Patents by Inventor Armin Alteheld
Armin Alteheld 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: 20150322230Abstract: The invention provides a molding producible by a process comprising the following steps: a) introduction of a foamable reactive resin into a support material and b) compressive deformation of the support material comprising the foamable reactive resin.Type: ApplicationFiled: July 17, 2015Publication date: November 12, 2015Inventors: Dietrich SCHERZER, Frank PRISSOK, Markus SCHUTTE, Armin ALTEHELD, Jurgen MERTES, Klaus HAHN, Hans-Jürgen QUADBECK-SEEGER
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Patent number: 9056961Abstract: The invention relates to foam comprising hollow microbeads and intended for sound absorption, comprising from 40 to 85% by weight of open-cell polymer foam and from 15 to 60% by weight of hollow microbeads with flexible external layer, where the D50 value of the hollow microbeads is at least 70 ?m and at most 250 ?m, based on the total weight of polymer foam and hollow microbeads, and also to a process for producing the same, comprising the following steps: I) impregnation of an open-cell polymer foam with a liquid dispersion comprising expandable hollow microbeads, II) if appropriate, pressing/compression and/or drying of the polymer foam, and III) heat-treatment of the impregnated polymer foam at a temperature above the expansion temperature and below the decomposition temperature of the expandable hollow microbeads, for the expansion of the hollow microbeads.Type: GrantFiled: November 16, 2010Date of Patent: June 16, 2015Assignee: BASF SEInventors: Tobias Heinz Steinke, Armin Alteheld, Tatiana Ulanova, Meik Ranft, Maxim Peretolchin, Horst Baumgartl, Hans-Jürgen Quadbeck-Seeger, Klaus Hahn
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Patent number: 8697764Abstract: A process for producing an elastic silicate foam by foaming a mixture comprising 10% to 80% by weight of an aqueous dispersion of SiO2 particles A) which have an average particle diameter in the range from 1 to 100 nm, 5% to 30% by weight of a polymer B) in solution in water, 10% to 50% by weight of a blowing agent C), 1% to 5% by weight of an emulsifier D), 0.01% to 5% by weight of a crosslinker E) which is reactive with the polymer B), and also the foam obtainable by the process, and the use of the foam.Type: GrantFiled: April 27, 2009Date of Patent: April 15, 2014Assignee: BASF SEInventors: Tatiana Ulanova, Klaus Hahn, Christof Möck, Armin Alteheld, Hans-Joachim Hähnle, Meik Ranft, Christof Kujat
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Patent number: 8546457Abstract: A process for production of an abrasive foam based on a melamine-formaldehyde condensate comprising inorganic nanoparticles, comprising the steps of: (1) preparation of a solution or dispersion comprising a precondensate of the foam to be produced, and also comprising inorganic nanoparticles, (2) foaming of the precondensate via heating of the solution or dispersion from step (1), in order to obtain a foam which comprises inorganic nanoparticles, and also, if appropriate, (3) heat-conditioning of the foam obtained in step (2), leads to improved abrasion in the polishing of delicate surfaces.Type: GrantFiled: August 13, 2008Date of Patent: October 1, 2013Assignee: BASF SEInventors: Armin Alteheld, Klaus Hahn, Christof Möck, Horst Baumgartl, Jens-Uwe Schierholz, Maxim Peretolchin
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Patent number: 8399530Abstract: A process for producing polymer foams by precise control of their morphology through use of microfluidic processes, foams produced in this way and use thereof.Type: GrantFiled: March 26, 2009Date of Patent: March 19, 2013Assignee: BASF SEInventors: Meik Ranft, Armin Alteheld, Andre Guerin Moreira, Wiebke Drenckhan, Antje van der Net, Alexander Gryson, Florence Elias
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Publication number: 20120225965Abstract: The invention relates to foam comprising hollow microbeads and intended for sound absorption, comprising from 40 to 85% by weight of open-cell polymer foam and from 15 to 60% by weight of hollow microbeads with flexible external layer, where the D50 value of the hollow microbeads is at least 70 ?m and at most 250 ?m, based on the total weight of polymer foam and hollow microbeads, and also to a process for producing the same, comprising the following steps: I) impregnation of an open-cell polymer foam with a liquid dispersion comprising expandable hollow microbeads, II) if appropriate, pressing/compression and/or drying of the polymer foam, and Ill) heat-treatment of the impregnated polymer foam at a temperature above the expansion temperature and below the decomposition temperature of the expandable hollow microbeads, for the expansion of the hollow microbeads.Type: ApplicationFiled: November 16, 2010Publication date: September 6, 2012Applicant: BASF SEInventors: Tobias Heinz Steinke, Armin Alteheld, Tatiana Ulanova, Meik Ranft, Maxim Peretolchin, Horst Baumgartl, Hans-Jürgen Quadbeck-Seeger, Klaus Hahn
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Patent number: 8173716Abstract: Open-cell foam based on a melamine-formaldehyde condensation product, a polyurethane or a polyimide, which has been modified with hydrophobins, a method of producing such foams, and the use thereof for absorbing organic liquids, as leakage and bleeding protection for liquid stores, for liquid-liquid separation and as matrix for carrying out chemical and/or biological processes.Type: GrantFiled: March 4, 2008Date of Patent: May 8, 2012Assignee: BASF SEInventors: Ulf Baus, Thorsten Montag, Claus Bollschweiler, Thomas Subkowski, Marvin Karos, Armin Alteheld, Hans-Jürgen Quadbeck-Seeger, Bernhard Vath
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Patent number: 8012578Abstract: The present invention relates to a process for the preparation of composites from thermoplastic polymers and (semi)metal oxides, in particular silicon dioxide, wherein at least a part of the (semi)metal oxides is dispersed in the polymers in nanodispersed manner (nanocomposites). The invention relates to the composites obtainable by this process and their processing to give molded articles.Type: GrantFiled: September 4, 2006Date of Patent: September 6, 2011Assignee: Deutsches Wollforschungsinstitut an der RWTH Aachen e.V.Inventors: Susanne Spiegelberg, Armin Alteheld, Xiaomin Zhu, Karin Peter, Martin Möller
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Publication number: 20110133110Abstract: Process for producing a dispersion of polymer particles in an ionic liquid.Type: ApplicationFiled: November 30, 2010Publication date: June 9, 2011Applicant: BASF SEInventors: Uwe Hartnagel, Armin Alteheld
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Publication number: 20110124754Abstract: A process for production of an abrasive foam based on a melamine-formaldehyde condensate comprising inorganic nanoparticles, comprising the steps of: (1) preparation of a solution or dispersion comprising a precondensate of the foam to be produced, and also comprising inorganic nanoparticles, (2) foaming of the precondensate via heating of the solution or dispersion from step (1), in order to obtain a foam which comprises inorganic nanoparticles, and also, if appropriate, (3) heat-conditioning of the foam obtained in step (2), leads to improved abrasion in the polishing of delicate surfaces.Type: ApplicationFiled: August 13, 2008Publication date: May 26, 2011Applicant: BASF SEInventors: Armin Alteheld, Klaus Hahn, Christof Möck, Horst Baumgartl, Jens-Uwe Schierholz, Maxim Peretolchin
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Patent number: 7908984Abstract: A watering apparatus comprising a storage container having a tubular section which is closed with an open-cell foam based on an aminoplast, and a method for watering or applying fertilizer.Type: GrantFiled: February 5, 2008Date of Patent: March 22, 2011Assignee: BASF SEInventors: Jurith Montag, Hans-Joachim Fries, Alexander Wissemeier, Armin Alteheld, Hans-Jürgen Quadbeck-Seeger
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Publication number: 20110049411Abstract: A process for producing an elastic silicate foam by foaming a mixture comprising 10% to 80% by weight of an aqueous dispersion of SiO2 particles A) which have an average particle diameter in the range from 1 to 100 nm, 5% to 30% by weight of a polymer B) in solution in water, 10% to 50% by weight of a blowing agent C), 1% to 5% by weight of an emulsifier D), 0.01% to 5% by weight of a crosslinker E) which is reactive with the polymer B), and also the foam obtainable by the process, and the use of the foam.Type: ApplicationFiled: April 27, 2009Publication date: March 3, 2011Applicant: BASF SEInventors: Tatiana Ulanova, Klaus Hahn, Christof Möck, Armin Alteheld, Hans-Joachim Hähnle, Meik Ranft, Christof Kujat
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Publication number: 20110034571Abstract: A process for the production of a foam by curing a beaten or blown foam comprising an aqueous composition, the aqueous: composition comprising A) from 40 to 95 parts by weight of an alkali metal silicate solution having a water content of from 40 to 90% by weight, B) from 0 to 60 parts by weight of a pulverulent alkali metal silicate having a water content of from 0 to 30% by weight, C) from 0 to 15 parts by weight of a surfactant, D) from 5 to 40 parts by weight of an aqueous polymer dispersion having a solids content of from 10 to 60% by weight, and the foams obtainable by the process and the use thereof as an insulation panel.Type: ApplicationFiled: March 2, 2009Publication date: February 10, 2011Applicant: BASF SEInventors: Klaus Hahn, Armin Alteheld, Benjamin Nehls, Bernhard Schmied
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Publication number: 20110015288Abstract: A process for producing polymer foams by precise control of their morphology through use of microfluidic processes, foams produced in this way and use thereof.Type: ApplicationFiled: March 26, 2009Publication date: January 20, 2011Applicant: BASF SEInventors: Meik Ranft, Armin Alteheld, Andre Guerin Moreira, Wiebke Drenckhan, Antje van der Net, Alexander Gryson, Florence Elias
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Publication number: 20100310833Abstract: The invention provides a molding producible by a process comprising the following steps: a) introduction of a foamable reactive resin into a support material and b) compressive deformation of the support material comprising the foamable reactive resin.Type: ApplicationFiled: December 19, 2008Publication date: December 9, 2010Applicant: BASF SEInventors: Dietrich Scherzer, Frank Prissok, Markus Schutte, Armin Alteheld, Jurgen Mertes, Klaus Hahn, Hans-Jürgen Quadbeck-Seeger
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Publication number: 20100234480Abstract: It is an open-cell foam based on a melamine-formaldehyde condensation product and hydrophobicized with a compound comprising C6-C20-alkyl groups, in particular stearyl groups, such as aluminum stearate or stearyl isocyanate.Type: ApplicationFiled: March 22, 2007Publication date: September 16, 2010Applicant: BASF SEInventors: Klaus Hahn, Vath Bernhard, Armin Alteheld, Christof Möck, Horst Baumgartl
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Publication number: 20100173107Abstract: The invention relates to a tube which has been filled with an open-cell foam based on an aminoplastic, in particular on a melamine-formaldehyde condensate, and also to its uses, in particular as filter or static mixer.Type: ApplicationFiled: March 23, 2007Publication date: July 8, 2010Applicant: BASF SEInventors: Klaus Hahn, Bernhard Vath, Armin Alteheld, Christof Möck, Hans-Jürgen Quadbeck-Seeger
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Publication number: 20100144913Abstract: The present invention concerns a process for producing a foam comprising at least one antimicrobial active, comprising the steps of: (1) preparing a solution or dispersion comprising at least one precondensate of the foam to be produced and at least one antimicrobial active, (2) foaming the precondensate by heating the solution or dispersion of step (1) to obtain a foam comprising at least one antimicrobial active, and (3) heat treating the foam obtained in step (2) at a temperature in the range from 120 to 300° C., a foam thus produced, a shaped article comprising such a foam and the use of such a foam for thermal and acoustical insulation of buildings and parts of buildings, thermal and acoustical insulation of the interiors of land, air and sea vehicles, low-temperature insulation, as an insulating wall cladding, as an insulating and shock-absorbing packaging material, as abrasive cleaning, grinding and polishing sponges, in the hygiene sector and as a filter material.Type: ApplicationFiled: March 3, 2008Publication date: June 10, 2010Applicant: BASF SEInventors: Armin Alteheld, Klaus Hahn, Christof Möck, Bernhard Vath, Jens-Uwe Schierholz
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Publication number: 20100127203Abstract: A process for producing a silicate foam having a low density, which comprises the following steps: (a) partial hydrolysis of an aqueous dispersion of SiO2 particles which have an average particle diameter in the range from 1 to 100 nm by means of a strong base, (b) addition of a surfactant and a blowing agent and dispersion of the blowing agent at temperatures below 50° C., (c) foaming of the mixture by heating to a temperature in the range from 35 to 100° C. or by depressurization, (d) stabilization of the foam obtained in step c) by means of a hardener, (e) sintering of the foam at a temperature above 500° C.Type: ApplicationFiled: April 23, 2008Publication date: May 27, 2010Applicant: BASF SEInventors: Tatiana Ulanova, Armin Alteheld, Klaus Hahn, Patrick Deck, Meik Ranft, Frank Heilmann
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Publication number: 20100096250Abstract: A process for obtaining process water by condensation of mist or by evaporation of water comprising salts or impurities and condensation of the evaporated water, and plants for carrying out the process and the use thereof for obtaining drinking water.Type: ApplicationFiled: February 5, 2008Publication date: April 22, 2010Applicant: BASF SEInventors: Hans-Jürgen Quadbeck-Seeger, Armin Alteheld, Klaus Hahn, Dietrich Scherzer, Christof Mock, Bernhard Vath