Patents by Inventor Jurgen Deininger
Jurgen Deininger 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: 8859721Abstract: The invention relates to a process for working up particulate crude polyoxymethylene, which comprises the following steps: (a) introduction of the particulate crude polyoxymethylene into an extraction column (13) operated at a pressure in the range from 1 to 6 bar, (b) introduction of a polar extractant into the extraction column (13) with a temperature in the range from 95 to 140° C. and a pressure in the range from 1 to 6 bar, wherein from 10 to 1000 ppm, based on the amount of polar extractant introduced, of a buffer substance which buffers in the pH range from 7.5 to 11.5 are introduced into the extraction column (13).Type: GrantFiled: August 9, 2012Date of Patent: October 14, 2014Assignee: BASF SEInventors: Jürgen Deininger, Jürgen Demeter, Rüdiger Häffner, Ralf Schulz, Achim Stammer
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Patent number: 8741991Abstract: The present relates to nylon-5,10 molding compositions comprising A) from 40 to 90% by weight of a nylon-5,10, B) from 10 to 60% by weight of fiber-containing or mineral-containing fillers, C) from 0 to 20% by weight of further additives, where the total of the percentages by weight of components A) to C) is 100%. The present invention moreover relates to a process for the preparation of these molding compositions, to the use of these molding compositions for the production of moldings of any type, and to the resultant moldings, preferably motor vehicle bodywork parts or electronics components of any type, foils, and fibers.Type: GrantFiled: January 29, 2009Date of Patent: June 3, 2014Assignee: BASF SEInventors: Motonori Yamamoto, Weol Kyu Jeong, Arnold Schneller, Matthias Scheibitz, Freddy Gruber, Jürgen Deininger
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Publication number: 20130041126Abstract: The invention relates to a process for working up particulate crude polyoxymethylene, which comprises the following steps: (a) introduction of the particulate crude polyoxymethylene into an extraction column (13) operated at a pressure in the range from 1 to 6 bar, (b) introduction of a polar extractant into the extraction column (13) with a temperature in the range from 95 to 140° C. and a pressure in the range from 1 to 6 bar, wherein from 10 to 1000 ppm, based on the amount of polar extractant introduced, of a buffer substance which buffers in the pH range from 7.5 to 11.5 are introduced into the extraction column (13).Type: ApplicationFiled: August 9, 2012Publication date: February 14, 2013Applicant: BASF SEInventors: Jürgen Deininger, Jürgen Demeter, Rüdiger Häffner, Ralf Schulz, Achim Stammer
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Publication number: 20110319550Abstract: The thermoplastic molding composition comprises a) as component A, from 3 to 79% by weight of one or more styrene copolymers which have no units derived from maleic anhydride, b) as component B, from 15 to 91% by weight of one or more polyamides having, based on the entire component B, from 0.1 to 0.2% by weight of triacetonediamine (TAD) end groups, c) as component C, from 5 to 50% by weight of one or more impact-modifying rubbers, d) as component D, from 1 to 25% by weight of a styrene copolymer which, based on the entire component D, has from 1.9 to 2.3% by weight of units derived from maleic anhydride, e) as component E, from 0 to 40% by weight of further rubbers, f) as component F, from 0 to 50% by weight of one or more fibrous or particulate fillers, g) as component G, from 0 to 40% by weight of further additives, where the molding composition comprises less than 0.1% by weight of phthalic anhydride and the total amount of components A to D and, if appropriate, E to G is 100% by weight.Type: ApplicationFiled: January 29, 2010Publication date: December 29, 2011Applicant: BASF SEInventors: Martin Weber, Simone Schillo, Marko Blinzler, Jürgen Deininger
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Publication number: 20100331461Abstract: The present relates to nylon-5,10 molding compositions comprising A) from 40 to 90% by weight of a nylon-5,10, B) from 10 to 60% by weight of fiber-containing or mineral-containing fillers, C) from 0 to 20% by weight of further additives, where the total of the percentages by weight of components A) to C) is 100%. The present invention moreover relates to a process for the preparation of these molding compositions, to the use of these molding compositions for the production of moldings of any type, and to the resultant moldings, preferably motor vehicle bodywork parts or electronics components of any type, foils, and fibers.Type: ApplicationFiled: January 29, 2009Publication date: December 30, 2010Applicant: BASF SEInventors: Motonori Yamamoto, Weol Kyu Jeong, Arnold Schneller, Matthias Scheibitz, Freddy Gruber, Jürgen Deininger
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Patent number: 7776996Abstract: A continuous process for producing polyamides, their oligomers or mixtures thereof, if appropriate with further reaction products, comprises reaction of aminonitriles or dinitriles and diamines or mixtures thereof, if appropriate together with further polyamide-forming monomers and/or oligomers, with an aqueous medium composed of aqueous monomer and oligomer extracts obtained from polyamide production by extraction of the polymer with water in a reactor which has a vertical longitudinal axis and through which there is a flow substantially in the longitudinal direction wherein water and/or the aqueous medium are introduced into the reactor at two or more different locations along the vertical longitudinal axis, wherein the aqueous medium is introduced at one or more locations.Type: GrantFiled: February 8, 2005Date of Patent: August 17, 2010Assignee: BASF AktiengesellschaftInventors: Jürgen Deininger, Jürgen Demeter, Thilo Hahn, Gad Kory, Oliver Sötje, Peter Zehner
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Patent number: 7666976Abstract: Polyamide, whose main chain contains a chemically bound amine selected from the group consisting of 2-methyl-1,5-diaminopentane and 1-amino-2-R-cyclopent-1-ene, where R is a functional group capable of combining with an amino group to form an amide group, and processes for preparing such a polyamide and fibers, films and moldings comprising such a polyamide.Type: GrantFiled: May 6, 2004Date of Patent: February 23, 2010Assignee: BASF AktiengesellschaftInventors: Helmut Winterling, Jürgen Demeter, Jürgen Deininger, Gad Kory, Oliver Sötje, Axel Wilms, Robert Weiβ, Kurt Krempel, Christoph Benisch
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Publication number: 20080287643Abstract: The present invention relates to novel and improved polyamides composed of meta-xylylenediamine and having an amino end group content of less than 15 mmol/kg. Also found have been processes for preparing these polyamides composed of meta-xylylenediamine and adipic acid and having an amino end group content of less than 15 mmol/kg, which comprises reacting salt solutions of adipic acid and m-xylylenediamine at temperatures of from 80 to 300° C. and a pressure of from 1 to 20 bar with removal of water.Type: ApplicationFiled: October 17, 2006Publication date: November 20, 2008Applicant: BASF SEInventors: Joachim Strauch, Jurgen Deininger, Bernhard Rosenau, Thomas Liese-Sauer, Rolf-Egbert Grutzner
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Patent number: 7393913Abstract: Polyamide whose main chain contains a chemically bound N-alkyllactam, and processes for preparing such a polyamide and fibers, films and moldings comprising such a polyamide.Type: GrantFiled: May 6, 2004Date of Patent: July 1, 2008Assignee: BASF AktiengesellschaftInventors: Helmut Winterling, Jürgen Demeter, Jürgen Deininger, Gad Kory, Oliver Sötje, Ralf Neuhaus, Kurt Krempel, Christoph Benisch
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Patent number: 7285601Abstract: A polyamide which contains a monoolefinically unsaturated compound chemically bonded at the end of the polymer chain, a process for preparing this polyamide, a polyamide obtainable by crosslinking this polyamide, and also fibers, films, and moldings, comprising at least one such polyamide.Type: GrantFiled: April 14, 2003Date of Patent: October 23, 2007Assignee: BASF AktiengesellschaftInventors: Helmut Winterling, Jürgen Deininger, Kurt Krempel
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Publication number: 20070244272Abstract: In a process for distillatively removing ammonia and water from mixtures obtained in the preparation of polyamides which comprise a lactam and/or diamines, and, if appropriate, an aminonitrile and/or dinitrile, and also a cyclopentanone impurity in two stages: 1) the mixture is distilled at from 11 to 35 bar to give, as the top product T1, water, ammonia and cyclopentanone, and, as the bottoms B1, water, the lactam and/or diamines, and, if appropriate, the aminonitrile and/or dinitrile, and 2) T1 is distilled at from 11 to 35 bar to give, as the top product T2, ammonia and cyclopentanone, and, as the bottoms B2, water.Type: ApplicationFiled: May 31, 2005Publication date: October 18, 2007Applicant: BASF AKTIENGESELLSCHAFTInventors: Jens Assmann, Jurgen Demeter, Jurgen Deininger, Oliver Sotje, Gad Kory, Jan-Martin Loning
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Publication number: 20070161774Abstract: A continuous process for producing polyamides, their oligomers or mixtures thereof, if appropriate with further reaction products, comprises reaction of aminonitriles or dinitriles and diamines or mixtures thereof, if appropriate together with further polyamide-forming monomers and/or oligomers, with an aqueous medium composed of aqueous monomer and oligomer extracts obtained from polyamide production by extraction of the polymer with water in a reactor which has a vertical longitudinal axis and through which there is a flow substantially in the longitudinal direction wherein water and/or the aqueous medium are introduced into the reactor at two or more different locations along the vertical longitudinal axis, wherein the aqueous medium is introduced at one or more locations.Type: ApplicationFiled: February 8, 2005Publication date: July 12, 2007Applicant: BASF AktiengesellschaftInventors: Jurgen Deininger, Jurgen Demeter, Thilo Hahn, Gad Kory, Oliver Sotje, Peter Zehner
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Publication number: 20070106022Abstract: Thermoplastic molding compositions, comprising A) a polyamide A1), containing at least one end group derived from a piperidine compound, and B) a copolymer which contains at least one functional group which can react with the end groups of the polyamide present in component A).Type: ApplicationFiled: October 8, 2004Publication date: May 10, 2007Applicant: BASF AktiengesellschaftInventors: Martin Weber, Axel Gottschelk, Werner Haensel, Walter Heckmann, Hans Honl, Jurgen Deininger
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Publication number: 20070027295Abstract: Polyamide whose main chain contains a chemically bound N-alkyllactam, and processes for preparing such a polyamide and fibers, films and moldings comprising such a polyamide.Type: ApplicationFiled: May 6, 2004Publication date: February 1, 2007Applicant: BASF AKTIENGESELLSCHAFTInventors: Helmut Winterling, Jurgen Demeter, Jurgen Deininger, Gad Kory, Oliver Sotje, Ralf Neuhaus, Kurt Krempel, Christoph Benisch
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Publication number: 20060235191Abstract: Polyamides, oligomers thereof or mixtures thereof, if required with further reaction products, are prepared by reacting aminonitriles or dinitriles and diamines or a mixture containing aminonitrile, dinitrile and diamine, and, if required, further polyamide-forming monomers and/oligomers with water in a reactor (1) having a vertically oriented longitudinal axis, by a process in which, in the reactor (1), the reaction product is removed from the bottom and ammonia formed and any further low molecular weight compounds formed and water are taken off via the top (2), wherein the reactor (1) has at least two chambers (4) arranged one on top of the other in the longitudinal direction, the chambers (4) being separated from one another by liquid-tight trays (5), each chamber (4) being connected by a liquid overflow (6) to the chamber (4) directly underneath and a liquid product stream being taken off by the liquid overflow (6) of the lowermost chamber (4), the gas space (7) above the liquid level in each chambeType: ApplicationFiled: March 19, 2004Publication date: October 19, 2006Applicant: BASF AktiengesellschaftInventors: Jürgen Deininger, Jürgen Demeter, Gad Kory, Oliver Sötje, Helmut Winterling, Peter Zehner, Michael Heeger, Martin Gann, Axel Polt, Ulrich Treuling, Werner Weinle
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Publication number: 20060223974Abstract: Polyamide, whose main chain contains a chemically bound amine selected from the group consisting of 2-methyl-1,5-diaminopentane and 1-amino-2-R-cyclopent-1-ene, where R is a functional group capable of combining with an amino group to form an amide group, and processes for preparing such a polyamide and fibers, films and moldings comprising such a polyamide.Type: ApplicationFiled: May 6, 2004Publication date: October 5, 2006Applicant: BASF AktiengesellschaftInventors: Helmut Winterling, Jurgen Demeter, Jurgen Deininger, Gad Kory, Oliver Sotje, Axel Wilms, Robert Weib, Kurt Krempel, Christoph Benisch
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Publication number: 20060217522Abstract: An apparatus for making polyamides oligomers thereof mixtures thereof, the apparatus comprising a material selected from the group consisting of a) an austenitic steel comprising from 15 to 25% by weight of chromium, from 3 to 35% by weight of nickel and from 0 to 10% by weight of molybdenum, and iron, b) a duplex steel comprising from 20 to 30% by weight of chromium, from 3 to 10% by weight of nickel and from 0 to 5% by weight of molybdenum, and iron, and c) a nickel-based alloy comprising from 12 to 25% by weight of chromium and from 12 to 20% by weight of molybdenum, and nickelType: ApplicationFiled: July 15, 2004Publication date: September 28, 2006Applicant: BASF Aktiengesellscaft Patents, Trademarks and LicensesInventors: Jürgen Demeter, Oliver Sötje, Hans-Jürgen Bassler, Jürgen Deininger, Karl-Heinrich Klappert, Helmut Winterling
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Publication number: 20050159579Abstract: A polyamide which contains a monoolefinically unsaturated compound chemically bonded at the end of the polymer chain, a process for preparing this polyamide, a polyamide obtainable by crosslinking this polyamide, and also fibers, films, and moldings, comprising at least one such polyamide.Type: ApplicationFiled: April 14, 2003Publication date: July 21, 2005Inventors: Helmut Winterling, Jurgen Deininger, Kurt Krempel
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Patent number: 6703475Abstract: A process for continuous production of copolyamides based on a lactam (I), a diamine (II) and a dicarboxylic acid (III) comprises reacting a mixture (IV) comprising a diamine (II), a dicarboxylic acid (III) and water in a first reaction zone at a pressure in the range from 1.3*105 to 2.5*105 Pa in the entry zone of the reaction zone and at a temperature above the melting point of polymer (V) to a conversion, based on the molar amounts of diamine (II) and dicarboxylic acid (III), of at least 80% to form a polymer (V), reacting a mixture (VI) comprising lactam (I) and water in a second reaction zone at a pressure in the range from 5*105 to 40*105 Pa and at a temperature above the melting point of polymer (VII) to a conversion, based on the molar amount of lactam (I), of at least 80% to form a polymer (VII), then reacting polymer (V) and polymer (VII) with each other in a third reaction zone at a pressure in the range from 1*105 to 1.Type: GrantFiled: May 13, 2002Date of Patent: March 9, 2004Assignee: BASF AktiengesellschaftInventors: Jürgen Deininger, Walter Götz, Alfons Ludwig, Gunter Pipper
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Patent number: 5631662Abstract: The invention provides an aerial for a motor vehicle having an aerial base portion which can be fitted onto the body of a vehicle, and is provided with a capacitive ground coupling. According to the invention, the aerial base portion, ground coupling, aerial wire and the connected end of the high frequency line are embedded in a single component elastomer body which is provided with a locking configuration for locking in an opening of a wall of the body of the motor vehicle.Type: GrantFiled: November 6, 1995Date of Patent: May 20, 1997Assignee: Mercedes-Benz AGInventors: Norbert Lotterer, Jurgen Deininger