Patents by Inventor Michael Hullmann
Michael Hullmann 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: 7183438Abstract: Disclosed are catalysts, the catalytically active mass of which contains 22 to 40 percent by weight of oxygen-containing compounds of zirconium, calculated as ZrO2, 1 to 30 percent by weight of oxygen-containing compounds of copper, calculated as CuO, 15 to 50 percent by weight of oxygen-containing compounds of nickel, calculated as NiO, the molar ratio between nickel and copper being greater than 1, 15 to 50 percent by weight of oxygen-containing compounds of cobalt, calculated as CoO, and less than 1 percent by weight of an alkali metal, calculated as alkali metal oxide, prior to being treated with hydrogen. Also disclosed is a method for the production of amines by reacting primary and secondary alcohols, aldehydes, or ketones with hydrogen and nitrogen compounds selected from the group ammonia, primary and secondary amines, in the presence of said catalysts at an elevated temperature and an elevated pressure.Type: GrantFiled: March 7, 2003Date of Patent: February 27, 2007Assignee: BASF AktiengesellschaftInventors: Till Gerlach, Frank Funke, Johann-Peter Melder, Stefan Iselborn, Martin Rudloff, Michael Hüllmann
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Patent number: 7105662Abstract: The present invention relates to a process for the preparation of N-substituted 2,6-dialkylmorpholines of the formula I in which R1 and R2, independently of one another, are hydrogen, alkyl or cycloalkyl, or R1 and R2 together with the carbon atom to which they are bonded are a 5- to 14-membered carbocycle, and R3 and R4, independently of one another, are alkyl or cycloalkyl, by reacting at least one carbonyl compound of the formula II in which R1 and R2 have the meanings given above, with at least one morpholine of the formula III in which R3 and R4 have the meanings given above, in the presence of hydrogen and at least one metal-containing catalyst, wherein the active component of the catalyst consists essentially of platinum group metals.Type: GrantFiled: March 15, 2002Date of Patent: September 12, 2006Assignee: BASF AkteingesellschaftInventors: Michael Henningsen, Andreas Kusche, Michael Hüllmann, Lothar Rüb, Stefan Käshammer, Till Gerlach
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Publication number: 20050107637Abstract: Disclosed are catalysts, the catalytically active mass of which contains 22 to 40 percent by weight of oxygen-containing compounds of zirconium, calculated as ZrO2, 1 to 30 percent by weight of oxygen-containing compounds of copper, calculated as CuO, 15 to 50 percent by weight of oxygen-containing compounds of nickel, calculated as NiO, the molar ratio between nickel and copper being greater than 1, 15 to 50 percent by weight of oxygen-containing compounds of cobalt, calculated as CoO, and less than 1 percent by weight of an alkali metal, calculated as alkali metal oxide, prior to being treated with hydrogen. Also disclosed is a method for the production of amines by reacting primary and secondary alcohols, aldehydes, or ketones with hydrogen and nitrogen compounds selected from the group ammonia, primary and secondary amines, in the presence of said catalysts at an elevated temperature and an elevated pressure.Type: ApplicationFiled: March 7, 2003Publication date: May 19, 2005Inventors: Till Gerlach, Frank Funke, Johann-Peter Melder, Stefan Iselborn, Martin Rudloff, Michael Hullmann
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Patent number: 6790995Abstract: Mixtures of primary amines of the formula (I) X—CH2—NH2 (I) and secondary amines of the formula (II) (X—CH2—)2NH (II) where X is C1-20-alkyl, C2-20-alkenyl or C3-8-cycloalkyl which may be unsubstituted or substituted by C1-20-alkyl, C3-8-cycloalkyl, C4-20-alkylcycloalkyl, C4-20-cycloalkylalkyl, C2-20-alkoxyalkyl, C6-14-aryl, C7-20-alkylaryl, C7-20-aralkyl, C1-20-alkoxy, hydroxy, C1-20-hydroxyalkyl, amino, C1-20-alkylamino, C2-20-dialkylamino, C2-12-alkenylamino. C3-8-cycloalkylamino, arylamino, diarylamino, aryl-C1-8-alkylamino, halogen, mercapto, C2-20-alkenyloxy, C3-8-cycloalkoxy, aryloxy and/or C2-8-alkoxycarbonyl are prepared by reacting nitriles of the formula (III) X—CN (III) with hydrogen at from 50 to 250° C. and pressures of from 5 to 350 bar in the presence of a Pd-containing catalyst comprising, based on the total weight of the catalyst, from 0.1 to 10% by weight of Pd on a support.Type: GrantFiled: January 3, 2002Date of Patent: September 14, 2004Assignee: BASF AktiengesellschaftInventors: Joachim Pfeffinger, Michael Hüllmann, Arthur Höhn, Frank Funke, Frank Ohlbach, Till Gerlach
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Publication number: 20040077857Abstract: The present invention relates to a process for the preparation of N-substituted 2,6-dialkylmorpholines of the formula I 1Type: ApplicationFiled: September 11, 2003Publication date: April 22, 2004Inventors: Michael Henningsen, Andreas Kusche, Michael Hullmann, Lothar Rub, Stefan Kashammer, Till Gerlach
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Patent number: 6525223Abstract: Secondary amines of the formula (II) (X—CH2—)2NH (II) where X is a C1-20-alkyl, C2-20-alkenyl or C3-8-cycloalkyl group which may be unsubstituted or substituted by C1-20-alkyl, C3-8-cycloalkyl, C4-20-alkylcycloalkyl, C4-20-cycoalkylalkyl, C2-20-alkoxyalkyl, C6-14-aryl, C7-20-alkylaryl, C7-20-aralkyl, C1-20-alkoxy, hydroxy, C1-20-hydroxyalkyl, amino, C1-20-alkylamino, C2-20-dialkylamino, C2-12-alkenylamino, C3-8-cycloalkylamino, arylamino, diarylamino, aryl-C1-8-alkylamino, halogen, mercapto, C2-20-alkenyloxy, C3-8-cycloalkoxy, aryloxy and/or C2-8-alkoxycarbonyl, are prepared by reacting nitriles of the formula (III) X—CN (III) with hydrogen at from 20 to 250° C. and pressures of from 60 to 350 bar in the presence of an Rh-containing catalyst comprising from 0.Type: GrantFiled: December 27, 2001Date of Patent: February 25, 2003Assignee: BASF AktiengesellschaftInventors: Joachim Pfeffinger, Michael Hüllmann, Arthur Höhn, Frank Funke, Frank Ohlbach, Till Gerlach
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Publication number: 20020128513Abstract: Secondary amines of the formula (II)Type: ApplicationFiled: December 27, 2001Publication date: September 12, 2002Inventors: Joachim Pfeffinger, Michael Hullmann, Arthur Hohn, Frank Funke, Frank Ohlbach, Till Gerlach
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Publication number: 20020091194Abstract: Mixtures of primary amines of the formula (I)Type: ApplicationFiled: January 3, 2002Publication date: July 11, 2002Inventors: Joachim Pfeffinger, Michael Hullmann, Arthur Hohn, Frank Funke, Frank Ohlbach, Till Gerlach
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Patent number: 5952262Abstract: Preparation of aromatic or heteroaromatic nitrites of the formula I ##STR1## where X is nitrogen or C-R.sup.6 and all of the R substituents represent hydrogen, alkyl, halogen, nitro, amino or similar groups, provided at least one substituent is a cyano or alkylcyano group. The nitrites I are produced by reacting aromatic or heteroaromatic hydrocarbons of the formula II ##STR2## where X is nitrogen or C-R.sup.6, provided at least one substituent is C.sub.1 -C.sub.8 -alkyl, with ammonia and oxygen at 200 to 600.degree. C. under a pressure of 0.1 to 5 bar in the gas phase over a supported catalyst containing 0.5 to 20% by weight of vanadium oxide. The supported catalyst consists of from 2 to 30 particle fractions whose mean diameters differ by from 10 to 80% and the supporting carrier of the catalyst has a bulk density of 0.6 to 1.2 kg/liter.Type: GrantFiled: September 30, 1996Date of Patent: September 14, 1999Assignee: BASF AktiengesellschaftInventors: Lothar Karrer, Frank-Friedrich Pape, Heinz-Josef Kneuper, Michael Hullmann
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Patent number: 5747411Abstract: Supported catalysts which are suitable for ammonoxidation, comprisinga) a spherical or approximately spherical support material which essentially comprises aluminum oxide, silicon dioxide, titanium dioxide and/or zirconium dioxide and whose bulk density is from 0.6 to 1.2 kg/l, andb) an active material which comprises, as essential components, vanadium and antimony in oxidic form.Type: GrantFiled: August 10, 1995Date of Patent: May 5, 1998Assignee: BASF AktiengesellschaftInventors: Lothar Karrer, Frank-Friedrich Pape, Ulrich Kohler, Rainer Becker, Peter Weidlich, Michael Hullmann, Heinz-Josef Kneuper
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Patent number: 5489694Abstract: A process for preparing R/S-.gamma.-lipoic acid of the formula I or R/S-.alpha.-lipoic acid of the formula II ##STR1## is disclosed.Type: GrantFiled: July 25, 1994Date of Patent: February 6, 1996Assignee: BASF AktiengesellschaftInventors: Joachim Paust, Peter Eckes, Wolfgang Siegel, Friedhelm Balkenhohl, Walter Dobler, Michael Hullmann
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Patent number: 5380920Abstract: A process for preparing R/S-.gamma.-lipoic acid of the formula I or R/S-.alpha.-lipoic acid of the formula II ##STR1## is disclosed.Type: GrantFiled: August 30, 1993Date of Patent: January 10, 1995Assignee: BASF AktiengesellschaftInventors: Joachim Paust, Peter Eckes, Wolfgang Siegel, Friedhelm Balkenhohl, Walter Dobler, Michael Hullmann
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Patent number: 4918232Abstract: A process for separating from each other aniline and aniline derivatives having different numbers of C atoms bound to the N atoms is disclosed herein, this process being characterized in that a mixture of the substances mentioned is treated in liquid phase with zeolites of the faujasite type at a temperature from 0.degree. C. to 190.degree. C.Type: GrantFiled: June 29, 1988Date of Patent: April 17, 1990Assignee: Bayer AktiengesellschaftInventors: Hans-Josef Buysch, Michael Hullmann, Lothar Puppe
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Patent number: 4879367Abstract: Process for the preparation of aliphatic polycarbonates by polymerizing cyclic aliphatic carbonates in the presence of initiators and/or catalysts, in which the initiators used are alkoxy silanes of the formula ##STR1## in which R.sub.1, R.sub.2 and R.sub.3 independently of one another represent a C.sub.1 -C.sub.4 -alkyl radical, n is an interger from 1 to 6 andR.sub.4 denotes an n-valent, optionally substituted, aliphatic hydrocarbon radical,and the catalysts used are the nucleophilic catalysts which are known from group transfer polymerization.Type: GrantFiled: June 29, 1988Date of Patent: November 7, 1989Assignee: Bayer AktiengesellschaftInventors: Karl-Erwin Piejko, Bruno Bomer, Hans-Josef Buysch, Michael Hullmann