Patents by Inventor Stefan Hafner

Stefan Hafner 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).

  • Process for the production of amino acids without trehalose
    Publication number: 20060063239
    Abstract: The invention relates to a method for producing an amino acid comprising culturing a microorganism of the genus Corynebacterium or Brevibacterium wherein said microorganism is partially or completely deficient in at least one of the gene loci of the the group which is formed by otsAB, treZ and treS, and subsequent isolation of the amino acid from the culture medium.
    Type: Application
    Filed: June 23, 2005
    Publication date: March 23, 2006
    Applicant: BASF Aktiengesellschaft
    Inventors: Corinna Klopprogge, Oskar Zelder, Burkhard Kroger, Hartwig Schroder, Stefan Hafner, Wolfgang Liebl
  • Method for zymotic production of fine chemicals (meta) containing sulphur
    Publication number: 20060003425
    Abstract: The invention relates to methods for the fermentative production of sulfur-containing fine chemicals, in particular L-methionine, by using bacteria which express a nucleotide sequence coding for a methionine synthase (metA) gene.
    Type: Application
    Filed: August 26, 2003
    Publication date: January 5, 2006
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Burkhard Kroger, Oskar Zelder, Corinna Klopprogge, Hartwig Schroder, Stefan Hafner
  • Method for zymotic production of fine chemicals (mety) containing sulphur
    Publication number: 20050260721
    Abstract: The invention relates to methods for the fermentative production of sulfur-containing fine chemicals, in particular L-methionine, by using bacteria which express a nucleotide sequence coding for a methionine synthase (metH) gene.
    Type: Application
    Filed: August 26, 2003
    Publication date: November 24, 2005
    Inventors: Burkhard Kroger, Oskar Zelder, Corinna Klopproge, Hartwig Schroder, Stefan Hafner
  • Use of the repressor glxr for the synthesis of lysine in corynebacterium glutamicum
    Publication number: 20050196847
    Abstract: Isolated polypeptide sequence having the sequence of SEQ ID NO:1 or muteins thereof having the ability to bind cAMP and repress the expression of the aceB gene of C. glutamicum and which can be obtained from SEQ ID NO:1 by inserting, deleting or substituting up to 20% of the amino acids.
    Type: Application
    Filed: May 13, 2003
    Publication date: September 8, 2005
    Applicant: Basf AG
    Inventors: Corinna Klopprogge, Oskar Zelder, Burkhard Kroger, Hartwig Schroder, Stefan Hafner, Heung-Schick Lee
  • Necklace
    Patent number: D456733
    Type: Grant
    Filed: February 24, 2000
    Date of Patent: May 7, 2002
    Inventor: Stefan Hafner