Patents by Inventor Alexander Krajete

Alexander Krajete 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: 11826693
    Abstract: Utilization of nitrogen oxides contained in the ambient air including a system and a method with which the nitrogen oxides can be utilized for the production of liquid or solid chemicals.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: November 28, 2023
    Assignee: AUDI AG
    Inventors: Simone Müller-Hellwig, Hagen Seifert, Alexander Krajete
  • Patent number: 11156139
    Abstract: A method for purifying the exhaust gas generated by an internal combustion engine, wherein the exhaust gas generated by the internal combustion engine is conducted through an exhaust gas path in which at least one adsorption element is arranged, to which pollutants contained in the exhaust gas at least partly bind, and in which the at least one adsorption element is regenerated by at least partial desorption of the bound pollutants, and pollutants desorbed from the at least one adsorption element during the desorption process are stored in at least one storage unit.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: October 26, 2021
    Assignee: AUDI AG
    Inventors: Simone Müller-Hellwig, Roland Heigl, Alexander Krajete, Arne Seifert, Hagen Seifert
  • Publication number: 20210252449
    Abstract: Utilization of nitrogen oxides contained in the ambient air including a system and a method with which the nitrogen oxides can be utilized for the production of liquid or solid chemicals.
    Type: Application
    Filed: June 18, 2019
    Publication date: August 19, 2021
    Applicant: AUDI AG
    Inventors: Simone MÜLLER-HELLWIG, Hagen SEIFERT, Alexander KRAJETE
  • Patent number: 10919769
    Abstract: Nitrogen oxides formed in combustion engines are recycled such that the nitrogen oxides can be utilized for producing liquid or solid chemicals. The nitrogen oxides are recycled by a method including an adsorber material adsorbing nitrogen oxides from an exhaust-gas stream of the combustion engine, removing the adsorber material laden with nitrogen oxides, desorbing the adsorbed nitrogen oxides from the adsorber material, and converting the nitrogen oxides desorbed from the adsorber material into liquid or solid nitrogen-containing compounds.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: February 16, 2021
    Assignee: AUDI AG
    Inventors: Simone Müller-Hellwig, Hagen Seifert, Roland Heigl, Alexander Krajete, Arne Seifert
  • Publication number: 20200198970
    Abstract: Nitrogen oxides formed in combustion engines are recycled such that the nitrogen oxides can be utilized for producing liquid or solid chemicals. The nitrogen oxides are recycled by a method including an adsorber material adsorbing nitrogen oxides from an exhaust-gas stream of the combustion engine, removing the adsorber material laden with nitrogen oxides, desorbing the adsorbed nitrogen oxides from the adsorber material, and converting the nitrogen oxides desorbed from the adsorber material into liquid or solid nitrogen-containing compounds.
    Type: Application
    Filed: December 3, 2018
    Publication date: June 25, 2020
    Applicant: AUDI AG
    Inventors: Simone MÜLLER-HELLWIG, Hagen SEIFERT, Roland HEIGL, Alexander KRAJETE, Arne SEIFERT
  • Publication number: 20200009496
    Abstract: A device for cleaning air laden with CO2 present in an enclosed space, including at least one adsorption device for adsorbing CO2 from the air supplied to the adsorption device, a desorption device associated with the adsorption device for desorbing adsorbed CO2, and a removal device for removing the desorbed CO2.
    Type: Application
    Filed: December 11, 2017
    Publication date: January 9, 2020
    Applicant: AUDI AG
    Inventors: Simone MÜLLER-HELLWIG, Roland HEIGL, Hagen SEIFERT, Alexander KRAJETE, Arne SEIFERT
  • Patent number: 10507424
    Abstract: A device for cleaning air laden with CO2 present in an enclosed space, including at least one adsorption device for adsorbing CO2 from the air supplied to the adsorption device, a desorption device associated with the adsorption device for desorbing adsorbed CO2, and a removal device for removing the desorbed CO2.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: December 17, 2019
    Assignee: AUDI AG
    Inventors: Simone Müller-Hellwig, Roland Heigl, Hagen Seifert, Alexander Krajete, Arne Seifert
  • Publication number: 20190292960
    Abstract: A method for purifying the exhaust gas generated by an internal combustion engine, wherein the exhaust gas generated by the internal combustion engine is conducted through an exhaust gas path in which at least one adsorption element is arranged, to which pollutants contained in the exhaust gas at least partly bind, and in which the at least one adsorption element is regenerated by at least partial desorption of the bound pollutants, and pollutants desorbed from the at least one adsorption element during the desorption process are stored in at least one storage unit.
    Type: Application
    Filed: September 13, 2017
    Publication date: September 26, 2019
    Applicant: AUDI AG
    Inventors: Simone MÜLLER-HELLWIG, Roland HEIGL, Alexander KRAJETE, Arne SEIFERT
  • Patent number: 9534711
    Abstract: A single site catalysed ethylene polymer including ethylene and optionally at least one comonomer having a Mw/Mn of less than 5 and wherein the total amount of unsaturations of the ethylene polymer is at least 0.8.
    Type: Grant
    Filed: October 26, 2011
    Date of Patent: January 3, 2017
    Assignee: Borealis AG
    Inventors: Magnus Palmlöf, Espen Ommundsen, Anne Britt Bjåland, Alexander Krajete
  • Patent number: 8674024
    Abstract: A polyethylene moulding composition having a multimodal molecular weight distribution, having a density according to ISO 1183 at 23° C. in the range of 920 to 960 kg/m3 and an MFR190/2 according to ISO 1133 in the range of 0.
    Type: Grant
    Filed: January 27, 2011
    Date of Patent: March 18, 2014
    Assignee: Borealis AG
    Inventors: Andrey Buryak, Albrecht Dix, Magnus Palmlof, Anneli Pakkanen, Christian Piel, Ayodele Olutayo Fiola, Tore Dreng, Janne Maaranen, Alexander Krajete, Susana Filipe
  • Publication number: 20130287983
    Abstract: A single site catalysed ethylene polymer including ethylene and optionally at least one comonomer having a Mw/Mn of less than 5 and wherein the total amount of unsaturations of the ethylene polymer is at least 0.8.
    Type: Application
    Filed: October 26, 2011
    Publication date: October 31, 2013
    Inventors: Magnus Palmlõf, Espen Ommundsen, Anne Britt Bjalånd, Alexander Krajete
  • Publication number: 20130030125
    Abstract: A polyethylene moulding composition having a multimodal molecular weight distribution, having a density according to ISO 1183 at 23° C. in the range of 920 to 960 kg/m3 and an MFR190/2 according to ISO 1133 in the range of 0.
    Type: Application
    Filed: January 27, 2011
    Publication date: January 31, 2013
    Applicant: BOREALIS AG
    Inventors: Andrey Buryak, Albrecht Dix, Magnus Palmlof, Anneli Pakkanen, Christian Piel, Ayodele Olutayo Fiola, Tore Dreng, Janne Maaranen, Alexander Krajete, Susana Filipe
  • Publication number: 20100029883
    Abstract: A multimodal medium density polyethylene polymer obtainable using single site catalysis which comprises at least: (A) a lower molecular weight (LMW) component which is a copolymer of ethylene with at least one comonomer, and (B) a higher molecular weight (HMW) component which is a copolymer of ethylene with at least one comonomer; wherein said multimodal medium density polyethylene polymer has a density of more than 925 kg/m3; and the ratio between the comonomer content in mol-% present in LMW component (A) and the total comonomer content in mol-% present in the multimodal medium density polyethylene polymer is more than 0.3.
    Type: Application
    Filed: January 24, 2008
    Publication date: February 4, 2010
    Inventors: Alexander Krajete, Tore Dreng, Katrin Nord-Varhaug
  • Publication number: 20090318642
    Abstract: Use of a catalyst composition treated with a surface modifier in the polymerization of olefins for lowering the gel content in the resulting polyolefin, wherein the surface modifier has a polar residue capable of interacting with the surface of the catalyst composition and a lipophilic residue and is selected from carboxylate metal salts, nitrogen containing catalyst surface modifiers, phosphorus containing catalyst surface modifiers, oxygen containing catalyst surface modifiers, sulfur containing catalyst surface modifiers, fluoro containing polymeric catalyst surface modifiers or mixtures thereof and wherein the gel content is determined by using pressed plate gel analysis method.
    Type: Application
    Filed: December 29, 2006
    Publication date: December 24, 2009
    Applicant: BOREALIS TECHNOLOGY OY
    Inventors: Esa Kokko, Janne Maaranen, John Severn, Marjaana Lommi, Alexander Krajete, Tore Dreng
  • Patent number: 7589223
    Abstract: The invention relates to non-metallocene catalyst systems useful for preparing olefin homopolymers or copolymers. The catalyst systems comprise a cocatalyst and a Group 3-10 transition metal compound that incorporates a diimine ligand in which sp2-hybridized carbons of the imine groups are joined by a specific divalent one- or two-membered bridge (Y) comprising nitrogen and/or oxygen. The invention includes the diimine ligands, the transition metal compounds, the catalyst systems, and processes for making the ligands, transition metal compounds, catalyst systems, and olefin homopolymers or copolymers.
    Type: Grant
    Filed: September 16, 2004
    Date of Patent: September 15, 2009
    Assignee: Basell Polyolefine GmbH
    Inventors: Benno Bildstein, Alexander Krajete
  • Publication number: 20080139749
    Abstract: A multimodal copolymer of ethylene comprising at least (i) a lower molecular weight fraction of a copolymer of ethylene and at least one alpha-olefin comonomer and (ii) a higher molecular weight fraction of a copolymer of ethylene and at least one alpha-olefin comonomer, wherein said copolymer has a density below 920 kg/m3.
    Type: Application
    Filed: December 22, 2005
    Publication date: June 12, 2008
    Applicant: Borealis Technology Oy
    Inventors: Arja Lehtinen, Merete Skar, Jarmo Lindroos, Janne Maaranen, Markku Vahteri, Hans Eklind, Holger Poehler, Alexander Krajete
  • Patent number: 6969748
    Abstract: Complexes of the formula I where M?Ni, Pd; process for preparing the metal complexes and the use of the complexes obtainable in this way for the polymerization and copolymerization of olefins, for example in suspension polymerization processes, gas-phase polymerization processes and bulk polymerization processes.
    Type: Grant
    Filed: October 12, 2004
    Date of Patent: November 29, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Marc Oliver Kristen, Peter Preishuber-Pflügl, Benno Bildstein, Alexander Krajete
  • Patent number: 6946568
    Abstract: Complexes of the formulae Ia and Ib where M=Ti, Zr, Hf, V, Nb or Ta, can be used for the polymerization and copolymerization of olefins, for example in suspension polymerization processes, gas-phase polymerization processes and bulk polymerization processes.
    Type: Grant
    Filed: February 6, 2002
    Date of Patent: September 20, 2005
    Assignee: Basell Polyolefine GmbH
    Inventors: Marc Oliver Kristen, Benno Bildstein, Alexander Krajete
  • Patent number: 6936563
    Abstract: The invention relates to coordination compounds of the general formulae (Ia) to (Ib), wherein M=Ti, Zr, Hf, V, Nb or Ta. The invention also relates to a method for producing the metal complexes and to the use of the complexes so obtained for the polymerization and copolymerization of olefins.
    Type: Grant
    Filed: February 7, 2002
    Date of Patent: August 30, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Marc Oliver Kristen, Benno Bildstein, Alexander Krajete
  • Patent number: 6933400
    Abstract: Complexes of the formulae I a to d, where M is an element of groups 6 to 10 of the Periodic Table of the Elements, preferably Ni, can be used for the polymerization and copolymerization of olefins, for example in suspension polymerization processes, gas-phase polymerization processes, bulk polymerization processes and emulsion polymerization processes.
    Type: Grant
    Filed: February 7, 2002
    Date of Patent: August 23, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Marc Oliver Kristen, Benno Bildstein, Alexander Krajete