Patents by Inventor Matthias Seiler

Matthias Seiler 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: 8623123
    Abstract: CO2 is absorbed from a gas mixture by bringing the gas mixture into contact with an absorbent that comprises water and at least one amine of the formula (I), wherein R1 and R2, independently of each other, are hydrogen or an alkyl group. According to the invention, absorption media comprise sulfolane or an ionic liquid in addition to water and an amine of the formula (I). A device according to the invention for removing CO2 from a gas mixture comprises an absorption unit, a desorption unit, and an absorption medium according to the invention that is conducted in the circuit.
    Type: Grant
    Filed: June 4, 2013
    Date of Patent: January 7, 2014
    Assignee: Evonik Degussa GmbH
    Inventors: Matthias Seiler, Jöm Rolker, Rolf Schneider, Bernd Glöckler, Axel Kobus, Wolfgang Benesch, Thomas Riethmann, Hermann Winkler, Jens Reich, Helmut Brüggemann
  • Publication number: 20130273163
    Abstract: The invention relates to novel particulate drug-delivery systems based on a polymer support containing at least one linear, branched or cross-linked polymer in a fraction of over 50 percent by weight in relation to the total weight of the support. The system is characterised in that at least one signal substance for transport through a biological barrier and at least one active ingredient are stored, the support, signal substance and active ingredient having no covalent links and no active-ingredient specific and signal substance specific coordinative links between one another.
    Type: Application
    Filed: October 10, 2012
    Publication date: October 17, 2013
    Inventors: Matthias SEILER, Norbert Windhab, Manfred Stickler, Hans-Ulrich Petereit
  • Publication number: 20130263743
    Abstract: CO2 is absorbed from a gas mixture by bringing the gas mixture into contact with an absorbent that comprises water and at least one amine of the formula(I), wherein R1 and R2, independently of each other, are hydrogen or an alkyl group. According to the invention, absorption media comprise sulfolane or an ionic liquid in addition to water and an amine of the formula (I). A device according to the invention for removing CO2 from a gas mixture comprises an absorption unit, a desorption unit, and an absorption medium according to the invention that is conducted in the circuit.
    Type: Application
    Filed: June 4, 2013
    Publication date: October 10, 2013
    Inventors: Matthias Seiler, Jöm Rolker, Rolf Schneider, Bernd Glöckler, Axel Kobus, Wolfgang Benesch, Thomas Riethmann, Hermann Winkler, Jens Reich, Helmut Brüggemann
  • Publication number: 20130247758
    Abstract: CO2 is absorbed from a gas mixture by contacting the gas mixture with an absorption medium which comprises at least water as solvent and at least one amine of formula (I) where R1 is an aliphatic radical, having 2 to 6 carbon atoms and at least one amino group, and R2 is hydrogen, a C1-4 alkyl radical or a radical R1.
    Type: Application
    Filed: November 10, 2011
    Publication date: September 26, 2013
    Applicant: Evonik Degussa GmbH
    Inventors: Matthias Seiler, Rolf Schreider, Jörn Rolker, Daniel Dembkowski, Manfred Neumann, Daniel Witthaut, Michael Keup, Volker Brehme, Muhammad Irfan
  • Publication number: 20130219949
    Abstract: A working medium comprising at least one refrigerant, at least one monohydric aliphatic alcohol having from 6 to 10 carbon atoms and at least one ionic liquid composed of at least one organic cation and at least one anion shows an improved efficiency COP in an absorption heat pump compared to working media which do not contain an alcohol having from 6 to 10 carbon atoms.
    Type: Application
    Filed: November 4, 2011
    Publication date: August 29, 2013
    Applicant: Evonik Degussa GmbH
    Inventors: Matthias Seiler, Rolf Schneider, Olivier Zehnacker, Marc-Christoph Schneider
  • Patent number: 8500867
    Abstract: CO2 is absorbed from a gas mixture by bringing the gas mixture into contact with an absorbent that comprises water and at least one amine of the formula (I), wherein R1 and R2, independently of each other, are hydrogen or an alkyl group. According to the invention, absorption media comprise sulfolane or an ionic liquid in addition to water and an amine of the formula (1). A device according to the invention for removing CO2 from a gas mixture comprises an absorption unit, a desorption unit, and an absorption medium according to the invention that is conducted in the circuit.
    Type: Grant
    Filed: August 19, 2012
    Date of Patent: August 6, 2013
    Assignee: Evonik Degussa GmbH
    Inventors: Matthias Seiler, Jörn Rolker, Rolf Schneider, Bernd Glöckler, Axel Kobus, Wolfgang Benesch, Thomas Riethmann, Hermann Winkler, Jens Reich, Helmut Brüggemann
  • Patent number: 8500892
    Abstract: CO2 is absorbed from a gas mixture by bringing the gas mixture into contact with an absorbent that comprises water and at least one amine of the formula (I), wherein R1 and R2, independently of each other, are hydrogen or an alkyl group. According to the invention, absorption media comprise sulfolane or an ionic liquid in addition to water and an amine of the formula (I). A device according to the invention for removing CO2 from a gas mixture comprises an absorption unit, a desorption unit, and an absorption medium according to the invention that is conducted in the circuit.
    Type: Grant
    Filed: January 29, 2010
    Date of Patent: August 6, 2013
    Assignee: Evonik Degussa GmbH
    Inventors: Matthias Seiler, Jörn Rolker, Rolf Schneider, Bernd Glöckler, Axel Kobus, Wolfgang Benesch, Thomas Riethmann, Hermann Winkler, Jens Reich, Helmut Brüggemann
  • Patent number: 8445024
    Abstract: The present invention relates to preparations comprising at least one low molecular weight substance and at least one hyperbranched polymer, wherein the hyperbranched polymer comprises a hydrophilic core having polyester units and hydrophobic end groups, said hyperbranched polymer having a molecular weight greater than or equal to 6000 g/mol and a hydroxyl number in the range from 0 to 200 mg KOH/g, the degree of branching being in the range from 20 to 70%, and said hyperbranched polymer having a melting point of at least 30° C.
    Type: Grant
    Filed: September 26, 2006
    Date of Patent: May 21, 2013
    Assignee: Evonik Degussa GmbH
    Inventors: Matthias Seiler, Axel Kobus
  • Publication number: 20130031930
    Abstract: An absorption heat pump with a sorbent which comprises lithium chloride and at least one salt Q+Cl? with an organic cation Q+ and the shared anion chloride, the organic cation Q+ having a molar mass of not more than 200 g/mol, exhibits an improved degassing range of the working medium composed of refrigerant and sorbent.
    Type: Application
    Filed: April 14, 2011
    Publication date: February 7, 2013
    Applicant: EVONIK DEGUSSA GMBH
    Inventors: Matthias Seiler, Olivier Zehnacker, Rolf Schneider, Marc-Christoph Schneider
  • Publication number: 20130031931
    Abstract: An absorption heat pump with a sorbent comprising a lithium salt and at least one organic salt with an organic cation Q+, the lithium salt and organic salt having the same anion, the anion having a molar mass of not more than 200 g/mol and not being halide, and the organic cation Q+ having a molar mass of not more than 200 g/mol, exhibits an improved degassing range of the working medium composed of refrigerant and sorbent.
    Type: Application
    Filed: April 18, 2011
    Publication date: February 7, 2013
    Applicant: Evonik Degussa GmbH
    Inventors: Matthias Seiler, Rolf Schneider, Olivier Zehnacker, Marc-Christoph Schneider
  • Publication number: 20120308458
    Abstract: CO2 is absorbed from a gas mixture by bringing the gas mixture into contact with an absorbent that comprises water and at least one amine of the formula (I), wherein R1 and R2, independently of each other, are hydrogen or an alkyl group. According to the invention, absorption media comprise sulfolane or an ionic liquid in addition to water and an amine of the formula (1). A device according to the invention for removing CO2 from a gas mixture comprises an absorption unit, a desorption unit, and an absorption medium according to the invention that is conducted in the circuit.
    Type: Application
    Filed: August 19, 2012
    Publication date: December 6, 2012
    Applicant: Evonik Degussa GmbH
    Inventors: Matthias Seiler, Jörn Rolker, Rolf Schneider, Bernd Glöckler, Axel Kobus, Wolfgang Benesch, Thomas Riethmann, Hermann Winkler, Jens Reich, Helmut Brüggemann
  • Patent number: 8313778
    Abstract: The invention relates to novel particulate drug-delivery systems based on a polymer support containing at least one linear, branched or cross-linked polymer in a fraction of over 50 percent by weight in relation to the total weight of the support. The system is characterized in that at least one signal substance for transport through a biological barrier and at least one active ingredient are stored, the support, signal substance and active ingredient having no covalent links and no active-ingredient specific and signal substance specific coordinative links between one another.
    Type: Grant
    Filed: October 25, 2006
    Date of Patent: November 20, 2012
    Assignee: Evonik Roehm GmbH
    Inventors: Matthias Seiler, Norbert Windhab, Manfred Stickler, Hans-Ulrich Petereit
  • Publication number: 20120247144
    Abstract: The invention relates to an operating medium for an absorption refrigeration device, comprising 5 to 30 wt % water and 65 to 95 wt % of a sorption agent comprising lithium bromide and at least one ionic liquid and wherein the sorption agent comprises ionic liquid and lithium bromide in a weight ratio of 0.5:1 to 5:1, having a lower friction coefficient compared to an operating medium comprising water and lithium bromide.
    Type: Application
    Filed: November 24, 2010
    Publication date: October 4, 2012
    Applicant: Evonik Degussa GbmH
    Inventors: Matthias Seiler, Rolf Schneider, Olivier Zehnacker, Marc-Christoph Schneider
  • Patent number: 8167983
    Abstract: The present invention relates to compositions for producing membranes, the compositions comprising at least 0.1% by weight of highly branched polymer, at least 0.5% by weight of linear polymer and at least 30% by weight of solvent. The present invention additionally describes membranes obtainable from the compositions, and methods of producing these membranes.
    Type: Grant
    Filed: December 17, 2007
    Date of Patent: May 1, 2012
    Assignee: Evonik Degussa GmbH
    Inventors: Matthias Seiler, Stefan Bernhardt, Rolf Schneider, Roland Wursche, Franz-Erich Baumann
  • Publication number: 20120080644
    Abstract: CO2 is absorbed from a gas mixture by contacting the gas mixture with an absorption medium which comprises water and 2,3-dihydro-2,2,4,6-tetramethylpyridine. The absorption media of the invention include water, 2,3-dihydro-2,2,4,6-tetramethylpyridine, and at least one organic solvent in a homogeneous phase. An apparatus of the invention for removing CO2 from a gas mixture comprises an absorption unit, a desorption unit, and a circulating absorption medium of the invention.
    Type: Application
    Filed: May 28, 2010
    Publication date: April 5, 2012
    Applicant: Evonik Degussa GmbH
    Inventors: Matthias Seiler, Jörn Rolker, Rolf Schneider, Axel Kobus, Daniel Witthaut, Manfred Neumann, Michael Keup, Daniel Dembkowski, Wolfgang Benesch, Hermann Winkler, Jens Reich, Thomas Riethmann
  • Publication number: 20120017762
    Abstract: CO2 is absorbed from a gas mixture by bringing the gas mixture into contact with an absorbent that comprises water and at least one amine of the formula (I), wherein R1 and R2, independently of each other, are hydrogen or an alkyl group. According to the invention, absorption media comprise sulfolane or an ionic liquid in addition to water and an amine of the formula (I). A device according to the invention for removing CO2 from a gas mixture comprises an absorption unit, a desorption unit, and an absorption medium according to the invention that is conducted in the circuit.
    Type: Application
    Filed: January 29, 2010
    Publication date: January 26, 2012
    Applicant: Evonik Degussa GmbH
    Inventors: Matthias Seiler, Jörn Rolker, Rolf Schneider, Bernd Glöckler, Axel Kobus, Wolfgang Benesch, Thomas Riethmann, Hermann Winkler, Jens Reich, Helmut Brüggemann
  • Patent number: 8069687
    Abstract: A working medium for refrigeration processes comprising at least one sorbent material and at least one refrigerant, characterized in that the sorbent material contains at least one nonvolatile organic salt which is liquid under standard conditions, or a mixture of organic salts, with the proviso that this is liquid under standard conditions, wherein the salt or the mixture has a thermal stability above 150° C.
    Type: Grant
    Filed: May 24, 2006
    Date of Patent: December 6, 2011
    Assignee: Evonik Degussa GmbH
    Inventors: Carsten Jork, Matthias Seiler, Bernd Weyershausen
  • Publication number: 20110065886
    Abstract: The present invention relates to a process for preparing hyperbranched, dendritic polyurethanes by means of reactive extrusion.
    Type: Application
    Filed: August 13, 2008
    Publication date: March 17, 2011
    Applicant: Evonik Degussa GmbH
    Inventors: Thomas Weihrauch, Stefan Bernhardt, Matthias Seiler, Kerstin Andres, Markus Schwarz, Silvia Herda
  • Patent number: 7875203
    Abstract: The invention relates to a deicing or anti-icing agent containing, based in each case on its total weight, from 35.0% by weight to 95.0% by weight of at least one glycol, from 0.001% by weight to 5.0% by weight of at least one dendritic polymer and from 0.01% by weight to 5.0% by weight of at least one further thickener and optionally water. It furthermore relates to the use of from 0.001 to 5.0% by weight of at least one dendritic polymer and from 0.01% by weight to 5.0% by weight of at least one further thickener for thickening a composition which contains from 35.0% by weight to 95.0% by weight of at least one glycol and optionally water.
    Type: Grant
    Filed: July 6, 2007
    Date of Patent: January 25, 2011
    Assignee: Evonik Degussa GmbH
    Inventors: Matthias Seiler, Stefan Bernhardt
  • Publication number: 20110000236
    Abstract: To absorb a volatile substance from a gas phase in a liquid absorbent, the gas phase is brought into contact with a film of an absorbent which comprises an ionic liquid and a wetting-promoting additive. The process can be used in absorption refrigerating machines.
    Type: Application
    Filed: December 3, 2008
    Publication date: January 6, 2011
    Applicant: EVONIK DEGUSSA GMBH
    Inventors: Matthias Seiler, Bernd Glockler, Peter Schwab, Stefan Kempka