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| Number | Title | Issue Date |
| 8178729 | Hydroformylation process Disclosed is a process for hydroformylation of α-olefin wherein said α-olefin is reached with carbon monoxide or carbon monoxide and hydrogen and/or a reducing agent in presence of a catalyst complex based on a rhodium precursor and a ligand mixture comprising at ... | 05/15/2012 |
| 8173847 | Method for the production of aldehydes Aldehydes are produced by unmodified rhodium catalyzed hydroformylation process in a homogeneous organic phase using a solution of unmodified rhodium catalyst and an organic acid in a total amount, calculated as acid equivalent, of from greater than 3 moles to 3000 ... | 05/08/2012 |
| 8138379 | One-stage continuous process for hydroformylating higher olefins or olefin mixtures The invention relates to a one-stage continuous process for hydroformylating olefins having at least 5 carbon atoms to the corresponding aldehydes and/or alcohols having at least 6 carbon atoms in the presence of unmodified cobalt catalysts in a process in which, in... | 03/20/2012 |
| 8129571 | Multistage continuous process for the hydroformylation of higher olefins or olefin mixtures The invention relates to a process for the continuous preparation of aldehydes and/or alcohols having at least 6 carbon atoms by multistage hydroformylation of olefins or olefin mixtures having at least 5 carbon atoms in the presence of unmodified cobalt complexes, ... | 03/06/2012 |
| 7939694 | Method for the hydroformylation of olefins and apparatus using the same The present invention relates to a method for preparing aldehydes by reacting olefins with a synthesis gas including carbon monoxide and hydrogen, and to an apparatus therefore. More particularly, the present invention relates to a method for preparing aldehydes, ch... | 05/10/2011 |
| 7935850 | Process for hydroformylation of propylene Increasing the propylene content of the propylene feed delivered to a continuous hydroformylation process from the 95 mole % maximum level that is usual in typical chemical grade propylene to at least 97 mole %, for example to the 97.5% level obtainable from the con... | 05/03/2011 |
| 7781620 | Hydroformylation process A hydroformylation process comprising reacting, in a reactor system comprising one or more feed streams, a reaction environment and an output stream, a feedstock composition comprising a compound having at least one olefinic carbon-to-carbon bond with hydrogen and c... | 08/24/2010 |
| 7728178 | Production of detergent range alcohols This invention relates to a process for the production of aldehydes/alcohols and alkyl benzene. According to the invention, a hydrocarbon feed stream containing olefins and paraffins having an average number of carbon atoms from 10 to 18 per molecule, typically deri... | 06/01/2010 |
| 7652173 | Production of detergent range alcohols This invention relates to a process for the production of alcohols and/or aldehydes. A hydrocarbon feed stream containing paraffins and olefins, typically in which more than 5% by volume of olefin molecules in the hydrocarbon feed stream have a total number of carbo... | 01/26/2010 |
| 7582802 | Propylene hydroformylation Propylene streams obtained by the conversion of oxygenates to olefins are used as feeds for hydroformylation. The streams may contain measurable amounts of dimethyl ether without adversely impacting the hydroformylation. ... | 09/01/2009 |
| 7495133 | Method for hydroformylating olefins in the presence of organophosphoric compounds (EN) The invention relates to the use of novel organophosphoric compounds and metal complexes thereof in catalytic reactions, and to the hydroformylation of olefins in the presence of these compounds. ... | 02/24/2009 |
| 7485759 | Minimization of ligand degradation products, or reversion of same to useful phosphine ligands A process for the minimization of phosphonium ion ligand degradation products formed during reaction of a polyunsaturated olefin or an unconjugated functionalized olefin in the presence of a transition metal-triorganophosphine ligand complex catalyst to form as a pr... | 02/03/2009 |
| 7446231 | Stabilization of a hydroformylation process An improved hydroformylation process involving reacting one or more reactants, such as an olefin, with carbon monoxide and hydrogen in the presence of a hydroformylation catalyst, to produce a reaction product fluid comprising one or more products, preferably aldehy... | 11/04/2008 |
| 7442842 | Method for asymmetric synthesis The present invention relates to a process for asymmetric synthesis in the presence of a chiral catalyst comprising at least one complex of a metal of transition group VIII with ligands capable of dimerization via noncovalent bonds, such catalysts and their use.... | 10/28/2008 |
| 7420092 | Process for producing aldehyde A process by which a hydroformylation reaction can be efficiently conducted without lowering the yield of an aldehyde in the reaction is provided. A process for producing an aldehyde which includes subjecting an olefin to a hydroformylation reaction with carbon mono... | 09/02/2008 |
| 7405329 | Hydroformylation The gas cycle in a high pressure hydroformylation reaction using a series of at least two reactors is controlled to optimise yield, conversion and selectivity and to control reaction temperature. The control is achieved through balancing fresh gases and recycle gase... | 07/29/2008 |
| 7365234 | Tuning product selectivity in catalytic hydroformylation reactions with carbon dioxide expanded liquids An improved hydroformylation process is provided, which comprises reacting an olefin with CO and H2 in the presence of a hydroformylation catalyst in a liquid that has been volumetrically expanded with a compressed gas, such as supercritical carbon dioxid... | 04/29/2008 |
| 7351868 | Minimization of ligand degradation products, of reversion of same to useful phosphine ligands A process for the minimization of phosphonium ion ligand degradation products formed during reaction of a polyunsaturated olefin or an unconjugated functionalized olefin in the presence of a transition metal-triorganophosphine ligand complex catalyst to form as a pr... | 04/01/2008 |
| 7335802 | Methods of preparing branched aliphatic alcohols Systems and methods to produced branched aliphatic alcohols are described. Systems may include a dehydrogenation-isomerization unit, an olefin dimerization unit, an olefin isomerization unit, a hydroformylation unit, a dehydrogenation unit, a hydrogenation unit and/... | 02/26/2008 |
| 7329783 | Hydroformylation process A hydroformylation process comprising reacting a feedstock composition comprising a compound having at least one olefinic carbon-to-carbon bond with hydrogen and carbon monoxide in the presence of an organophosphine modified cobalt hydroformylation catalyst, wherein... | 02/12/2008 |
| 7317130 | Method for the hydroformylation of olefinically unsaturated compounds, especially olefins, in the presence of cyclic carbonic acid esters The present invention relates to a process for preparing aldehydes by hydroformylation of olefinically unsaturated compounds catalyzed by metals of groups 8 to 10 of the Periodic Table of the Elements in the presence of cyclic carbonic esters and ligands which conta... | 01/08/2008 |
| 7314273 | Process for preparing phthalocyanine compounds A process for preparing a mixture of copper phthalocyanine dyes of Formula (1): CuPc(SO3M)x(SO2NH2)y, wherein: CuPc is copper phthalocyanine; M is a cation; x and y each independently have a value of from 0.5 to... | 01/01/2008 |
| 7294729 | Bis-chelating ligand and use thereof in carbonylation processes A novel bis-chelating composition characterized by formula I: wherein M is a Group VB element; R1 and R2 are each independently selected from hydrogen and monovalent hydrocarbyl radicals; or R1 and R2 are bonded together to form a diradical; or one of R1 or R2 is hy... | 11/13/2007 |
| 7270985 | Process for the preparation of aldehyde from a proteinous source for industrial applications A process is disclosed to treat the protein hydrolysate, prepared conventionally from a proteinous source, with alkali metal hydride to obtain alcohol which is subsequently oxidized to obtain aldehyde under certain specified conditions, thereby converting large prot... | 09/18/2007 |
| 7262330 | Process of producing aldehydes A process of producing aldehydes in a continuous hydroformylation process of continuously reacting an olefinic unsaturated compound with carbon monoxide and hydrogen in the presence of a rhodium-phosphite based complex catalyst and continuously separating at least o... | 08/28/2007 |
| 7259279 | Process for preparing aldehydes Process for the hydroformylation of olefins by linkage of the input parameters prevailing in the hydroformylation reaction to the target parameters of a hydroformylation reaction, wherein the linkage is achieved by means of at least one synthetic neuronal network. | 08/21/2007 |
| 7256152 | Composition of catalyst and solvent and catalysis processes using this composition A composition defined: either as comprising at least one Broensted acid, designated HB, dissolved in a liquid medium with an ionic nature of general formula Q+A−, in which Q+ represents an organic cation and A− represents an an... | 08/14/2007 |
| 7232931 | Method for the rhodium-catalyzed hydroformylation of olefins with reduction of rhodium losses Process for preparing aldehydes and alcohols by rhodium-catalyzed hydroformylation of olefins having 6–20 carbon atoms with subsequent separation by distillation of the output from the hydroformylation reaction into the hydroformylation products and a rhodium-cont... | 06/19/2007 |
| 7232934 | Hydrogenation of oxo aldehydes to oxo alcohols in the presence of a nickel-molybdenum catalyst A reduced or partially reduced nickel-molybdenum catalyst prepared by a process having the steps of 1) reacting nickel carbonate and molybdenum oxide precursors to form nickel molybdate and 2) treating the nickel molybdate under reducing conditions to form the reduc... | 06/19/2007 |
| 7227045 | Process for the preparation of linear olefins and use thereof to prepare linear alcohols Process for the preparation of a mixture comprising C5+ linear olefins, which process comprises the steps of (a) reacting carbon monoxide and hydrogen in the presence of an effective amount of Fischer-Tropsch catalyst un... | 06/05/2007 |
| 7223374 | Hydroformylation process employing a cobalt-based catalyst in a non-aqueous liquid with improved catalyst recycling A process for hydroformylating olefinically unsaturated compounds by means of a cobalt-based catalyst is carried out in a non-aqueous ionic liquid which is a liquid at a temperature below 90° C. and comprises at least one ammonium and/or phosphonium and/or sulfoniu... | 05/29/2007 |
| 7217848 | Tridentate phosphines and method of forming aldehyde hydrogenation catalysts This invention comprises a process for hydrogenation of aldehydes to alcohols using novel homogeneous catalysts. The catalysts are generated in situ under hydrogen and carbon monoxide gases in a suitable solvent, by mixing a rhodium catalyst precursor, such as Rh(CO... | 05/15/2007 |
| 7208635 | Method for the hydroformylation of olefins with 2 to 6 carbon atoms The invention relates to a hydroformylation process in which at least one olefin having from 2 to 6 carbon atoms is reacted continuously with carbon monoxide and hydrogen in the presence of a hydroformylation catalyst in a reaction zone in which a liquid phase is pr... | 04/24/2007 |
| 7196230 | Phosoxophite ligands and use thereof in carbonylation processes A novel organophosphorus composition and synthesis thereof, the composition being characterized by one phosphite moiety, one phosoxophite moiety, and a plurality of sterically bulky substituents. The novel composition finds utility as a ligand in Group VIII transiti... | 03/27/2007 |
| 7193116 | Method for producing aldehydes by means of hydroformylation of olefinically unsaturated compounds, said hydroformylation being catalyzed by unmodified metal complexes in the presence of cyclic carbonic acid esters The present invention relates to a process for preparing aldehydes by hydroformylation catalyzed by metals of groups 8 to 10 of the Periodic Table of the Elements in the presence of cyclic carbonic esters. ... | 03/20/2007 |
| 7179947 | Process for the hydroformylation of olefins A process for the catalytic hydroformylation of olefins having from 6 to 24 carbon atoms, in which the hydroformylation is carried out in one or more stage(s) and a mixture comprising at least one olefin and an aldehyde in a molar ratio of aldehyde to olefin of from... | 02/20/2007 |
| 7173138 | Ligands for pnicogen chelate complexes with a metal of subgroup VIII and use of the complexes as catalysts for hydroformylation, carbonylation, hydrocyanation or hydrogenation Pnicogen chelate compounds which have two pnicogen-containing groups joined to one another via a xanthene-like or triptycene-like molecular skeleton and in which at least one pyrrole group is covalently bound via its nitrogen atom to each pnicogen atom form complexe... | 02/06/2007 |
| 7169950 | Method for producing monocarbonyl compounds or biscarbonyl compounds or hydroxyl compounds The invention relates to a method for producing monocarbonyl compounds or biscarbonyl compounds or hydroxyl compounds by ozonizing, unsaturated organic carbon compounds that, per molecule, have one or more olefinic or aromatic double bonds, which can be cleaved by o... | 01/30/2007 |
| 7161043 | Process for the carbonylation of ethylenically unsaturated compounds and bidentate diphosphine composition used in this process Process for the carbonylation of optionally substituted ethylenically unsaturated compounds by reaction with carbon monoxide and a coreactant in the presence of a catalyst system. The catalyst system includes (a) a source of Pt group metal cations,... | 01/09/2007 |
| 7145042 | Method for producing dialdehydes and or ethylenically unsaturated monoaldehydes by hydroformylating ethylenically unsaturated compounds The invention relates to a method for producing dialdehydes and/or ethylenically unsaturated monoaldehydes by reacting at least one compound with at least two ethylenically unsaturated double bonds with carbon monoxide and hydrogen in the presence of a hydroformylat... | 12/05/2006 |
