Patents by Inventor Hans-Georg Gobbel
Hans-Georg Gobbel has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8609879Abstract: A method for separating acetonitrile from water, comprising (i) providing a stream S1 containing at least 95 wt.-%, based on the total weight of S1, acetonitrile and water, wherein the weight ratio of acetonitrile: water is greater than 1; (ii) adding a stream P, comprising at least 95 wt.-% C3, based on the total weight of stream P, to S1 to obtain a mixed stream S2, C3 being propene optionally admixed with propane with a minimum weight ratio of propene: propane of 7:3; (iii) subjecting S2 to a temperature of 92° C. at most and a pressure of at least 10 bar, obtaining a first liquid phase L1 essentially consisting of C3, acetonitrile, and water, and a second liquid phase L2 essentially consisting of water and acetonitrile wherein the weight ratio of acetonitrile: water in L2 is less than 1; (iv) separating L1 from L2.Type: GrantFiled: July 16, 2010Date of Patent: December 17, 2013Assignees: BASF SE, The Dow Chemical CompanyInventors: Joaquim Henrique Teles, Hans-Georg Göbbel, Peter Baβler, Philip Kampe, Kai Gumlich, Christian Bartosch, Ulrich Müller, Richard Jacubinas, Natalia Trukhan, Meinolf Weidenbach, Martin Cogswell
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Publication number: 20120142950Abstract: A continuous process for the production of propylene oxide comprising reacting propene with hydrogen peroxide in methanolic solution in the presence of a titanium silicalite-1 catalyst to obtain propylene oxide, wherein a reaction feed comprising propene, methanol and hydrogen peroxide is introduced into a reactor, said reaction feed containing potassium cations and phosphorus in the form of anions of at least one phosphorus oxyacid.Type: ApplicationFiled: December 6, 2011Publication date: June 7, 2012Applicants: The Dow Chemical Company, BASF SEInventors: Joaquim Henrique TELES, Kai Gumlich, Peter Bassler, Christian Bartosch, Philip Kampe, Hans-Georg Göbbel, Ulrich Müller, Richard Jacubinas
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Publication number: 20110065939Abstract: A method for separating acetonitrile from water, comprising (i) providing a stream S1 containing at least 95 wt.-%, based on the total weight of S1, acetonitrile and water, wherein the weight ratio of acetonitrile:water is greater than 1; (ii) adding a stream P, comprising at least 95 wt.-% C3, based on the total weight of stream P, to S1 to obtain a mixed stream S2, C3 being propene optionally admixed with propane with a minimum weight ratio of propene:propane of 7:3; (iii) subjecting S2 to a temperature of 92° C. at most and a pressure of at least 10 bar, obtaining a first liquid phase L1 essentially consisting of C3, acetonitrile, and water, and a second liquid phase L2 essentially consisting of water and acetonitrile wherein the weight ratio of acetonitrile:water in L2 is less than 1; (iv) separating L1 from L2.Type: ApplicationFiled: July 16, 2010Publication date: March 17, 2011Applicants: BASF SE, The Dow Chemical CompanyInventors: Joaquim Henrique Teles, Hans-Georg Göbbel, Peter Baßler, Philip Kampe, Kai Gumlich, Christian Bartosch, Ulrich Müller, Richard Jacubinas, Natalia Trukhan, Meinolf Weidenbach, Martin Cogswell
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Publication number: 20100003173Abstract: Process for preparing propylene oxide, which comprises at least the steps (i) and (ii): (i) providing a catalyst comprising at least one porous oxidic material; (ii) reacting propene with a hydroperoxide in at least one nitrile as solvent or in a solvent mixture comprising at least one nitrile in the presence of the catalyst of (i), wherein the at least one porous oxidic material is a zeolite which is assigned X-ray-crystallographically to the MWW type.Type: ApplicationFiled: September 10, 2009Publication date: January 7, 2010Applicant: BASF AktiengesellschaftInventors: Ulrich Müller, Georg Krug, Peter Rudolf, Joaquim Henrique Teles, Hans-Georg Göbbel, Peter Bassler
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Publication number: 20090118523Abstract: A method of separating propylene oxide from a mixture (M) comprising propylene oxide and methanol, said method comprising: (i) introducing said mixture (M) into an extractive distillation column; (ii) additionally introducing an extracting solvent into said extractive distillation column; (iii) distilling propylene oxide overhead from said extractive distillation column as top stream; (iv) withdrawing a bottoms stream from said extractive distillation column; (v) compressing the top stream obtained overhead in (iii) by means of at least one compressor to give a compressed vapor.Type: ApplicationFiled: July 6, 2005Publication date: May 7, 2009Applicants: BASF AKITENGESELLSHAFT, THE DOW CHEMICAL COMPANYInventors: Hans-Georg Gobbel, Henning Schultz, Peter Schultz, Renate Patrascu, Malte Schultz, Meinolf Weidenbach
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Patent number: 7498451Abstract: The invention relates to a process for obtaining a pure aliphatic dialdehyde monoacetal by reaction of the corresponding aliphatic dialdehyde or a precursor of the corresponding aliphatic dialdehyde with one or more aliphatic mono- or polyhydric alcohols while distillatively removing water to obtain a reaction mixture which is separated distillatively, which comprises carrying out the distillative separation continuously in a dividing wall column to obtain pure aliphatic dialdehyde monoacetal as a sidestream from the dividing wall column, or in two distillation columns to obtain crude aliphatic dialdehyde monoacetal as a sidestream in the first distillation column, feed the crude aliphatic dialdehyde monoacetal to the second distillation column and obtain pure aliphatic dialdehyde monoacetal as the sidestream from the second distillation column.Type: GrantFiled: November 27, 2003Date of Patent: March 3, 2009Assignee: BASF AktiengesellschaftInventors: Gerd Haderlein, Hans-Georg Göbbel, Wolfgang Siegel
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Publication number: 20080306290Abstract: The present invention provides a process for the epoxidation of propene which comprises reacting propene with hydrogen peroxide in the presence of methanol as solvent and a titanium zeolite catalyst, the process further comprising separating propylene oxide from the reaction mixture to obtain a mixture comprising methanol, water, at least one carboxylic acid and at least one carbonyl compound, wherein the at least one carboxylic acid is at least partially neutralized, said process optionally comprising a hydrogenation stage.Type: ApplicationFiled: December 18, 2006Publication date: December 11, 2008Applicants: Basf Se, The Dow Chemical CompanyInventors: Hans-Georg Gobbel, Peter Bassler, Joaquim Henrique Teles, Peter Rudolf, Ulrich Muller, Anna Forlin, Malte Schulz, Meinolf Weidenbach
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Publication number: 20080289948Abstract: The present invention relates to a process for separating at least one propylene glycol from a mixture (M) comprising water and said propylene glycol, said process comprising (I) evaporating the mixture in at least two evaporation and/or distillation stages at decreasing operating pressures of the evaporators and/or distillation columns obtaining mixture (M?) and mixture (M?); (II) separating the mixture (M?) obtained in (I) in at least one further distillation step, obtaining a mixture (M-I) comprising at least 70 wt.-% of water and a mixture (M-II) comprising less than 30 wt.-% of water.Type: ApplicationFiled: December 13, 2006Publication date: November 27, 2008Applicants: BASF SE, THE DOW CHEMICAL COMPANYInventors: Armin Diefenbacher, Hans-Georg Gobbel, Stefan Bitterlich, Hartwig Voss, Henning Schultz, Anna Forlin, Renate Patrascu
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Publication number: 20080167484Abstract: The present invention relates to a process for producing propylene oxide comprising (I) reacting propene with hydrogen peroxide in the presence of a catalyst to give a mixture (GI) comprising propylene oxide, unreacted propene, and oxygen; (II) separating propylene oxide from mixture (GI) to give a mixture (GII) comprising propene and oxygen; (III) reducing the oxygen comprised in mixture (GII) at least partially by reaction with hydrogen in the presence of a catalyst comprising Sn and at least one noble metal.Type: ApplicationFiled: June 20, 2006Publication date: July 10, 2008Applicants: BASF Aktiengesellschaft, The Dow Chemical CompanyInventors: Gotz-Peter Schindler, Christian Walsdorff, Reinhard Korner, Hans-Georg Gobbel
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Patent number: 7323579Abstract: A method of separating propylene oxide from a mixture (M) comprising 5 to 50 percent by weight propylene oxide and 50 to 85 percent by weight methanol, said method comprising (i) introducing said mixture (M) into an extractive distillation column; (ii) additionally introducing a polar solvent into said extractive distillation column; (iii) distilling propylene oxide overhead from said extractive distillation column at a bottoms temperature of from 40 to 70° C. and at a pressure of from 300 to 750 mbar.Type: GrantFiled: July 7, 2004Date of Patent: January 29, 2008Assignees: BASF Aktiengesellschaft, The Dow Chemical Company Legal Department Intellectual Property SectionInventors: Hans-Georg Göbbel, Henning Schultz, Peter Schultz, Renate Patrascu, Malte Schulz, Meinolf Weidenbach
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Patent number: 7223876Abstract: The present invention relates to a method of separating an olefin from a gas stream, said gas stream comprising the olefin and at least one other component, said method comprising (i) compressing and cooling the gas stream; (ii) separating the olefin from the gas stream by absorbing the olefin in an absorbent; (iii) separating the olefin from the absorbent by desorption; wherein compressing or cooling or compressing and cooling in (i) is carried out at least twice.Type: GrantFiled: April 21, 2004Date of Patent: May 29, 2007Assignees: BASF Aktiengesellschaft, The Dow Chemical Company, Legal Department, Intellectual Property SectionInventors: Hans-Georg Göbbel, Henning Schultz, Peter Schultz, Renate Patrascu, Malte Schulz, Meinolf Weidenbach
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Publication number: 20070043226Abstract: Process for preparing propylene oxide, which comprises at least the steps (i) and (ii): (i) providing a catalyst comprising at least one porous oxidic material; (ii) reacting propene with a hydroperoxide in at least one nitrile as solvent or in a solvent mixture comprising at least one nitrile in the presence of the catalyst of (i), wherein the at least one porous oxidic material is a zeolite which is assigned X-ray-crystallographically to the MWW type.Type: ApplicationFiled: May 10, 2004Publication date: February 22, 2007Applicant: Basf AktiengesellschaftInventors: Ulrich Muller, Georg Krug, Peter Rudolf, Joaquim Teles, Hans-Georg Gobbel, Peter Bassler
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Publication number: 20070004926Abstract: The present invention relates to a process for producing propylene oxide comprising (I) reacting propene with hydrogen peroxide in the presence of a catalyst to give a mixture (GI) comprising propylene oxide, unreacted propene, and oxygen; (II) separating propylene oxide from mixture (GI) to give a mixture (GII) comprising propene and oxygen; (III) reducing the oxygen comprised in mixture (GII) at least partially by reaction with hydrogen in the presence of a catalyst comprising Sn and at least one noble metal.Type: ApplicationFiled: June 29, 2005Publication date: January 4, 2007Applicants: BASF Aktiengesellschaft, The Dow Chemical CompanyInventors: Gotz-Peter Schindler, Christian Walsdorff, Reinhard Korner, Hans-Georg Gobbel
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Publication number: 20060276662Abstract: Process for preparing an alkene oxide, which comprises at least the steps (i), (ii) and (v): (i) providing a stream S1 comprising compressed, liquid alkene; (ii) depressurizing at least part of the stream S1 with absorption of heat and with at least partial vaporization of the liquid alkene; (v) reacting the alkene obtained in (ii) with a hydroperoxide in the presence of at least one solvent and at least one catalyst to give a mixture comprising alkene oxide and the solvent or solvents.Type: ApplicationFiled: April 16, 2004Publication date: December 7, 2006Inventors: Hans-Georg Gobbel, Peter Bassler, Joaquim Teles, Peter Rudolf
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Publication number: 20060216216Abstract: An apparatus for carrying out a continuous process for preparing propylene glycols.Type: ApplicationFiled: May 26, 2006Publication date: September 28, 2006Applicant: BASF AktiengesellschaftInventors: Peter Bassler, Hans-Georg Gobbel, Joaquim Teles, Peter Rudolf
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Publication number: 20060205964Abstract: Process for preparing propylene oxide, which comprises at least the steps (iii) and (iv) (iii) separating off propylene oxide from a mixture (M1) comprising propylene oxide and at least one solvent by distillation in a distillation column, giving a bottom stream and a vapor stream consisting essentially of propylene oxide; (iv) compressing the vapor stream obtained in (iii) by means of at least one compressor to give a compressed vapor.Type: ApplicationFiled: April 16, 2004Publication date: September 14, 2006Applicant: BASF AktiengesellschaftInventors: Hans-Georg Gobbel, Peter Bassler, Joaquim Teles, Peter Rudolf
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Patent number: 7101824Abstract: The present invention relates to a process for the preparation of iron-doped ruthenium catalysts supported on carbon, and their use for the selective liquid phase hydrogenation of carbonyl compounds to give the corresponding alcohols, in particular for the hydrogenation of citral to give geraniol or nerol or of citronellal to give citronellol.Type: GrantFiled: December 4, 2002Date of Patent: September 5, 2006Assignee: BASF AktiengellsellschaftInventors: Till Gerlach, Hans-Georg Göbbel, Frank Funke, Klaus Ebel, Ekkehard Schwab, Signe Unverricht, Reinhard Körner, Lisa Lobree
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Publication number: 20060167287Abstract: Process for the continuous recirculation of the olefin which has not been reacted in the oxidation of olefins by means of hydroperoxide to give oxiranes and is present in the offgas stream formed during the oxidation, which comprises the steps (i) to (iii) (i) separating the olefin from the offgas stream by absorption in a hydrocarbon, (ii) desorbing the olefin from the hydrocarbon, (iii) recirculating the olefin obtained in step (ii) to the oxidation process.Type: ApplicationFiled: October 23, 2003Publication date: July 27, 2006Applicant: BASF AktiengesellschaftInventors: Peter Bassler, Hans-Georg Gobbel, Joaquim Teles, Peter Rudolf
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Publication number: 20060167286Abstract: The present invention relates to a process for treating a solid material containing at least one zeolite and being at least partly crystalline or treating a shaped body obtained from said solid material wherein said solid material or shaped body is brought in contact with a composition containing water after at least one of the following steps of an integrated process for producing a solid material or a shaped body containing at least one zeolite: (i) after step (II) of separating the at least partly crystalline solid material from its mother liquor or (ii) after step (S) of shaping said solid material into a shaped body or (iii) after a step (C) of calcining said solid material or said shaped body. The present invention furthermore relates to the solid material obtainable by the inventive process and the shaped body obtainable by the inventive process.Type: ApplicationFiled: September 16, 2003Publication date: July 27, 2006Inventors: Ulrich Mueller, Georg Krug, Peter Bassler, Hans-Georg Gobbel, Peter Rudolf, Joaquim Teles
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Publication number: 20060161010Abstract: The invention relates to a process for the epoxidation of an olefin comprising (a) reacting the olefin with hydrogen peroxide in the presence of methanol as solvent in at least two reaction stages to obtain a mixture (M-a) comprising olefin oxide, unreacted olefin, methanol and water, wherein between at least two reaction stages, olefin oxide is separated by distillation; (b) separating unreacted olefin from the mixture (M-a) by distillation to obtain a mixture (M-bi) comprising at least 80 wt.-% of olefin and a mixture (M-bii) comprising methanol, water and at least 7 wt.-% of olefin oxide; (c) separating olefin oxide from the mixture (M-bii) in at least one distillation stage to obtain a mixture (M-ci) comprising at least 99 wt.-% of oletin oxide and a mixture (M-cii) comprising water and at least 55 wt.-% of methanol; (d) separating methanol from the mixture (M-cii) in at least one distillation stage to obtain a mixture (M-di) comprising at least 85 wt.-% of methanol and up to 10 wt.Type: ApplicationFiled: January 18, 2005Publication date: July 20, 2006Applicants: BASF Aktiengesellschaft, The Dow Chemical CompanyInventors: Hans-Georg Gobbel, Henning Schultz, Peter Schultz, Renate Patrascu, Malte Schulz, Meinolf Weidenbach