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).

  • Publication number: 20170073665
    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: Application
    Filed: May 7, 2015
    Publication date: March 16, 2017
    Inventors: Joanna Martyna Krawczyk, Stefan Haefner, Hartwig Schroeder, Oskar Zelder
  • Publication number: 20160362696
    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: Application
    Filed: February 6, 2015
    Publication date: December 15, 2016
    Inventors: Joanna Martyna Krawczyk, Stefan Haefner, Hartwig Schröder, Esther Dantas Costa, Oskar Zelder, Gregory Von Abendroth, Christoph Wittmann, René Stellmacher, Judith Becker
  • Publication number: 20160348082
    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: Application
    Filed: February 2, 2015
    Publication date: December 1, 2016
    Inventors: Joanna Martyna Krawczyk, Stefan Haefner, Hartwig Schröder, Esther Dantas Costa, Oakar Zelder, Gregory von Abendroth, Christoph Wittmann, René Stellmacher, Judith Becker, Anna Lange, Benjamin J. Lyons, Thomas J. Lyons, Eudes De Crecy, Ewa Hughes
  • Publication number: 20160304917
    Abstract: The present invention relates to a modified microorganism having, compared to its wildtype, an increased activity of the enzyme that is encoded by the alaD-gene. The present invention also relates to a method for producing an alanine and to the use of modified microorganisms.
    Type: Application
    Filed: August 18, 2014
    Publication date: October 20, 2016
    Applicant: BASF SE
    Inventors: Joanna Martyna Krawczyk, Stefan Haefner, Hartwig Schröder, Oskar Zelder, Jonathan Thomas Fabarius
  • Publication number: 20160298160
    Abstract: The present invention relates to a method of producing riboflavin in a genetically modified organism of the genus Eremothecium, wherein said genetic modification is linked to the fatty acid uptake and/or beta-oxidation pathway of said organism, comprising growing said organisms in a culture medium and isolating riboflavin from the culture medium. The invention further relates to a method of providing a riboflavin accumulating organism belonging to the genus Eremothecium by genetically modifying said organism, to organisms obtained by such a method, as well as the use of such genetically modified organisms for increasing the accumulation of riboflavin.
    Type: Application
    Filed: December 4, 2014
    Publication date: October 13, 2016
    Inventors: Birgit HOFF, Andrea MOLT, Stefan HAEFNER, Oskar ZELDER
  • Patent number: 9388441
    Abstract: The present invention relates to genetically modified microorganisms capable of producing beta-glucans, characterized in that the genetically modified microorganism overexpresses (i) a polynucleotide encoding a polypeptide having 1,3-?-D-glucan synthase-activity, and/or (ii) a polypeptide having 1,3-?-D-glucan synthase-activity, compared to a corresponding non-modified control microorganism of the same strain. The present invention also relates to the use of a polynucleotide encoding a polypeptide having 1,3-?-D-glucan synthase-activity or the use of such a polypeptide for producing ?-glucans. Furthermore, the present invention relates to methods for producing ?-glucans comprising the introduction of a promoter upstream of a polynucleotide encoding a polypeptide having 1,3-?-D-glucan synthase-activity thereby increasing the expression of the polynucleotide, or a polynucleotide encoding a polypeptide having 1,3-?-D-glucan synthase-activity into a microorganism being able to synthesize ?-glucans.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: July 12, 2016
    Assignees: BASF SE, Wintershall Holding GmbH
    Inventors: Beata Brockmann, Andrea Herold, Oskar Zelder, Stefan Haefner, Christian Fleck, Hartwig Schröder, Mari Granström, Julia Kristiane Schmidt
  • Publication number: 20160194676
    Abstract: The present invention relates to genetically modified microorganisms capable of producing beta-glucans, characterized in that the genetically modified microorganism overexpresses (i) a polynucleotide encoding a polypeptide having 1,3-?-D-glucan synthase-activity, and/or (ii) a polypeptide having 1,3-?-D-glucan synthase-activity, compared to a corresponding non-modified control microorganism of the same strain. The present invention also relates to the use of a polynucleotide encoding a polypeptide having 1,3-?-D-glucan synthase-activity or the use of such a polypeptide for producing ?-glucans. Furthermore, the present invention relates to methods for producing ?-glucans comprising the introduction of a promoter upstream of a polynucleotide encoding a polypeptide having 1,3-?-D-glucan synthase-activity thereby increasing the expression of the polynucleotide, or a polynucleotide encoding a polypeptide having 1,3-?-D-glucan synthase-activity into a microorganism being able to synthesize ?-glucans.
    Type: Application
    Filed: March 18, 2016
    Publication date: July 7, 2016
    Inventors: Beata Brockmann, Andrea Herold, Oskar Zelder, Stefan Haefner, Christian Fleck, Hartwig Schröder, Mari Granström, Julia Kristiane Schmidt
  • Patent number: 9322041
    Abstract: The present invention relates to genetically modified microorganisms capable of producing beta-glucans, characterized in that the genetically modified microorganism overexpresses (i) a polynucleotide encoding a polypeptide having 1,3-?-D-glucan synthase-activity, and/or (ii) a polypeptide having 1,3-?-D-glucan synthase-activity, compared to a corresponding non-modified control microorganism of the same strain. The present invention also relates to the use of a polynucleotide encoding a polypeptide having 1,3-?-D-glucan synthase-activity or the use of such a polypeptide for producing ?-glucans. Furthermore, the present invention relates to methods for producing ?-glucans comprising the introduction of a promoter upstream of a polynucleotide encoding a polypeptide having 1,3-?-D-glucan synthase-activity thereby increasing the expression of the polynucleotide, or a polynucleotide encoding a polypeptide having 1,3-?-D-glucan synthase-activity into a microorganism being able to synthesize ?-glucans.
    Type: Grant
    Filed: July 3, 2013
    Date of Patent: April 26, 2016
    Assignees: BASF SE, Wintershall Holding GmbH
    Inventors: Beata Brockmann, Andrea Herold, Oskar Zelder, Stefan Haefner, Christian Fleck, Hartwig Schröder, Mari Granström, Julia Kristiane Schmidt
  • Patent number: 9127260
    Abstract: The invention relates to a synthetic phytase with elevated thermostability, elevated stability to acids at p H 2, elevated stability to pepsin and with a broadened active p H range, and to an isolated nucleic acid sequence coding for a synthetic phytase and to the use of the phytase in an animal feed for reducing the phosphate content in the slurry and to animal feed additives and animal feeds comprising the synthetic phytase.
    Type: Grant
    Filed: April 18, 2012
    Date of Patent: September 8, 2015
    Assignee: BASF SE
    Inventors: Stefan Haefner, Annegret Welzel, Robert Thummer
  • Patent number: 9109200
    Abstract: The invention relates to the use of an enzyme preparation which catalyzes the degradation of formaldehyde for reducing the formaldehyde content in a formaldehyde-containing formulation. In a preferred embodiment, the enzyme preparation contains a formaldehyde dismutase from a Pseudomonas putida strain. Further, the invention refers to a process for reducing the formaldehyde content in cross-linking agents for textile finishing or in polymer dispersions used, e.g. in construction chemistry. Further the invention relates to the use of an enzyme preparation which catalyzes the degradation of aldehydes for reducing the formaldehyde content in an aldehyde-containing formulation. Furthermore, the invention relates to a novel variant of the formaldehyde dismutase from Pseudomonas putida.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: August 18, 2015
    Assignee: BASF SE
    Inventors: Andrea Piatesi, Tilo Habicher, Michael Büschel, Li-Wen Wang, Jürgen Reichert, Rainer Packe-Wirth, Kai-Uwe Baldenius, Erich Kromm, Stefan Häfner, Carsten Schwalb, Hans Wolfgang Höffken
  • Publication number: 20150211036
    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: Application
    Filed: August 13, 2013
    Publication date: July 30, 2015
    Applicants: 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: 20150197776
    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: Application
    Filed: April 1, 2015
    Publication date: July 16, 2015
    Applicant: BASF SE
    Inventors: Hartwig Schröder, Stefan Haefner, Gregory Von Abendroth, Rajan Hollmann, Aline Raddatz, Hansgeorg Ernst, Hans Gurski
  • Publication number: 20150152453
    Abstract: The present invention relates to genetically modified microorganisms capable of producing beta-glucans, characterized in that said genetically modified microorganism overexpresses (i) a polynucleotide encoding a polypeptide having 1,3-?-D-glucan synthase-activity, and/or (ii) a polypeptide having 1,3-?-D-glucan synthase-activity, compared to a corresponding non-modified control microorganism of the same strain. The present invention also relates to the use of a polynucleotide encoding a polypeptide having 1,3-?-D-glucan synthase-activity or the use of such a polypeptide for producing ?-glucans. Furthermore, the present invention relates to methods for producing ?-glucans comprising the introduction of a promoter upstream of a polynucleotide encoding a polypeptide having 1,3-?-D-glucan synthase-activity thereby increasing the expression of said polynucleotide, or a polynucleotide encoding a polypeptide having 1,3-?-D-glucan synthase-activity into a microorganism being able to synthesize ?-glucans.
    Type: Application
    Filed: July 3, 2013
    Publication date: June 4, 2015
    Inventors: Beata Brockmann, Andrea Herold, Oskar Zelder, Stefan Haefner, Christian Fleck, Hartwig Schröder, Mari Granström, Julia Kristine Schmidt
  • Patent number: 9023632
    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: January 8, 2014
    Date of Patent: May 5, 2015
    Assignee: BASF SE
    Inventors: Hartwig Schröder, Stefan Haefner, Gregory Von Abendroth, Rajan Hollmann, Aline Raddatz, Hansgeorg Ernst, Hans Gurski
  • Patent number: 8883466
    Abstract: The present invention relates to a bacterial cell of the genus Pasteurella comprising a heterologous polypeptide having formate dehydrogenase activity. The present invention also relates to a method of manufacturing succinic acid and the use of the bacterial cell for the manufacture of succinic acid.
    Type: Grant
    Filed: December 21, 2009
    Date of Patent: November 11, 2014
    Assignee: BASF SE
    Inventors: Edzard Scholten, Stefan Haefner, Hartwig Schröder
  • Patent number: 8877466
    Abstract: The present invention is concerned with bacteria for the production of succinic acid. Specifically, the invention relates to a bacterial cell of the genus Pasteurella comprising a heterologous polypeptide having isocitrate lyase activity and a heterologous polypeptide having malate synthase activity. Further, the present invention contemplates a polynucleotide comprising a nucleic acid encoding a polypeptide having isocitrate lyase activity and a nucleic acid encoding a polypeptide having malate synthase activity. Finally, the present invention relates to the use of a bacterial cell of the invention for the manufacture of succinic acid.
    Type: Grant
    Filed: December 22, 2009
    Date of Patent: November 4, 2014
    Assignee: BASF SE
    Inventors: Edzard Scholten, Stefan Haefner, Hartwig Schröder
  • Publication number: 20140242704
    Abstract: The present invention relates to the use of nucleic acid sequences for regulating the transcription and expression of genes, the novel promoters and expression units themselves, methods for altering or causing the transcription rate and/or expression rate of genes, expression cassettes comprising the expression units, genetically modified microorganisms with altered or caused transcription rate and/or expression rate, and methods for preparing biosynthetic products by cultivating the genetically modified microorganisms.
    Type: Application
    Filed: May 8, 2014
    Publication date: August 28, 2014
    Applicant: BASF SE
    Inventors: Oskar Zelder, Corinna Klopprogge, Burkhard Kröger, Hartwig Schröder, Stefan Haefner
  • Patent number: 8735159
    Abstract: The present invention relates to the use of nucleic acid sequences for regulating the transcription and expression of genes, the novel promoters and expression units themselves, methods for altering or causing the transcription rate and/or expression rate of genes, expression cassettes comprising the expression units, genetically modified microorganisms with altered or caused transcription rate and/or expression rate, and methods for preparing biosynthetic products by cultivating the genetically modified microorganisms.
    Type: Grant
    Filed: March 17, 2008
    Date of Patent: May 27, 2014
    Assignee: BASF SE
    Inventors: Oskar Zelder, Corinna Klopprogge, Burkhard Kroger, Hartwig Schroder, Stefan Haefner
  • Patent number: 8728795
    Abstract: The present invention relates to the use of nucleic acid sequences for regulating the transcription and expression of genes, the novel promoters and expression units themselves, methods for altering or causing the transcription rate and/or expression rate of genes, expression cassettes comprising the expression units, genetically modified microorganisms with altered or caused transcription rate and/or expression rate, and methods for preparing biosynthetic products by cultivating the genetically modified microorganisms.
    Type: Grant
    Filed: February 27, 2008
    Date of Patent: May 20, 2014
    Assignee: BASF SE
    Inventors: Burkhard Kröger, Oskar Zelder, Corinna Klopprogge, Hartwig Schröder, Stefan Haefner
  • Publication number: 20140127764
    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: Application
    Filed: January 8, 2014
    Publication date: May 8, 2014
    Applicant: BASF SE
    Inventors: Hartwig Schröder, Stefan Haefner, Gregory Von Abendroth, Rajan Hollmann, Aline Raddatz, Hansgeorg Ernst, Hans Gurski