Patents by Inventor Stefan Haefner

Stefan Haefner 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: 11299522
    Abstract: The present invention relates to a method of producing a recombinant polypeptide a filamentous fungus which is genetically modified to decrease or eliminate the activity of cellulase regulator 2 (CLR2) and to express said recombinant polypeptide. The method further relates to a filamentous fungus Myceliophthora thermophila, which is genetically modified to decrease or eliminate the activity of CLR2 and the use of this filamentous fungus in the production of a recombinant polypeptide.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: April 12, 2022
    Assignee: BASF SE
    Inventors: Stefan Haefner, Andreas Thywissen, Holger Hartmann, Nico Boehmer
  • Patent number: 11279955
    Abstract: Described herein is a process of producing an organic compound, the process including: I) cultivating a genetically modified microorganism in a culture medium including sucrose as an assimilable carbon source to allow the genetically modified microorganism to produce the organic compound, and II) recovering the organic compound from the fermentation broth obtained in process step I) The genetically modified microorganism includes A) at least one genetic modification that leads to an increased activity of the enzyme encoded by the rbsK-gene, compared to the original microorganism that has not been genetically modified, and the original microorganism belongs to the family Pasteurellaceae. Also described herein are a genetically modified microorganism and the use thereof for the fermentative production of an organic compound from sucrose as an assimilable carbon source.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: March 22, 2022
    Assignee: BASF SE
    Inventors: Hartwig Schroeder, Stefan Haefner, Oskar Zelder, Christoph Wittmann, Anna Christine Schroer, Birgit Hoff, Nico Boehmer
  • Publication number: 20210198643
    Abstract: The present invention relates to variants of an alpha-amylase which have an increased exoamylase activity compared to the parent alpha-amylase. The present invention also relates to methods of making the variant alpha-amylase and the use of the variant alpha-amylase in baking, detergents, personal care products, in the processing of textiles, in pulp and paper processing, in the production of ethanol, lignocellulosic ethanol or syrups and as viscosity breaker in oilfield and mining industries.
    Type: Application
    Filed: May 29, 2019
    Publication date: July 1, 2021
    Inventors: Hugo URBINA, Asfia QURESHI, Adrienne HUSTON DAVENPORT, Xuqiu TAN, Jochen KUTSCHER, Andreas FUNKE, Michael SEITTER, Stefan HAEFNER, Anh-Huy Phan LE
  • Patent number: 10993446
    Abstract: Lipase enzymes and methods of using the lipases in a baking for improving the volume, stability, tolerance of a baked product and/or reducing and reducing or eliminating the use of DATEM.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: May 4, 2021
    Assignee: BASF SE
    Inventors: Cristina Pop, Adrienne Huston Davenport, Michael Liszka, Xuqiu Tan, Andreas Funke, Jochen Kutscher, Michael Seitter, Stefan Haefner
  • Publication number: 20200308235
    Abstract: The present invention relates to a method of producing a recombinant polypeptide a filamentous fungus which is genetically modified to decrease or eliminate the activity of cellulase regulator 2 (CLR2) and to express said recombinant polypeptide. The method further relates to a filamentous fungus Myceliophthora thermophila, which is genetically modified to decrease or eliminate the activity of CLR2 and the use of this filamentous fungus in the production of a recombinant polypeptide.
    Type: Application
    Filed: December 2, 2016
    Publication date: October 1, 2020
    Inventors: Stefan Haefner, Andreas Thywissen, Holger Hartmann, Nico Boehmer
  • Publication number: 20200181653
    Abstract: Described herein is a process of producing an organic compound, the process including: I) cultivating a genetically modified microorganism in a culture medium including sucrose as an assimilable carbon source to allow the genetically modified microorganism to produce the organic compound, and II) recovering the organic compound from the fermentation broth obtained in process step I) The genetically modified microorganism includes A) at least one genetic modification that leads to an increased activity of the enzyme encoded by the rbsK-gene, compared to the original microorganism that has not been genetically modified, and the original microorganism belongs to the family Pasteurellaceae. Also described herein are a genetically modified microorganism and the use thereof for the fermentative production of an organic compound from sucrose as an assimilable carbon source.
    Type: Application
    Filed: May 18, 2018
    Publication date: June 11, 2020
    Inventors: Hartwig Schroeder, Stefan Haefner, Oskar Zelder, Christoph Wittmann, Anna Christine Schroer, Birgit Hoff, Nico Boehmer
  • Patent number: 10597429
    Abstract: The present invention relates to a method of producing a recombinant polypeptide in a filamentous fungus which is genetically modified to decrease or eliminate the activity of cellulase regulator 1 (CLR1) and to express the recombinant polypeptide. The method further relates to a filamentous fungus Myceliophthora thermophila, which is genetically modified to decrease or eliminate the activity of CLR1 and to the use of this filamentous fungus in the production of a recombinant polypeptide.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: March 24, 2020
    Assignee: BASF SE
    Inventors: Stefan Haefner, Andreas Thywissen, Holger Hartmann, Nico Boehmer
  • Patent number: 10513693
    Abstract: The present invention relates to a process for producing an organic acid by fermentation, comprising the process steps: I) cultivating microorganisms in a culture medium to which are fed, as assimilable carbon sources, glycerol and a further carbonaceous compound, to allow the microorganisms to produce the organic acid, thereby obtaining a fermentation broth comprising the organic acid; II) recovering the organic acid or the salt thereof from the fermentation broth obtained in process step I); wherein, at least for a certain period of time in process step I), the consumption rate of the further carbonaceous compound (CRc.c.; in g per liter per hour) is lower than the maximum theoretical consumption rate of the further carbonaceous compound (CRc.c. max; in g per liter per hour).
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: December 24, 2019
    Assignee: BASF SE
    Inventors: Esther Dantas Costa, Oskar Zelder, Hartwig Schröder, Stefan Haefner, Joanna Martyna Krawczyk, Gregory Von Abendroth, Christian Riedele, Torsten Renz
  • Patent number: 10301588
    Abstract: The present invention relates to a method for degrading DNA in a sample obtained by microbial fermentation or biotransformation, comprising treating the sample with a combination of increased temperature and low pH. It also relates to a method for releasing DNA from a microbial cell, comprising incubating the microbial cell at a temperature of 45° C. to 55° C. for two to ten hours. Finally, the present invention provides a method for producing a product, comprising a step of releasing DNA from a microbial cell and degrading said DNA.
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: May 28, 2019
    Assignee: BASF SE
    Inventors: Birgit Hoff, Stefan Haefner, Weol Kyu Jeong, Edzard Scholten
  • Patent number: 10287571
    Abstract: The present invention relates to a modified microorganism having, compared to its wildtype, —a reduced activity of an enzyme encoded by the ptsA-gene, —a reduced activity of an enzyme encoded by the ptsH-gene or —a reduced activity of an enzyme encoded by the ptsA-gene and a reduced activity of an enzyme encoded by the ptsH-gene, wherein the wildtype from which the modified microorganism has been derived belongs to the family of Pasteurellaceae. The present invention also relates to a method for producing succinic acid and to the use of modified microorganisms.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: May 14, 2019
    Assignee: BASF SE
    Inventors: Joanna Martyna Krawczyk, Stefan Haefner, Hartwig Schroeder, Oskar Zelder
  • Patent number: 10287558
    Abstract: The present invention relates to a modified microorganism having, compared to its wild-type, a reduced activity of the enzyme that is encoded by the pykA-gene. The present invention also relates to a method for producing an organic compound and to the use of modified microorganisms.
    Type: Grant
    Filed: February 2, 2015
    Date of Patent: May 14, 2019
    Assignee: BASF SE
    Inventors: Joanna Martyna Krawczyk, Stefan Haefner, Hartwig Schröder, Esther Dantas Costa, Oskar Zelder, Gregory Von Abendroth, Christoph Wittmann, René Stellmacher, Judith Becker, Anna Lange, Benjamin J. Lyons, Thomas J. Lyons, Eudes De Crecy, Ewa Hughes
  • Patent number: 10273485
    Abstract: The present invention relates to a modified microorganism having, compared to its wild-type, a reduced activity of the enzyme that is encoded by the wcaJ-gene. The present invention also relates to a method for producing an organic compound and to the use of a modified microorganism.
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: April 30, 2019
    Assignee: BASF SE
    Inventors: Joanna Martyna Krawczyk, Stefan Haefner, Hartwig Schröder, Esther Dantas Costa, Oskar Zelder, Gregory Von Abendroth, Christoph Wittmann, René Stellmacher, Judith Becker
  • Publication number: 20190053501
    Abstract: Lipase enzymes and methods of using the lipases in a baking for improving the volume, stability, tolerance of a baked product and/or reducing and reducing or eliminating the use of DATEM.
    Type: Application
    Filed: February 15, 2017
    Publication date: February 21, 2019
    Inventors: Cristina POP, Adrienne HUSTON DAVENPORT, Michael LISZKA, Xuqiu TAN, Andreas FUNKE, Jochen KUTSCHER, Michael SEITTER, Stefan HAEFNER
  • Publication number: 20180354999
    Abstract: The present invention relates to a method of producing a recombinant polypeptide in a filamentous fungus which is genetically modified to decrease or eliminate the activity of cellulase regulator 1 (CLR1) and to express the recombinant polypeptide. The method further relates to a filamentous fungus Myceliophthora thermophila, which is genetically modified to decrease or eliminate the activity of CLR1 and to the use of this filamentous fungus in the production of a recombinant polypeptide.
    Type: Application
    Filed: December 2, 2016
    Publication date: December 13, 2018
    Inventors: Stefan Haefner, Andreas Thywissen, Holger Hartmann, Nico Boehmer
  • Patent number: 9932612
    Abstract: The present invention relates to bacterial strains, capable of utilizing glycerol as a carbon source for the fermentative production of succinic acid, wherein said strains are genetically modified so that they comprise a deregulation of their endogenous pyruvate-formate-lyase enzyme activity, as well as to methods of producing organic acids, in particular succinic acid, by making use of such microorganism. The present invention also relates to the downstream processing of the produced organic acids by cation exchange chromatography.
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: April 3, 2018
    Assignee: BASF SE
    Inventors: Hartwig Schröder, Stefan Haefner, Gregory Von Abendroth, Rajan Hollmann, Aline Raddatz, Hansgeorg Ernst, Hans Gurski
  • Publication number: 20180030418
    Abstract: The present invention relates to a process for producing an organic acid by fermentation, comprising the process steps: I) cultivating microorganisms in a culture medium to which are fed, as assimilable carbon sources, glycerol and a further carbonaceous compound, to allow the microorganisms to produce the organic acid, thereby obtaining a fermentation broth comprising the organic acid; II) recovering the organic acid or the salt thereof from the fermentation broth obtained in process step I); wherein, at least for a certain period of time in process step I), the consumption rate of the further carbonaceous compound (CRc.c.; in g per liter per hour) is lower than the maximum theoretical consumption rate of the further carbonaceous compound (CRc.c. max; in g per liter per hour).
    Type: Application
    Filed: March 18, 2015
    Publication date: February 1, 2018
    Inventors: Esther Dantas Costa, Oskar Zelder, Hartwig Schröder, Stefan Haefner, Joanna Martyna Krawczyk, Gregory Von Abendroth, Christian Riedele, Torsten Renz
  • Publication number: 20170369835
    Abstract: The present invention relates to a method for degrading DNA in a sample obtained by microbial fermentation or bio-transformation, comprising treating the sample with a combination of increased temperature and low pH. It also relates to a method for releasing DNA from a microbial cell, comprising incubating the microbial cell at a temperature of 45° C. to 55° C. for two to ten hours. Finally, the present invention provides a method for producing a product, comprising a step of releasing DNA from a microbial cell and degrading said DNA.
    Type: Application
    Filed: December 9, 2015
    Publication date: December 28, 2017
    Inventors: Birgit HOFF, Stefan HAEFNER, Weol Kyu JEONG, Edzard SCHOLTEN
  • Patent number: 9850506
    Abstract: The present invention relates to a modified microorganism having, compared to its wild-type, a reduced activity of the enzyme that is encoded by the fruA-gene. The present invention also relates to a method for producing an organic compound and to the use of modified microorganisms.
    Type: Grant
    Filed: May 2, 2015
    Date of Patent: December 26, 2017
    Assignee: BASF SE
    Inventors: Joanna Martyna Krawczyk, Stefan Haefner, Hartwig Schröder, Esther Dantas Costa, Oskar Zelder, Gregory Von Abendroth
  • Patent number: 9828617
    Abstract: Microorganisms and processes for the recombinant manufacture of clavine-type alkaloids such as cycloclavine, festuclavine, agroclavine, chanoclavine and chanoclavine aldehyde, as well as polypeptides, polynucleotides and vectors comprising such polynucleotides which can be applied in a method for the manufacture of clavine-type alkaloids are provided.
    Type: Grant
    Filed: August 13, 2013
    Date of Patent: November 28, 2017
    Assignees: BASF SE, Evolva SA
    Inventors: Michael Naesby, Christophe Folly, Curt Aimé Friis Nielsen, Anaelle Hatsch, Markus Schwab, Oskar Zelder, Stefan Haefner, Hartwig Schroeder, Birgit Hoff, Andrea Molt, Klaus Ditrich, Michael Breuer, Holger Hartmann, Karsten Koerber
  • Publication number: 20170166937
    Abstract: The present invention relates to a modified microorganism having, compared to its wild-type, a reduced activity of the enzyme that is encoded by the fruA-gene. The present invention also relates to a method for producing an organic compound and to the use of modified microorganisms.
    Type: Application
    Filed: May 2, 2015
    Publication date: June 15, 2017
    Inventors: Joanna Martyna Krawczyk, Stefan Haefner, Hartwig Schröder, Esther Dantas Costa, Oskar Zelder, Gregory Von Abendroth