Patents by Inventor Natalie Schischka

Natalie Schischka 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: 8153404
    Abstract: The invention relates to mutants and alleles of the zwf gene of coryneform bacteria, which encode variants of the Zwf subunit of glucose 6-phosphate dehydrogenase (EC: 1.1.1.49), and to processes for preparing amino acids, in particular L-lysine and L-tryptophan, by using bacteria which harbor said alleles.
    Type: Grant
    Filed: July 28, 2009
    Date of Patent: April 10, 2012
    Assignee: Evonik Degussa GmbH
    Inventors: Brigitte Bathe, Natalie Schischka, Georg Thierbach
  • Patent number: 7915394
    Abstract: The invention relates to mutants and alleles of the opcA gene of coryneform bacteria, which encode variants of the OpcA subunit of glucose 6-phosphate dehydrogenase (EC: 1.1.1.49), and to processes for preparing amino acids, in particular L-lysine and L-tryptophan, by using bacteria which harbor said alleles.
    Type: Grant
    Filed: January 29, 2010
    Date of Patent: March 29, 2011
    Assignee: Evonik Degussa GmbH
    Inventors: Natalie Schischka, Brigitte Bathe, Georg Thierbach
  • Publication number: 20100196959
    Abstract: The invention relates to mutants and alleles of the opcA gene of coryneform bacteria, which encode variants of the OpcA subunit of glucose 6-phosphate dehydrogenase (EC: 1.1.1.49), and to processes for preparing amino acids, in particular L-lysine and L-tryptophan, by using bacteria which harbor said alleles.
    Type: Application
    Filed: January 29, 2010
    Publication date: August 5, 2010
    Inventors: Natalie Schischka, Brigitte Bathe, Georg Thierbach
  • Patent number: 7700313
    Abstract: The invention relates to mutants and alleles of the opcA gene of coryneform bacteria, which encode variants of the OpcA subunit of glucose 6-phosphate dehydrogenase (EC: 1.1.1.49), and to processes for preparing amino acids, in particular L-lysine and L-tryptophan, by using bacteria which harbor said alleles.
    Type: Grant
    Filed: May 15, 2006
    Date of Patent: April 20, 2010
    Assignee: Evonik Degussa GmbH
    Inventors: Natalie Schischka, Brigitte Bathe, Georg Thierbach
  • Publication number: 20090325242
    Abstract: The invention relates to mutants and alleles of the zwf gene of coryneform bacteria, which encode variants of the Zwf subunit of glucose 6-phosphate dehydrogenase (EC: 1.1.1.49), and to processes for preparing amino acids, in particular L-lysine and L-tryptophan, by using bacteria which harbor said alleles.
    Type: Application
    Filed: July 28, 2009
    Publication date: December 31, 2009
    Applicant: Degussa AG
    Inventors: Brigitte Bathe, Natalie Schischka, Georg Thierbach
  • Patent number: 7618798
    Abstract: The invention relates to mutants and alleles of the coryneform bacterium mqo gene which encodes malate quinone oxidoreductases which contain any amino acid apart from L-serine at position 111, or a comparable position, in the amino acid sequence, and to processes for fermentatively preparing amino acids, preferably L-lysine, L-tryptophan and L-proline, using bacteria which comprise these alleles.
    Type: Grant
    Filed: February 14, 2007
    Date of Patent: November 17, 2009
    Assignee: Evonik Degussa GmbH
    Inventors: Brigitte Bathe, Stephan Hans, Natalie Schischka, Georg Thierbach
  • Patent number: 7585650
    Abstract: The invention relates to mutants and alleles of the zwf gene of coryneform bacteria, which encode variants of the Zwf subunit of glucose 6-phosphate dehydrogenase (EC: 1.1.1.49), and to processes for preparing amino acids, in particular L-lysine and L-tryptophan, by using bacteria which harbor said alleles.
    Type: Grant
    Filed: April 23, 2007
    Date of Patent: September 8, 2009
    Assignee: Degussa AG
    Inventors: Brigitte Bathe, Natalie Schischka, Georg Thierbach
  • Patent number: 7563602
    Abstract: The invention relates to mutants and alleles of the gnd gene from coryneform bacteria coding for 6-phosphogluconate dehydrogenases which contain at position 329 or a comparable position of the amino acid sequence any amino acid other than L-valine, and to processes for the production of amino acids, preferably L-lysine and L-tryptophan, by fermentation using bacteria that contain these alleles.
    Type: Grant
    Filed: January 18, 2008
    Date of Patent: July 21, 2009
    Assignee: Degussa AG, Intellectural Property Management
    Inventors: Georg Thierbach, Brigitte Bathe, Natalie Schischka
  • Publication number: 20080131927
    Abstract: The invention relates to mutants and alleles of the opcA gene of coryneform bacteria, which encode variants of the OpcA subunit of glucose 6-phosphate dehydrogenase (EC: 1.1.1.49), and to processes for preparing amino acids, in particular L-lysine and L-tryptophan, by using bacteria which harbor said alleles.
    Type: Application
    Filed: May 15, 2006
    Publication date: June 5, 2008
    Inventors: Natalie Schischka, Brigitte Bathe, Georg Thierbach
  • Publication number: 20080131903
    Abstract: The invention relates to mutants and alleles of the gnd gene from coryneform bacteria coding for 6-phosphogluconate dehydrogenases which contain at position 329 or a comparable position of the amino acid sequence any amino acid other than L-valine, and to processes for the production of amino acids, preferably L-lysine and L-tryptophan, by fermentation using bacteria that contain these alleles.
    Type: Application
    Filed: January 18, 2008
    Publication date: June 5, 2008
    Applicant: EVONIK DEGUSSA Gmbh
    Inventors: Georg THIERBACH, Brigitte Bathe, Natalie Schischka
  • Patent number: 7338790
    Abstract: The invention relates to mutants and alleles of the gnd gene from coryneform bacteria coding for 6-phosphogluconate dehydrogenases which contain at position 329 or a comparable position of the amino acid sequence any amino acid other than L-valine, and to processes for the production of amino acids, preferably L-lysine and L-tryptophan, by fermentation using bacteria that contain these alleles.
    Type: Grant
    Filed: September 16, 2005
    Date of Patent: March 4, 2008
    Assignee: Degussa AG, Intellectual Property Management
    Inventors: Georg Thierbach, Brigitte Bathe, Natalie Schischka
  • Publication number: 20070224666
    Abstract: The invention relates to mutants and alleles of the zwf gene of coryneform bacteria, which encode variants of the Zwf subunit of glucose 6-phosphate dehydrogenase (EC: 1.1.1.49), and to processes for preparing amino acids, in particular L-lysine and L-tryptophan, by using bacteria which harbor said alleles.
    Type: Application
    Filed: April 23, 2007
    Publication date: September 27, 2007
    Applicant: Degussa AG
    Inventors: Brigitte Bathe, Natalie Schischka, Georg Thierbach
  • Patent number: 7252977
    Abstract: The invention relates to an isolated polynucleotide from Corynebacterium glutamicum having a polynucleotide sequence which encodes the sugar import protein K (msiK) gene, and a host-vector system having a coryneform host bacterium in which the msiK gene is present in enhanced form and a vector which carries at least the msiK gene according to SEQ ID No 1, and the use of polynucleotides which comprise the sequences according to the invention as hybridization probes.
    Type: Grant
    Filed: September 26, 2001
    Date of Patent: August 7, 2007
    Assignee: Degussa AG
    Inventors: Brigitte Bathe, Natalie Schischka, Mike Farwick, Walter Pfefferle
  • Publication number: 20070141680
    Abstract: The invention relates to mutants and alleles of the coryneform bacterium mqo gene which encodes malate quinone oxidoreductases which contain any amino acid apart from L-serine at position 111, or a comparable position, in the amino acid sequence, and to processes for fermentatively preparing amino acids, preferably L-lysine, L-tryptophan and L-proline, using bacteria which comprise these alleles.
    Type: Application
    Filed: February 14, 2007
    Publication date: June 21, 2007
    Applicant: Degussa AG
    Inventors: Brigitte Bathe, Stephan Hans, Natalie Schischka, Georg Thierbach
  • Patent number: 7229802
    Abstract: The present invention provides nucleotide sequences from Coryneform bacteria which code for the MtrA and/or MtrB proteins and processes for the fermentative preparation of amino acids using bacteria in which the mtrA and/or mtrB genes are attenuated.
    Type: Grant
    Filed: September 2, 2003
    Date of Patent: June 12, 2007
    Assignee: Degussa AG
    Inventors: Brigitte Bathe, Natalie Schischka, Michael Bott, Steffen Schaffer
  • Patent number: 7229791
    Abstract: The present invention provides nucleotide sequences from Coryneform bacteria which code for the MtrA and/or MtrB proteins and processes for the fermentative preparation of amino acids using bacteria in which the mtrA and/or mtrB genes are attenuated.
    Type: Grant
    Filed: April 11, 2003
    Date of Patent: June 12, 2007
    Assignee: Degussa AG
    Inventors: Brigitte Bathe, Natalie Schischka, Michael Bott, Steffen Schaffer
  • Patent number: 7214526
    Abstract: The invention relates to mutants and alleles of the coryneform bacterium mqo gene which encodes malate quinone oxidoreductases which contain any amino acid apart from L-serine at position 111, or a comparable position, in the amino acid sequence, and to processes for fermentatively preparing amino acids, preferably L-lysine, L-tryptophan and L-proline, using bacteria which comprise these alleles.
    Type: Grant
    Filed: January 18, 2006
    Date of Patent: May 8, 2007
    Assignee: Degussa AG
    Inventors: Brigitte Bathe, Stephan Hans, Natalie Schischka, Georg Thierbach
  • Publication number: 20070092951
    Abstract: The invention relates to mutants and alleles of the zwf gene of coryneform bacteria, which encode variants of the Zwf subunit of glucose 6-phosphate dehydrogenase (EC: 1.1.1.49), and to processes for preparing amino acids, in particular L-lysine and L-tryptophan, by using bacteria which harbor said alleles.
    Type: Application
    Filed: November 22, 2005
    Publication date: April 26, 2007
    Applicant: Degussa AG
    Inventors: Brigitte Bathe, Natalie Schischka, Georg Thierbach
  • Patent number: 7160703
    Abstract: The present invention provides nucleotide sequences from Coryneform bacteria which code for the PtsI protein and a process for the fermentative preparation of amino acids using bacteria in which the ptsI gene is enhanced.
    Type: Grant
    Filed: June 13, 2003
    Date of Patent: January 9, 2007
    Assignee: Degussa AG
    Inventors: Bettina Moeckel, Stephan Hans, Natalie Schischka, Walter Pfefferle
  • Publication number: 20060246554
    Abstract: The invention relates to mutants and alleles of the gnd gene from coryneform bacteria coding for 6-phosphogluconate dehydrogenases which contain at position 329 or a comparable position of the amino acid sequence any amino acid other than L-valine, and to processes for the production of amino acids, preferably L-lysine and L-tryptophan, by fermentation using bacteria that contain these alleles.
    Type: Application
    Filed: September 16, 2005
    Publication date: November 2, 2006
    Applicant: Degussa AG
    Inventors: Georg Thierbach, Brigitte Bathe, Natalie Schischka