Patents by Inventor Martin Brudermueller
Martin Brudermueller 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: 6787009Abstract: Electrolysis cell consisting of 2 monopolar electrodes and one or more intermediate bipolar electrodes, where the one monopolar electrode and the parts of the bipolar electrodes charged in the same sense thereto together form the working electrode and the other monopolar electrode and the parts of the bipolar electrodes charged in the same sense thereto together form the counter electrode the space between counter and working electrode is undivided the surface of the counter electrode consists of electrochemically active and inactive parts the sum of the electrochemically active parts of the surface of the counter electrode is smaller by a large amount than that of the electrochemically active parts of the surface of the working electrode.Type: GrantFiled: December 13, 2001Date of Patent: September 7, 2004Assignee: BASF AktiengesellschaftInventors: Claudia Merk, Martin Brudermüller, Hermann Pütter
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Patent number: 6201160Abstract: Alcohols are prepared by the catalytic hydrogenation of the corresponding carbonyl compounds at elevated temperatures and at superatmospheric pressure in the liquid phase by a process in which the catalyst used contains copper on an SiO2-containing carrier in the presence or absence of one or more of the elements magnesium, barium, zinc and chromium.Type: GrantFiled: November 19, 1996Date of Patent: March 13, 2001Assignee: BASF AktiengesellschaftInventors: Martin Brudermüller, Matthias Irgang, Martin Schmidt-Radde, Franz Merger, Tom Witzel, Detlef Kratz, Eckehard Danz, Arnold Wittwer, Michael Hesse, Manfred Sauerwald, Cristina Freire Erdbrügger
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Patent number: 5563178Abstract: An expandable styrene polymer comprisinga) from 0 to 90% by weight of a styrene polymer or styrene copolymer other than b) contains at least 50% by weight of copolymerized styrene,b) from 10 to 100% by weight of a styrene/methacrylamide copolymer comprising from 0.5 to 50% by weight of at least one copolymerized N-substituted methacrylamide of the formula I ##STR1## where R.sup.1 and R.sup.2 are identical or different and are hydrogen, C.sub.1 - to C.sub.15 -alkyl, C.sub.6 - to C.sub.16 -cycloalkyl or C.sub.6 - to C.sub.20 -aryl, it being possible, if R.sup.1 and R.sup.2 contain at least 2 carbon atoms, for at least 2 carbon atoms to be linked via hetero atoms, andc) from 1 to 15% by weight, based on the sum of a) and b), of an aliphatic C.sub.3 - to C.sub.9 -hydrocarbon and/or carbon dioxide as blowing agent.Type: GrantFiled: May 22, 1995Date of Patent: October 8, 1996Assignee: BASF AktiengesellschaftInventors: Rolf Henn, Siegmund Besecke, Andreas Deckers, Norbert Guentherberg, Martin Brudermueller, Gerhard Nestler, Karl-Heinz Wassmer
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Patent number: 5464881Abstract: An expandable styrene polymer comprisinga) from 0 to 90% by weight of a styrene polymer or styrene copolymer other than b) contains at least 50% by weight of copolymerized styrene,b) from 10 to 100% by weight of a styrene/methacrylamide copolymer comprising from 0.5 to 50% by weight of at least one copolymerized N-substituted methacrylamide of the formula I ##STR1## where R.sup.1 and R.sup.2 are identical or different and are hydrogen, C.sub.1 - to C.sub.15 -alkyl, C.sub.6 - to C.sub.16 -cycloalkyl or C.sub.6 - to C.sub.20 -aryl, it being possible, if R.sup.1 and R.sup.2 contain at least 2 carbon atoms, for at least 2 carbon atoms to be linked via hetero atoms, andc) from 1 to 15% by weight, based on the sum of a) and b), of an aliphatic C.sub.3 - to C.sub.9 -hydrocarbon and/or carbon dioxide as blowing agent.Type: GrantFiled: November 22, 1994Date of Patent: November 7, 1995Assignee: BASF AktiengesellschaftInventors: Rolf Henn, Siegmund Besecke, Andreas Deckers, Norbert Guentherberg, Martin Brudermueller, Gerhard Nestler, Karl-Heinz Wassmer
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Patent number: 5434291Abstract: A process for the preparation of aminopropionitriles of the general formula I ##STR1## in which R denotes hydrogen or methyl, wherein ammonia is caused to react with an acrylonitrile of the general formula II ##STR2## In which the substituent has the aforementioned meanings, in a molar ratio of from 1:1 to 500:1 over a heterogenic catalyst at temperatures ranging from 40.degree. to 180.degree. C. and pressures ranging from 10 to 350 bar.Type: GrantFiled: June 1, 1994Date of Patent: July 18, 1995Assignee: BASF AktiengsellschaftInventors: Tom Witzel, Rudolf Kummer, Franz Merger, Guido Voit, Martin Brudermueller, Claus-Ulrich Priester, Wolfgang Harder
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Patent number: 5399705Abstract: 1,1'-bis(3-aminopropyl)-2,2'-diimidazole of the formula I ##STR1## is prepared by a novel process in which 2,2'-diimidazole of the formula II ##STR2## is reacted with acrylonitrile of the formula III ##STR3## in the presence of basic catalysts at from 80.degree. to 150.degree. C., and hydrogenation is carried out with excess hydrogen in the presence of ammonia on catalysts which contain cobalt, nickel, ruthenium and/or noble metals at from 40.degree. to 200.degree. C. under from 10 to 200 bar.Type: GrantFiled: September 16, 1993Date of Patent: March 21, 1995Assignee: BASF AktiengesellschaftInventors: Franz Merger, Klaus Ebel, Martin Brudermueller
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Patent number: 5380918Abstract: 4-Acetoxystyrene of the formula I ##STR1## is prepared by a process in which a 1-(4-acetoxyphenyl)ethyl carboxylate of the formula II ##STR2## where R is C.sub.1 -C.sub.10 -alkyl, C.sub.3 -C.sub.6 -cycloalkyl, aryl or C.sub.7 -C.sub.10 -aralkyl, is converted in the presence of an acidic catalyst and of a polymerization inhibitor in an inert heat transfer medium at from 160.degree. to 250.degree. C. and from 0.1 to 300 mbar.Type: GrantFiled: September 27, 1993Date of Patent: January 10, 1995Assignee: BASF AktiengesellschaftInventors: Martin Brudermueller, Franz Merger
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Patent number: 5334745Abstract: 3-Aminopropionitriles of the general formula I ##STR1## where R.sup.1,R.sup.2,R.sup.3,R.sup.4 and R.sup.5 independently of one another are each hydrogen, C.sub.1 -C.sub.20 -alkyl, C.sub.1 -C.sub.8 -aminoalkyl, C.sub.1 -C.sub.8 -cyanoalkyl, C.sub.3 -C.sub.20 -cycloalkyl, C.sub.7 -C.sub.20 -aralkyl or aryl,are prepared by a process in which an amine of the general formula II ##STR2## is reacted with an acrylonitrile of the general formula III ##STR3## where the substituents have the abovementioned meanings, in a molar ratio of from 0.9:1 to 100:1 over a heterogeneous catalyst at from 40.degree. to 200.degree. C. and from 1 to 350 bar.Type: GrantFiled: May 28, 1993Date of Patent: August 2, 1994Assignee: BASF AktiengesellschaftInventors: Martin Brudermueller, Tom Witzel, Franz Merger
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Patent number: 5300678Abstract: A process for the preparation of a .omega.-(O-substituted urethano)alkylcarboxylate, wherein a lactam having from 4 to 9 ring members, which can have alkyl, alkenyl, cycloalkyl, or aralkyl groups containing up to 12 carbon atoms as substituents, is reacted with a carbonic diester of an alkanol, alkenol, cycloalkanol, or aralkanol containing up to 16 carbon atoms, at a temperature of from 25.degree. to 300.degree. C. in the presence of a catalytically effective amount of a base.Type: GrantFiled: February 5, 1993Date of Patent: April 5, 1994Assignee: BASF AktiengesellschaftInventors: Franz Merger, Martin Brudermueller
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Patent number: 5268499Abstract: A process for preparing mixtures of 3-aminopropionitrile of the formula IH.sub.2 N--CH.sub.2 --CH.sub.2 --CN (I)and ethylene cyanohydrin of the formula IIHO--CH.sub.2 --CH.sub.2 --CN (II)comprises reacting bis(2-cyanoethyl) ether of the formula IIINC--CH.sub.2 --CH.sub.2 --O--CH.sub.2 --CH.sub.2 --CN (III)with ammonia at from 50 to 170.degree. C. and under from 1 to 500 bar thermally or in the presence of a heterogeneous catalyst.Type: GrantFiled: April 19, 1993Date of Patent: December 7, 1993Assignee: BASF AktiengesellschaftInventors: Franz Merger, Martin Brudermueller, Wolfgang Harder, Juergen Hartig, Dieter Franz
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Patent number: 5254752Abstract: The invention provides a process for the preparation of a 4-halobenzyl alcohol of the formula ##STR1## where R.sup.1 is hydrogen, C.sub.1 - to C.sub.20 -alkyl, C.sub.2 - to C.sub.20 -alkoxyalkyl, C.sub.3 - to C.sub.20 -cycloalkyl, or C.sub.4 - to C.sub.30 -cycloalkylalkyl,R.sup.2 is C.sub.1 - to C.sub.20 -alkyl, C.sub.2 - to C.sub.20 -alkoxyalkyl, C.sub.3 - to C.sub.20 -cycloalkyl or C.sub.4 - to C.sub.30 -cycloalkylalkyl,X is halogen andm is 0 to 2,by reacting a haloaromatic carbonyl compound of the formula ##STR2## where R.sup.1, R.sup.2, X and m are as defined above, with hydrogen on a hydrogenation catalyst consisting essentially of copper oxide (I), copper oxide (II) and mixtures thereof in the presence of at least one primary, secondary or tertiary amine selected from the group consisting of acyclic, cyclic and heterocyclic aliphatic amines, in the presence or absence of an inert solvent, at from 50.degree. to 130.degree. C. and at from 10 to 200 bar.Type: GrantFiled: October 14, 1992Date of Patent: October 19, 1993Assignee: BASF AktiengesellschaftInventors: Franz Merger, Martin Brudermueller, Martin Schmidt-Radde
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Patent number: 5247120Abstract: Abstract of the Disclosure: Aminopropionitriles of the general formula I ##STR1## where R is hydrogen or methyl, wherein ammonia is reacted with an acrylonitrile of the general formula II ##STR2## where the substituents have the abovementioned meanings, in a molar ratio of from 1:1 to 500:1 over a heterogeneous catalyst at from 40.degree. to 180.degree. C. and from 10 to 350 bar.Type: GrantFiled: July 30, 1992Date of Patent: September 21, 1993Assignee: BASF AktiengesellschaftInventors: Franz Merger, Martin Brudermueller, Claus-Ulrich Priester, Wolfgang Harder, Siegfried Winderl
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Patent number: 5202465Abstract: 2-Methylenepropane-1,3-diol dicarboxylates are prepared by reacting pentaerythritol tetracarboxylates on solid catalysts at elevated temperatures.Type: GrantFiled: June 26, 1992Date of Patent: April 13, 1993Assignee: BASF AktiengesellschaftInventors: Franz Merger, Tom Witzel, Martin Brudermueller