Patents by Inventor Iris Wiegrabe

Iris Wiegrabe 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).

  • Feedback-resistant alpha-isopropylmalate synthases
    Patent number: 9347048
    Abstract: The invention relates to an isolated nucleotide sequence encoding an amino acid sequence that is at least ?90%, ?92%, ?94%, ?96%, ?97%, ?98%, ?99% or 100%, preferably ?97%, particularly preferably ?98%, very particularly preferably ?99%, and extremely preferably 0%, identical to the amino acid sequence of SEQ ID NO:2, wherein SEQ ID NO:2, at position 553, or at a corresponding position of the amino acid sequence, has a proteinogenic amino acid other than L-tyrosine, to a microorganism comprising the nucleotide sequence and also to a process for producing fine chemicals using this microorganism.
    Type: Grant
    Filed: April 12, 2013
    Date of Patent: May 24, 2016
    Assignee: Evonik Technochemie GmbH
    Inventors: Robert Gerstmeir, Iris Wiegrabe
  • FEEDBACK-RESISTANT ALPHA-ISOPROPYLMALATE SYNTHASES
    Publication number: 20150079641
    Abstract: The invention relates to an isolated nucleotide sequence encoding an amino acid sequence that is at least ?90%, ?92%, ?94%, ?96%, ?97%, ?98%, ?99% or 100%, preferably ?97%, particularly preferably ?98%, very particularly preferably ?99%, and extremely preferably 0%, identical to the amino acid sequence of SEQ ID NO:2, wherein SEQ ID NO:2, at position 553, or at a corresponding position of the amino acid sequence, has a proteinogenic amino acid other than L-tyrosine, to a microorganism comprising the nucleotide sequence and also to a process for producing fine chemicals using this microorganism.
    Type: Application
    Filed: April 12, 2013
    Publication date: March 19, 2015
    Applicant: EVONIK INDUSTRIES AG
    Inventors: Robert Gerstmeir, Iris Wiegrabe