Oxidation Of Hydrocarbon Mixtures Patents (Class 568/469.9)
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Patent number: 11542217Abstract: The present invention relates to dodeca-4,8,11-trien-1-ol and a method of preparing same, to the use of dodeca-4,8,11-trien-1-ol as aroma chemical; to the use of dodeca-4,8,11-trien-1-ol for preparing an aroma chemical composition or for modifying the aroma character of an aroma chemical composition; to an aroma chemical composition containing dodeca-4,8,11-trien-1-ol; and to a method of preparing an aromatized composition or for modifying the aroma character of an aromatized composition.Type: GrantFiled: December 10, 2019Date of Patent: January 3, 2023Assignee: BASF SEInventors: Miriam Bru Roig, Ralf Pelzer, Florian Garlichs
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Patent number: 9782765Abstract: Disclosed are a mesoporous composite oxide catalyst, a method for preparing the same and a method for synthesizing 1,3-butadidne using the same. The surface area is increased by introducing certain porous silica into preparation of a catalyst for synthesizing 1,3-butadiene, thereby improving a conversion ratio of normal-butene, and selectivity and yield of 1,3-butadiene, and providing economic efficiency from the viewpoint of decreasing an amount of used metal and reducing catalyst production cost.Type: GrantFiled: May 2, 2014Date of Patent: October 10, 2017Assignee: LG CHEM, LTD.Inventors: Myung Ji Suh, Dong Hyun Ko, Kyong Yong Cha, Jun Han Kang, Dae Chul Kim, Hyun Seok Nam, Dae Heung Choi
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Patent number: 9180426Abstract: An apparatus and method of producing methanol is provided that reacts a methane-containing gas and an oxygen-containing gas in a reactor to provide a product stream comprising methanol and formaldehyde. The product stream is scrubbed using a process component absorbent. After scrubbing the product stream, unprocessed methane gas is mixed with the methane-containing gas for reprocessing through the reactor while methanol and formaldehyde is sent to a rectification process for removal.Type: GrantFiled: June 2, 2006Date of Patent: November 10, 2015Assignee: Gas Technologies, LLCInventors: Nathan A Pawlak, Robert W Carr
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Patent number: 9174903Abstract: A method for removing formaldehyde from a blend of partially oxygenated hydrocarbons is provided. The method including a step of reacting a hydrocarbon-containing gas with an oxygen-containing gas in a reaction vessel to form first product blend. The first product blend includes a blend of partially oxygenated compounds that include formaldehyde. The blend of partially oxygenated compounds is provided to a reactive scrubbing station where it is contacted with a reactive scrubbing liquid to form a reactive liquid-formaldehyde compound. The reactive liquid-formaldehyde compound is then removed from the first blend of partially reactive compounds.Type: GrantFiled: March 15, 2013Date of Patent: November 3, 2015Assignee: Gas Technologies LLCInventors: Krishna K. Rao, Evan Michael Visser, Ian Lawrence Gaffney, Walter Breidenstein
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Publication number: 20150141701Abstract: A process for removing at least one product from coal tar is described. The process involves extraction with an extraction agent or adsorption with an adsorbent. The extraction agent includes at least one of amphiphilic block copolymers, cyclodextrins, functionalized cyclodextrins, and cyclodextrin-functionalized polymers, and the adsorbent includes exfoliated graphite oxide, thermally exfoliated graphite oxide or intercalated graphite compounds.Type: ApplicationFiled: August 28, 2014Publication date: May 21, 2015
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Publication number: 20120277464Abstract: The invention relates to a method for producing a flow containing at least one alkene derivative, including the following steps: a step a) of reacting a flow containing one or more alkenes and one or more alkanes—the ratio of said alkanes to said alkenes being at least 1 by volume—with a flow containing mainly oxygen, in order to obtain at least one converted flow containing at least said alkene derivative; a step b) of separating the converted flow produced in step a) into at least said flow containing at least said alkene derivative and a residual flow containing mainly one or more hydrocarbons and one or more inert compounds; and a step c) of separating all or a portion of said residual flow by means of permeation into at least one first flow containing mainly one or more inert compounds and a second flow containing mainly one or more hydrocarbons.Type: ApplicationFiled: October 27, 2010Publication date: November 1, 2012Applicants: Arkema France, L'Air Liquide Societe Anonyme Puor L'Exploitation des Procedes Georges ClaudeInventors: Christophe Claeys, Alberto Garcia, Sylvain Gerard, Nicolas Dupont, Jean Luc Dubois, Serge Tretjak, Nabil Tlili
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Patent number: 8222461Abstract: Disclosed herein are mixed oxide catalysts for the catalytic gas phase oxidation of alkanes, or mixtures of alkanes and olefins, for the production of aldehydes and carboxylic acids with air or oxygen in the presence of inert gases at elevated temperatures and pressures, and methods for the production of the catalyst.Type: GrantFiled: October 17, 2007Date of Patent: July 17, 2012Assignee: Evonik Degussa GmbHInventors: Achim Fischer, Weimin Lu, Christoph Weckbecker, Klaus Huthmacher
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Patent number: 8212082Abstract: The present invention relates to a process for preparing at least one compound with Z?1 cycles and 7 to 16 carbon atoms with at least one aldehyde group, at least comprising the stages: (a1) oxidation of a composition (A), at least comprising a cyclic olefin with Z cycles and 7 to 16 carbon atoms and at least two C—C double bonds, by means of dinitrogen monoxide to give a composition (A1), (a2) separating off the at least one cyclic olefin with Z cycles and 7 to 16 carbon atoms with at least two C—C double bonds from the composition (A1) from stage (a1) in order to obtain a composition (A2), (b1) separating off the at least one cyclic compound with Z cycles and 7 to 16 carbon atoms with a keto group from the composition (A2) from step (a2), in order to obtain a composition (B1), comprising at least 50% by weight of the at least one compound with Z?1 cycles and 7 to 16 carbon atoms with at least one aldehyde group and at least two C—C double bonds, where Z may be 1, 2, 3 or 4.Type: GrantFiled: January 27, 2010Date of Patent: July 3, 2012Assignee: BASF SEInventors: Joaquim Henrique Teles, Beatrice Röβler-Feigel, Alexander Hauk, Christian Müller, Michael Schelper, Tanja Kirchner, Susanne Szeschkus
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Publication number: 20110306788Abstract: The object of the present invention is to provide, in the production of a useful oxidized organic compound by a catalytic gas-phase oxidation reaction on an industrial scale, a manufacturing method which, even when operation has been temporarily interrupted for periodic inspection or emergency shutdown, fully avoids the danger of an explosion due to reaction feedstock gases and the like remaining inside the reaction apparatus, and which, when operation is restarted, is able to shorten, relative to the prior art, the period required for the reaction to return to a stable steady state, and moreover which, after operation has restarted, does not undergo a decrease in yield, and allows a high yield to be stably maintained over a long period, whereby the production efficiency can be greatly increased.Type: ApplicationFiled: March 9, 2009Publication date: December 15, 2011Applicant: NIPPON SHOKUBAI CO., LTD.Inventors: Michio Tanimoto, Nobuyuki Hakozaki
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Publication number: 20110144387Abstract: A process for preparing C1-C4-oxygenates from a reactant stream A which comprises essentially a C1-C4-alkane or a mixture of C1-C4-alkanes, by a) branching off a substream B of the reactant stream A and allowing it to react in a reactor with oxygen or an oxygenous gas stream C, which converts a portion of the C1-C4-alkane or a portion of the mixture which comprises C1-C4-alkanes to C1-C4-oxygenates, b) removing at least 90 mol % of the C1-C4-oxygenates formed from the product stream D resulting from step a) to form a remaining low boiler stream E, which comprises combining the low boiler stream E with the reactant stream A without further workup and without combination with the substream B down-stream of the branching site of the substream B.Type: ApplicationFiled: December 14, 2010Publication date: June 16, 2011Applicant: BASF SEInventors: ANNEBART ENGBERT WENTINK, STEFAN ALTWASSER, YAN LI, MICHAEL KRÄMER, FRANK ROSOWSKI, CATHARINA HORSTMANN
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Publication number: 20110137071Abstract: Mixed butene streams containing butene-1 and isobutylene and optionally butene-2 are hydroformylated under conditions that hydroformylates all the monomers to yield a mixture of valeraldehydesType: ApplicationFiled: February 17, 2011Publication date: June 9, 2011Inventors: Raphael F. Caers, Eddy Theophile Van Driessche, Hubertus J. Beckers, Luc Roger Mare Martens, Georges Marie Mathys, John Richard Shutt
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Patent number: 7897812Abstract: A process for preparing acrolein or acrylic acid or a mixture thereof as the target product from propane, in which propane is partially dehydrogenated under heterogeneous catalysis in a reaction zone A, molecular hydrogen formed is at least partly combusted to water, any water present in the product gas A formed in reaction zone A is removed therefrom and product gas A is otherwise used to charge a reaction zone B in which propylene formed in reaction zone A is partially oxidized in the presence of remaining propane to give the target product. The target product is removed from the product gas B formed in reaction zone B and propane present in the remaining residual gas is absorbed therefrom into a solvent and, after release from the absorbate, recycled into reaction zone A.Type: GrantFiled: May 21, 2007Date of Patent: March 1, 2011Assignee: BASF AktiengesellschaftInventors: Otto Machhammer, Klaus Joachim Mueller-Engel, Martin Dieterle
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Publication number: 20110015432Abstract: In industrial scale production of acrolen and/or acrylic acid by catalytic gas-phase oxidation of propylene or a propylene-containing gas with molecular oxygen or a molecular oxygen-containing gas or in industrial scale production of acrylic acid by catalytic gas-phase oxidation of acrolein or an acrolein-containing gas with molecular oxygen or a molecular oxygen-containing gas, this invention provides a process characterized in that the initial stage operation is carried out under advancedly elevated reaction temperature and thereafter the reaction temperature is lowered to carry out the steady state operation. According to this process, acrolein and/or acrylic acid can be produced in high yield stably over prolonged period.Type: ApplicationFiled: March 11, 2009Publication date: January 20, 2011Inventors: Michio Tanimoto, Nobuyuki Hakozaki
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Patent number: 7868201Abstract: A process for the oxidation of hydrocarbons comprises contacting the hydrocarbon with an oxygen-containing gas in the presence of a catalyst comprising a microporous solid support, preferably a zeolite, having from 8- to 12-ring open windows and comprising non-framework metal cations selected from manganese, iron, cobalt, vanadium, chromium, copper, nickel, and ruthenium, and mixtures thereof, providing that the oxygen-containing gas does not contain significant amounts of added hydrogen. The catalyst is novel and forms part of the invention. The process may be used for oxidation of alkanes, cycloalkanes, benzene and alkylbenzenes, and is suitable for use in regioselective terminal oxidation of straight chain alkanes and for selective oxidation/separation of p-dialkylbenzenes from an alkylbenzene mixture, for example, p-xylene from an isomeric mixture of xylenes.Type: GrantFiled: July 1, 2005Date of Patent: January 11, 2011Assignee: ExxonMobil Research and Engineering CompanyInventors: Bi-Zeng Zhan, Bjorn Moden, Jihad Dakka, Jose Santiesteban, Sebastian C. Reyes, Enrique Iglesia
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Publication number: 20100286450Abstract: The invention relates to mixed oxide catalysts for the catalytic gas phase oxidation of alkanes, or mixtures of alkanes and olefins, for the production of aldehydes and carboxylic acids with air or oxygen in the presence of inert gases at elevated temperatures and pressure, and a method for the production of catalysts.Type: ApplicationFiled: October 17, 2007Publication date: November 11, 2010Inventors: Achim Fischer, Weimin Lu, Christoph Weckbecker, Klaus Huthmacher
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Patent number: 7777082Abstract: A process for preparing annular unsupported catalysts by thermally treating annular shaped unsupported catalyst precursor bodies, wherein the side crushing strength of the annular shaped unsupported catalyst precursor bodies is ?12 N and ?23 N; such precursor bodies per se; annular unsupported catalysts having a specific pore structure; and a method of using such annular unsupported catalysts for the catalytic partial oxidative preparation in the gas phase of (meth)acrolein.Type: GrantFiled: September 7, 2004Date of Patent: August 17, 2010Assignee: BASF AktiengesellschaftInventors: Jochen Petzoldt, Klaus Joachim Mueller-Engel, Signe Unverricht
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Publication number: 20100190869Abstract: The present invention relates to a process for preparing at least one compound with Z?1 cycles and 7 to 16 carbon atoms with at least one aldehyde group, at least comprising the stages: (a1) oxidation of a composition (A), at least comprising a cyclic olefin with Z cycles and 7 to 16 carbon atoms and at least two C—C double bonds, by means of dinitrogen monoxide to give a composition (A1), (a2) separating off the at least one cyclic olefin with Z cycles and 7 to 16 carbon atoms with at least two C—C double bonds from the composition (A1) from stage (a1) in order to obtain a composition (A2), (b1) separating off the at least one cyclic compound with Z cycles and 7 to 16 carbon atoms with a keto group from the composition (A2) from step (a2), in order to obtain a composition (B1), comprising at least 50% by weight of the at least one compound with Z?1 cycles and 7 to 16 carbon atoms with at least one aldehyde group and at least two C—C double bonds, where Z may be 1, 2, 3 or 4.Type: ApplicationFiled: January 27, 2010Publication date: July 29, 2010Applicant: BASF SEInventors: Joaquim Henrique Teles, Beatrice Rößler-Feigel, Alexander Hauk, Christian Müller, Michael Schelper, Tanja Kirchner, Susanne Szeschkus
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Patent number: 7723549Abstract: A process for preparing at least one target product by partial oxidation and/or ammoxidation of propylene, in which the propylene source used is a propane dehydrogenation, the propane used therein being obtained by a rectificative prepurification of crude propane.Type: GrantFiled: April 27, 2006Date of Patent: May 25, 2010Assignee: BASF AktiengesellschaftInventors: Armin Diefenbacher, Claus Hechler, Christoph Adami, Martin Dieterle
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Patent number: 7538236Abstract: The present invention relates generally to polymers and monomers derived from agricultural feedstocks, and more particularly to methods for the production of monomers from renewable agricultural resources such as feedstocks, for example canola, flax and tallow, and polymers, in particular polyurethanes produced from monomers derived from such feedstocks. The present invention also relates to novel processes for the production of short-chain alcohols, as well as hydroxyl wax esters, from renewable feedstocks. An improved apparatus for carrying out ozonolysis reactions is also disclosed.Type: GrantFiled: January 4, 2007Date of Patent: May 26, 2009Inventors: Suresh Narine, Peter Sporns, Jin Yue
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Publication number: 20090030230Abstract: The invention relates to mixed oxide catalysts for the catalytic gas-phase oxidation of olefins and methylated aromatics, processes for producing the catalysts and the reaction with air or oxygen in the presence of inert gases in various ratios at elevated temperatures and pressure to form aldehydes and carboxylic acids.Type: ApplicationFiled: September 15, 2006Publication date: January 29, 2009Inventors: Achim Fischer, Werner Burkhardt, Christoph Weckbecker, Klaus Huthmacher, Frank Wilz
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Publication number: 20080300414Abstract: A process for recharging the reaction tubes of a tube bundle reactor with a new fixed catalyst bed, in which a heterogeneously catalyzed partial gas phase oxidation of an organic compound had been performed beforehand in a preceding fixed catalyst bed comprising Mo-comprising multielement oxide active compositions to form a steam-comprising product gas mixture, in which, before the recharge, solid deposit which had been deposited on the tube inner walls and comprises molybdenum oxide and/or molybdenum oxide hydrate is brushed away with the aid of a brush.Type: ApplicationFiled: May 30, 2008Publication date: December 4, 2008Applicant: BASF SEInventors: Volker SCHLIEPHAKE, Klaus BOTT, Rolf-Dieter BECHER, Klaus Joachim MULLER-ENGEL, Jochen PETZOLDT, Ulrich CREMER, Andreas RAICHLE
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Publication number: 20080228001Abstract: An object of the present invention is to provide a method for producing (meth)acrylic acid or (meth)acrolein by conducting a gas phase catalytic oxidation reaction with an oxygen-containing gas using as a raw material at least one substance to be oxidized selected from propylene, propane, isobutylene and (meth)acrolein using a multi-tubular reactor, which enables a high yield and stable production even when operating constantly with supplying the raw material in the maximum supply amount acceptable by the reactor or an amount close thereto. The invention is a method for producing (meth)acrylic acid or (meth)acrolein wherein, at the time of a start-up of the reaction, for a period of at least 20 hours or more after the supply amount of the raw material to the reactor per unit time reached 30% or more of the acceptable maximum supply amount of the raw material per unit time, the supply amount of the raw material per unit time is kept at 30% or more and less than 80% of the acceptable maximum supply amount.Type: ApplicationFiled: November 5, 2004Publication date: September 18, 2008Applicant: Mitsubishi Chemical CorporationInventors: Yasushi Ogawa, Shuhei Yada, Yoshiro Suzuki, Kenji Takasaki, Kimikatsu Jinno
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Patent number: 7253308Abstract: A process for the continuous gas-phase oxidation of C3- and C4-precursors to (meth)acrolein and/or (meth)acrylic acid in the presence of a catalyst in a reactor which has a feed for the reaction mixture at one reactor end and removal of the reaction mixture at the opposite reactor end and which is equipped with means, arranged in the interior of the reactor, for removing the heat of reaction, through which means a heat exchange composition flows and which means are in the form of heat exchanger plates, is proposed.Type: GrantFiled: November 3, 2000Date of Patent: August 7, 2007Assignee: BASF ActiengesellschaftInventors: Claus Hechler, Otto Machhammer, Gerhard Olbert, Uwe Stabel, Peter Zehner
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Patent number: 7115775Abstract: ?,?-ethylenically unsaturated aldehydes and/or carboxylic acids are prepared by means of a two-stage catalytic gas-phase oxidation in which a gas mixture comprising at least an alkane or alkene having from three to six carbon atoms and oxygen is subjected to a catalytic oxidation reaction, in the first stage (1). oxygen is added to the gases produced in the first stage (1) and the resulting mixture is introduced into the second stage (2) in which it is subjected to a further catalytic oxidation reaction. In the process of the present invention, a signal which correlates with the oxygen content of the reaction gases before and/or after the addition of oxygen between the first and second stages (1, 2) is generated and the oxygen addition is regulated as a function of the signal.Type: GrantFiled: April 8, 2002Date of Patent: October 3, 2006Assignee: BASF AktiengesellschaftInventors: Thomas Buschulte, Volker Diehl, Bernd Hagen, Volker Huth, Wolfgang Kasten, Peter Schlemmer, Axel Schroth
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Patent number: 6956137Abstract: The invention relates to a method for oxidizing organic substrates using 1O2 in which hydrophobic organic substrates that react with 1O2 are added to an organic solvent in the presence of a heterogeneous or homogeneous catalyst with 30–70% being compr Afterwards, H2O2 is catalytically decomposed into water and 1O2, and the oxidation into corresponding oxidation products ensues.Type: GrantFiled: March 23, 2000Date of Patent: October 18, 2005Assignee: DSM Fine Chemicals Austria NFG GmbH & CO KGInventors: Jean-Marie Aubry, Veronique Rataj-Nardello, Paul Alsters
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Patent number: 6809219Abstract: A catalyst useful for the gas phase oxidation of alkanes to unsaturated aldehydes or carboxylic acids is disclosed. Processes for preparing the catalyst and using the catalyst to convert alkanes to unsaturated aldehydes or carboxylic acids are also disclosed.Type: GrantFiled: December 9, 2002Date of Patent: October 26, 2004Assignee: Rohm and Haas CompanyInventors: Scott Han, Dominique Hung Nhu Le, Nneka Namono McNeal
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Patent number: 6670509Abstract: A process for oxygenating organic substrates such as aliphatic hydrocarbons has been developed. The process involves contacting the organic substrate with oxygen in the presence of a bicyclo imide promoter and a metal co-catalyst. The process is preferably carried out using sulfolane as the solvent. Optionally, the oxygenated product can be hydrogenated to give the corresponding alcohol which can optionally in turn be dehydrated to provide the corresponding olefin.Type: GrantFiled: April 11, 2002Date of Patent: December 30, 2003Assignee: UOP LLCInventors: Paul R. Kurek, David W. House
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Patent number: 6563006Abstract: Catalytic processes have been developed for direct ambient air oxidative conversion of hydrocarbons to aldehydes and unsaturated alcohols. Aliphatic hydrocarbons including methane, hexanes, octanes, decanes, gasoline, diesel fuel, oils, solvents and other organic compounds have been oxidized by this catalytic process. The catalysts are based on molecular strings of di-, tri- and/or poly-groups of transition metal complexes. Laboratory results have demonstrated [iron(II)]2, [manganese(II)]2 and related families of catalysts to be effective for ambient air direct oxidative conversion of hydrocarbons to products in high yields at room temperature and above, while [cobalt(II)]3 was effective for air oxidative conversion of methane to formaldehyde and for other gaseous hydrocarbons to their corresponding aldehydes at elevated temperatures.Type: GrantFiled: April 30, 2001Date of Patent: May 13, 2003Inventor: Melvin K. Carter
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Patent number: 6486360Abstract: The invention relates to a method for oxidizing organic substrate by using 1O2. According to the inventive method, organic substrates that react with 1O2 are mixed with 30-70% H2O2 in water, in an organic solvent or in a mixture thereof in the presence of a lanthanide as the catalyst. H2O2 is catalytically decomposed to water and 1O2 and is then oxidized to the corresponding oxidation products.Type: GrantFiled: September 28, 2001Date of Patent: November 26, 2002Assignee: DSM Fine Chemicals Austria NFG GmbH & CO KGInventors: Jean-Marie Aubry, Veronique Rataj-Nardello, Paul Alsters
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Patent number: 6365784Abstract: The invention relates to a process for preparing carbonyl compounds from olefins and an oxidizing agent in which the olefin is oxidized in a reactor, a reaction gas mixture which comprises unoxidized olefin being formed, which comprises separating off unoxidized olefin at least in part from the reaction gas mixture by a membrane process.Type: GrantFiled: July 27, 2000Date of Patent: April 2, 2002Assignee: Axiva GmbHInventors: Hermann Berwe, Rüdiger Knauf, Herbert Neumann, Matthias Stumpf, Manfred Wolter
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Publication number: 20020038057Abstract: Processes applying mesoporous titanium containing zeolite based catalysts for selective oxidation or epoxidation of hydrocarbons by peroxides.Type: ApplicationFiled: September 21, 2001Publication date: March 28, 2002Applicant: Haldor Topsoe A/SInventors: Iver Schmidt, Michael Brorson, Claus J.H. Jacobsen
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Publication number: 20020007088Abstract: As an improvement in the process for preparing unsaturated aldehydes and unsaturated carboxylic acids through vapor-phase catalytic oxidation of at least one starting compound selected from propylene, isobutylene, t-butanol and methyl-t-butyl ether with molecular oxygen or a molecular oxygen-containing gas, using a fixed bed shell-and-tube type reactor which is filled with shaped catalysts, a process capable of effectively inhibiting occurrence of hot spots or excessive heat generation at the hot spots and producing unsaturated aldehydes and unsaturated carboxylic acids at high yields is provided.Type: ApplicationFiled: May 11, 2001Publication date: January 17, 2002Applicant: Michio TanimotoInventors: Michio Tanimoto, Tadashi Sento
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Patent number: 6320084Abstract: The invention pertains to a process for the preparation of glyceraldehyde, or an acetal or a hemiacetal thereof, characterized in that 3-butene-1,2-diol is dissolved in a lower alkanol and is subjected to ozonolysis to obtain a 3-hydroperoxy-3-alkoxy-propane-1,2-diol, which is subjected to a reductive treatment to obtain a hemiacetal of glyceraldehyde, which optionally may be converted into glyceraldehyde or an acetal or hemiacetal thereof, and to a process wherein the hemiacetal of glyceraldehyde is converted to a 3-aminopropane-1,2-diol derivative, by subjecting the hemiacetal of glyceraldehyde to a reductive treatment in the presence of ammonia or a primary or secondary amine.Type: GrantFiled: February 26, 2001Date of Patent: November 20, 2001Assignee: Akzo Nobel NVInventors: Ulrich Wecker, Manfred Josef Bergfeld
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Industrial process for the heterogeneously catalytic gas-phase oxidation of propane to form acrolein
Patent number: 6252122Abstract: In an industrial process for the heterogeneously catalyzed gas-phase oxidation of propane with molecular oxygen to give acrolein, the feed gas mixture having an initial undiluted molar ratio of the reactants propane:O2 of 7:3 is diluted with the reactant propane and, if desired, inert gases in such a way that the feed gas mixture comprises more than 70% by volume of propane and at least 5% by volume of O2.Type: GrantFiled: December 4, 1998Date of Patent: June 26, 2001Assignee: BASF AktiengesellschaftInventors: Andreas Tenten, Theo Proll, Hans-Peter Schildberg -
Patent number: 6187963Abstract: Processes are disclosed for the conversion of propylene to an acrolein derivative by converting propylene to acrolein and converting acrolein to the acrolein derivative. The processes utilize oxygen and recycle propane to the acrolein reactor. Process feeds can comprise, propane, propylene or mixtures thereof. The presence of propane in the propylene-to-acrolein reaction can enhance the efficiency of the processes.Type: GrantFiled: October 9, 1998Date of Patent: February 13, 2001Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: William George Etzkorn, Richard A. Galley, Thomas E. Snead, Jonathan Lester Brockwell, Mark Anderson Young, John Michael Maher, Barbara Knight Warren