is suspended in an inert solvant. into a reactor to an excess of phosphorous trichloride under inert gas and stirring; b) discharge and neutralization of the resulting gases from the reaction mixture; c) separation of the excess phosphorous trichloride and the solvant; d) obtention of 6-chlorodibenzo[d,f] [1,3,2]-dioxaphosphepin. | 07-24-2014 |
20140309423 | NOVEL ORGANOPHOSPHORUS COMPOUNDS BASED ON ANTHRACENETRIOL - The subject matter of the present invention is a plurality of products and the use thereof as a catalytically active composition in a method for producing aldehydes. | 10-16-2014 |
20140343327 | JET LOOP REACTOR HAVING NANOFILTRATION - The invention relates to a device for the continuous, homogeneous-catalysis reaction of a liquid with a gas and optionally an additional fluid, wherein the device comprises at least one reactor having an external liquid circulation driven by a pump, and wherein the device has at least one membrane separation stage that preferably holds back the homogeneous catalyst. The aim of the invention is to specify a device that allows homogeneous-catalysis gas/liquid phase reactions, in particular hydroformylations, which operate with membrane separation of the catalyst to be performed economically at an industrially relevant scale. Said aim is achieved in that a jet loop reactor is provided as the reactor, and that the pump and the membrane separation stage are arranged in the same external liquid circuit. | 11-20-2014 |
20150018576 | METHOD AND DEVICE FOR THE HYDROFORMYLATION OF ISOBUTENE AND FOR THE SEPARATION OF THE PRODUCT MIXTURE - The invention relates to a method for producing a product mixture ( | 01-15-2015 |