Patents by Inventor Rene Lochtman
Rene Lochtman 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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Publication number: 20100009094Abstract: Method for producing structured electrically conductive surfaces on a substrate, which comprises the following steps: a) structuring a base layer containing electrolessly and/or electrolytically coatable particles on the substrate by ablating the base layer according to a predetermined structure with a laser, b) activating the surface of the electrolessly and/or electrolytically coatable particles and c) applying an electrically conductive coating onto the structured base layer.Type: ApplicationFiled: January 17, 2008Publication date: January 14, 2010Applicant: BASF SE Patents, Trademarks and LicensesInventors: Rene Lochtman, Jürgen Kaczun, Norbert Wagner, Jürgen Pfister
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Publication number: 20100006442Abstract: The present invention relates to processes for application of a metal layer on a substrate via deposition of a metal from a metal salt solution by a chemical and/or electroplating method, a significant factor in these processes being that carbon nanotubes are present in the substrate surface. The present invention moreover relates to the use of carbon nanotubes for application of a metal layer on a substrate.Type: ApplicationFiled: July 27, 2007Publication date: January 14, 2010Applicant: BASF SEInventors: Rene Lochtman, Jürgen Kaczun, Norbert Schneider, Jürgen Pfister, Norbert Wagner, Christoffer Kieburg, Ketan Joshi
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Publication number: 20090321123Abstract: The invention relates to a method for producing structured, electrically-conductive surfaces (3, 11) on an electrically nonconductive support (1), in which the structured and/or full-area electrically-conductive surfaces (3) of a first plane are applied onto the support (1) in a first step, an insulating layer (9) is applied in a second step at the positions where structured and/or full-area electrically-conductive surfaces (11) of a second plane cross the structured and/or full-area electrically-conductive surfaces (3) of the first plane and no electrical contact is intended to take place between the structured and/or full-area electrically-conductive surfaces of the first plane (3) and of the second plane (11), in a third step the structured and/or full-area electrically-conductive surfaces (11) of the second plane are applied according to the first step, and the second and third steps are optionally repeated.Type: ApplicationFiled: July 31, 2007Publication date: December 31, 2009Applicant: BASF SE Patents, Trademarks and LincensesInventors: Rene Lochtman, Jürgen Kaczun, Norbert Schneider, Jürgen Pfister, Norbert Wagner, Dieter Hentschel
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Publication number: 20090289214Abstract: Magnetorheological formulations, processes for preparing the same and uses therefor, the formulations comprising: (a) an ionic liquid comprising anions and cations, and (b) dispersed magnetizable particles having a mean diameter of 0.Type: ApplicationFiled: September 18, 2007Publication date: November 26, 2009Applicant: BASF SEInventors: Christoffer Kieburg, Jürgen Pfister, Claus Gabriel, Günter Oetter, Martin Laun, Rene Lochtman
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Publication number: 20090285976Abstract: Method for producing electrically conductive, structured or full-area surfaces on a support, in which a structured or full-area base layer onto the support in a first step by using a dispersion, which contains electrically conductive particles in a matrix material, the matrix material is at least partially cured and/or dried in a second step, the electrically conductive particles are exposed in a third step by at least partially breaking the matrix, and a metal layer is formed on the structured or full-area base layer in a fourth step by electroless and/or electrolytic coating.Type: ApplicationFiled: June 11, 2007Publication date: November 19, 2009Applicant: BASF SEInventors: Rene Lochtman, Jürgen Kaczun, Norbert Schneider, Jürgen Pfister, Norbert Wagner, Deiter Hentschel
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Publication number: 20090178930Abstract: The invention relates to a device for the electrolytic coating of at least one electrically conductive substrate or a structured or full-surface electrically conductive surface on a nonconductive substrate, which comprises at least one bath, one anode and one cathode, the bath containing an electrolyte solution containing at least one metal salt, from which metal ions are deposited on electrically conductive surfaces of the substrate to form a metal layer while the cathode is brought in contact with the substrate's surface to be coated and the substrate is transported through the bath, wherein the cathode comprises at least two disks (2, 4, 10) mounted on a respective shaft (1, 5, 14) so that they can rotate, the disks (2, 4, 10) engaging in one another. The invention furthermore relates to a method for the electrolytic coating of at least one substrate, which is carried out in a device according to the invention.Type: ApplicationFiled: April 5, 2007Publication date: July 16, 2009Applicant: BASF SEInventors: Rene Lochtman, Jürgen Kaczun, Norbert Schneider, Jürgen Pfister, Gert Pohl, Norbert Wagner
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Publication number: 20090101511Abstract: The invention relates to a device for the electrolytic coating of at least one electrically conductive substrate (8) or a structured or full-surface electrically conductive surface on a nonconductive substrate (8), which comprises at least one bath, one anode and one cathode (1), the bath containing an electrolyte solution containing at least one metal salt, from which metal ions are deposited on electrically conductive surfaces of the substrate to form a metal layer while the cathode is brought in contact with the surface to be coated of the substrate and the substrate is transported through the bath. The cathode comprises at least one band (2) having at least one electrically conductive section (12), which is guided around at least two rotatable shafts (3).Type: ApplicationFiled: April 17, 2007Publication date: April 23, 2009Inventors: Rene Lochtman, Juergen Kaczun, Norbert Schneider, Juergen Pfister, Gert Pohl, Norbert Wagner
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Publication number: 20090011674Abstract: The present invention relates to a process for producing a metalized textile fabric, which comprises a textile fabric being (A) printed with a printing formulation comprising as a component at least one metal powder (a) selected from pulverulent Zn, Ni, Cu, Sn, Co, Mn, Fe, Mg, Pb, Cr and Bi, mixtures and alloys thereof, (B) thermally treated in one or more steps, (C) depositing a further metal on the textile fabric.Type: ApplicationFiled: December 18, 2006Publication date: January 8, 2009Applicant: BASF SEInventors: Antonino Raffaele Addamo, Ralf Norenberg, Bettina Sobotka, Tibor Duris, Rene Lochtman, Norbert Wagner, Norbert Schneider, Jurgen Pfister
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Publication number: 20080210463Abstract: Metalizable foils or sheets produced from a plastics mixture comprising, components A, B, C, and D, which gives a total of 100% by weight, a from 5 to 50% by weight of a thermoplastic polymer as component A, b from 50 to 95% by weight of a metal powder with an average particle diameter of from 0.01 to 100 ?m where the normal electrode potential of the metal in acidic solution is more negative than that of silver, as component B, c from 0 to 10% by weight of a dispersing agent as component C, and d from 0 to 40% by weight of fibrous or particulate fillers or their mixtures as component D, wherein the tensile strain at break of component A is greater by a factor of from 11 to 100 than the tensile strain at break of the plastics mixture comprising components A, B, and, if present, C and D, and wherein the tensile strength of component A is greater by a factor of from 0.5 to 4 than the tensile strength of the plastics mixture comprising components A, B, and, if present, C and D.Type: ApplicationFiled: April 26, 2006Publication date: September 4, 2008Applicant: BASF AKTIENGESELLSCHAFTInventors: Heiko Maas, Rene Lochtman, Wolfgang Gutting, Gerald Lippert, Michael Dahlke, Norbert Schneider, Volker Warzelhan, Jurgen Pfister, Norbert Wagner, Norbert Niessner, Bettina Sobotka, Matthias Scheibitz
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Publication number: 20080206553Abstract: The present invention relates to a dispersion for application of a metal layer on a substrate that is not electrically conductive, comprising an organic binder component, a metal component with different metals and/or metal particle shapes, and with a solvent component. The invention moreover relates to a process for preparation of the dispersion, to a process using the dispersion for production of a metal layer, if appropriate structured, and to the resultant substrate surfaces and their use.Type: ApplicationFiled: August 31, 2006Publication date: August 28, 2008Applicant: BASF SEInventors: Norbert Schneider, Gerald Lippert, Rene Lochtman, Heiko Maas, Jurgen Pfister, Bettina Sobotka, Norbert Wagner
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Patent number: 7314948Abstract: In a continuous process for the preparation of alkyl nitrites and dinitrites, an alkanol or dialkanol is first mixed with an aqueous mineral acid, the reaction mixture obtained is then reacted with an inorganic nitrite and the product obtained can then be isolated immediately.Type: GrantFiled: August 2, 2002Date of Patent: January 1, 2008Assignee: BASF AktiengesellschaftInventors: Steffen Kudis, Rene Lochtman, Manfred Ehresmann, Michael Keil, Joachim Gebhardt, Michael Rack, Ralf Schimetzek
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Patent number: 7309802Abstract: A process is described for preparing isoxazoles of the formula I where the substituents are as defined below: R1 is hydrogen, C1-C6-alkyl, R2 is C1-C6-alkyl, R3, R4, R5 are hydrogen, C1-C6-alkyl, or R4 and R5 together form a bond, R6 is a heterocyclic ring, n is 0, 1 or 2; which comprises preparing an intermediate of the formula VI where R1, R3, R4 and R5 are as defined above, followed by halogenation, thiomethylation, oxidation and acylation to give compounds of the formula I. Also novel intermediates for preparing the compounds of the formula I and novel processes for preparing the intermediates are described.Type: GrantFiled: April 17, 2003Date of Patent: December 18, 2007Assignee: BASF AktiengesellschaftInventors: Joachim Rheinheimer, Wolfgang von Deyn, Joachim Gebhardt, Michael Rack, Rene Lochtman, Norbert Götz, Michael Keil, Matthias Witschel, Helmut Hagen, Ulf Misslitz, Ernst Baumann
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Patent number: 7301034Abstract: A process for preparing 4-thioalkylbromobenzene derivatives of the formula I where: R1 is C1-C6-alkyl, C1-C6-haloalkyl, C1-C6-alkoxy, C1-C6-haloalkoxy, C3-C8-cycloalkyl, halogen, R2 is C1-C6-alkyl, C1-C6-alkoxy, C3-C8-cycloalkyl, C2-C6-alkenyl, cyano or a heterocyclic radical, R3 is C1-C6-alkyl, which comprises reacting a compound of the formula II, in which R1 and R2 are as defined above, with a dialkyl disulfide of the formula III R3—S—S—R3III in the presence of a nitrite and a catalyst in a suitable solvent is described.Type: GrantFiled: July 17, 2001Date of Patent: November 27, 2007Assignee: BASF AktiengesellschaftInventors: Rene Lochtman, Michael Keil, Joachim Gebhardt, Michael Rack, Wolfgang von Deyn
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Publication number: 20070161800Abstract: A process is described for preparing isoxazoles of the formula I where the substituents are as defined below: R1 is hydrogen, C1-C6-alkyl, R2 is C1-C6-alkyl, R3, R4, R5 are hydrogen, C1-C6-alkyl, or R4 and R5 together form a bond, R6 is a heterocyclic ring, n is 0, 1 or 2; which comprises preparing an intermediate of the formula VI where R1, R3, R4 and R5 are as defined above, followed by halogenation, thiomethylation, oxidation and acylation to give compounds of the formula I. Also novel intermediates for preparing the compounds of the formula I and novel processes for preparing the intermediates are described.Type: ApplicationFiled: March 11, 2007Publication date: July 12, 2007Inventors: Joachim Rheinheimer, Wolfgang von Deyn, Joachim Gebhardt, Michael Rack, Rene Lochtman, Norbert Gotz, Michael Keil, Matthias Witschel, Helmut Hagen, Ulf Misslitz, Ernst Boumann
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Patent number: 6897322Abstract: The invention relates to a method of preparing 1-alkyl-3-aryl-5-difluoromethoxy-1H-pyrazoles of the formula (I), wherein aryl represents a mono- or polysubstituted phenyl ring, and R1 represents C1-C4 alkyl. The inventive method is characterized by reacting, in a first reaction step, a ?-ketoester of the general formula (II) with hydrazine and by successively reacting the reaction product obtained with chlorodifluoromethane and a compound R1-L, wherein R1 has the meanings indicated above and L represents the leaving group of a nucleophilic displacement reaction.Type: GrantFiled: January 15, 2002Date of Patent: May 24, 2005Assignee: BASF AktiengesellschaftInventors: Thorsten Volk, Michael Puhl, Cyrill Zagar, Rene Lochtman, Norbert Götz, Gerhard Hamprecht
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Publication number: 20040199003Abstract: In a continuous process for the preparation of alkylnitrites and dinitrites, an alkanol or dialkanol is first mixed with an aqueous mineral acid, the reaction mixture obtained is then reacted with an inorganic nitrite and the product obtained can then be isolated immediately.Type: ApplicationFiled: January 29, 2004Publication date: October 7, 2004Inventors: Steffen Kudis, Rene Lochtman, Manfred Ehresmann, Michael Keil, Joachim Gebhardt, Michael Rack, Ralf Schimetzek
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Patent number: 6716989Abstract: A novel process for preparing the compounds of the formula I where: n is 0, 1 or 2; R1, R2 are C1-C6-alkyl; R3, R4, R5 are hydrogen or C1-C6-alkyl, or R4 and R5 together form a bond; R6 is Cl, Br, which comprises a synthesis sequence starting from 1,2-dialkylbenzenes of the formula II with subsequent halogenation to give 3,6-dihalo-1,2-dialkylbenzenes, haloalkylation to give benzyl bromides, oxidation to give benzaldehydes, oximation, reaction with alkenes to give isoxazoles, conversion into thioethers and, if appropriate, oxidation to give sulfenyl or sulfonyl derivatives of the formula I.Type: GrantFiled: June 18, 2003Date of Patent: April 6, 2004Assignee: BASF AktiengesellschaftInventors: Michael Rack, Norbert Götz, Helmut Hagen, Wolfgang von Deyn, Ernst Baumann, Rene Lochtman, Joachim Gebhardt
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Publication number: 20040059128Abstract: The invention relates to a method of Aryl preparing 1-alkyl-3-aryl-5-difluoromethoxy-1H-pyrazoles of the formula (I), wherein aryl represents a mono- or polysubstituted phenyl ring, and R1 represents C1-C4 alkyl. The inventive method is characterized by reacting, in a first reaction step, a &bgr;-ketoester of the general formula (II) with hydrazine and by successively reacting the reaction product obtained with chlorodifluoromethane and a compound R1-L, wherein R1 has the meanings indicated above and L represents the leaving group of a nucleophilic displacement reaction.Type: ApplicationFiled: July 3, 2003Publication date: March 25, 2004Inventors: Thomas Volk, Michael Puhl, Cyrill Zagar, Rene Lochtman, Norbert Gotz, Gerhard Hamprecht
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Patent number: 6706886Abstract: The present invention describes a process for preparing isoxazoles of the formula I where: R1 is hydrogen, C1-C6-alkyl, R2 is hydrogen, C1-C6-alkyl, R3, R4, R5 are each hydrogen, C1-C6-alkyl or R4 and R5 together form a bond, R6 is a heterocyclic ring, n is 0, 1 or 2; which comprises preparing an intermediate of the formula VI where R1, R3, R4 and R5 are each as defined above, followed by halogenation, thiomethylation, oxidation and acylation to give compounds of the formula I. Furthermore, the invention describes novel intermediates for preparing the compounds of the formula I and novel processes for preparing the intermediates.Type: GrantFiled: May 14, 2003Date of Patent: March 16, 2004Assignee: BASF AktiengesellschaftInventors: Wolfgang von Deyn, Joachim Gebhardt, Michael Rack, Rene Lochtman, Norbert Götz, Michael Keil, Matthias Witschel, Helmut Hagen, Ulf Misslitz, Ernst Baumann
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Patent number: 6670482Abstract: The present invention describes a process for preparing isoxazoles of the formula I where: R1 is hydrogen, C1-C6-alkyl, R2 is hydrogen, C1-C6-alkyl, R3, R4, R5 are each hydrogen, C1-C6-alkyl or R4 and R5 together form a bond, R6 is a heterocyclic ring, n is 0, 1 or 2; which comprises preparing an intermediate of the formula VI where R1, R3, R4 and R5 are each as defined above, followed by halogenation, thiomethylation, oxidation and acylation to give compounds of the formula I. Furthermore, the invention describes novel intermediates for preparing the compounds of the formula I and novel processes for preparing the intermediates.Type: GrantFiled: August 19, 2002Date of Patent: December 30, 2003Assignee: BASF AktiengesellschaftInventors: Wolfgang von Deyn, Joachim Gebhardt, Michael Rack, Rene Lochtman, Norbert Götz, Michael Keil, Matthias Witschel, Helmut Hagen, Ulf Misslitz, Ernst Baumann