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).

  • Patent number: 7183438
    Abstract: 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: Grant
    Filed: March 7, 2003
    Date of Patent: February 27, 2007
    Assignee: BASF Aktiengesellschaft
    Inventors: Till Gerlach, Frank Funke, Johann-Peter Melder, Stefan Iselborn, Martin Rudloff, Michael Hüllmann
  • Patent number: 7105662
    Abstract: 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: Grant
    Filed: March 15, 2002
    Date of Patent: September 12, 2006
    Assignee: BASF Akteingesellschaft
    Inventors: Michael Henningsen, Andreas Kusche, Michael Hüllmann, Lothar Rüb, Stefan Käshammer, Till Gerlach
  • Publication number: 20050107637
    Abstract: 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: Application
    Filed: March 7, 2003
    Publication date: May 19, 2005
    Inventors: Till Gerlach, Frank Funke, Johann-Peter Melder, Stefan Iselborn, Martin Rudloff, Michael Hullmann
  • Patent number: 6790995
    Abstract: 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: Grant
    Filed: January 3, 2002
    Date of Patent: September 14, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Joachim Pfeffinger, Michael Hüllmann, Arthur Höhn, Frank Funke, Frank Ohlbach, Till Gerlach
  • Publication number: 20040077857
    Abstract: The present invention relates to a process for the preparation of N-substituted 2,6-dialkylmorpholines of the formula I 1
    Type: Application
    Filed: September 11, 2003
    Publication date: April 22, 2004
    Inventors: Michael Henningsen, Andreas Kusche, Michael Hullmann, Lothar Rub, Stefan Kashammer, Till Gerlach
  • Patent number: 6525223
    Abstract: 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: Grant
    Filed: December 27, 2001
    Date of Patent: February 25, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Joachim Pfeffinger, Michael Hüllmann, Arthur Höhn, Frank Funke, Frank Ohlbach, Till Gerlach
  • Publication number: 20020128513
    Abstract: Secondary amines of the formula (II)
    Type: Application
    Filed: December 27, 2001
    Publication date: September 12, 2002
    Inventors: Joachim Pfeffinger, Michael Hullmann, Arthur Hohn, Frank Funke, Frank Ohlbach, Till Gerlach
  • Publication number: 20020091194
    Abstract: Mixtures of primary amines of the formula (I)
    Type: Application
    Filed: January 3, 2002
    Publication date: July 11, 2002
    Inventors: Joachim Pfeffinger, Michael Hullmann, Arthur Hohn, Frank Funke, Frank Ohlbach, Till Gerlach
  • Patent number: 5952262
    Abstract: 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: Grant
    Filed: September 30, 1996
    Date of Patent: September 14, 1999
    Assignee: BASF Aktiengesellschaft
    Inventors: Lothar Karrer, Frank-Friedrich Pape, Heinz-Josef Kneuper, Michael Hullmann
  • Patent number: 5747411
    Abstract: 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: Grant
    Filed: August 10, 1995
    Date of Patent: May 5, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Lothar Karrer, Frank-Friedrich Pape, Ulrich Kohler, Rainer Becker, Peter Weidlich, Michael Hullmann, Heinz-Josef Kneuper
  • Patent number: 5489694
    Abstract: 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: Grant
    Filed: July 25, 1994
    Date of Patent: February 6, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Joachim Paust, Peter Eckes, Wolfgang Siegel, Friedhelm Balkenhohl, Walter Dobler, Michael Hullmann
  • Patent number: 5380920
    Abstract: 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: Grant
    Filed: August 30, 1993
    Date of Patent: January 10, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Joachim Paust, Peter Eckes, Wolfgang Siegel, Friedhelm Balkenhohl, Walter Dobler, Michael Hullmann
  • Patent number: 4918232
    Abstract: 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: Grant
    Filed: June 29, 1988
    Date of Patent: April 17, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Josef Buysch, Michael Hullmann, Lothar Puppe
  • Patent number: 4879367
    Abstract: 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: Grant
    Filed: June 29, 1988
    Date of Patent: November 7, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karl-Erwin Piejko, Bruno Bomer, Hans-Josef Buysch, Michael Hullmann