Patents by Inventor Hans-Peter Elsässer

Hans-Peter Elsässer 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).

  • Biologically tolerated low molecular weight polyethylenimines
    Publication number: 20110306656
    Abstract: The invention relates to low molecular weight polyethylenimines, to vectors for inserting nucleic acids into cells which contain low molecular weight polyethylenimines, and to the preparation and use of the low molecular weight polyethylenimine and the vector. The invention relates to a vector for inserting a nucleic acid into a cell, which vector contains a low molecular weight polyethylenimine (LMW PEI) and a nucleic acid, with the LMW PEI having a molecular weight of less than 50,000 Da.
    Type: Application
    Filed: July 18, 2011
    Publication date: December 15, 2011
    Applicant: SANOFI-AVENTIS DEUTSCHLAND GMBH
    Inventors: Thomas Kissel, Dagmar Fischer, Hans-Peter Elsässer, Thorsten Bieber
  • Biologically tolerated low molecular weight polyethylenimines
    Patent number: 8003734
    Abstract: The invention relates to low molecular weight polyethylenimines, to vectors for inserting nucleic acids into cells which contain low molecular weight polyethylenimines, and to the preparation and use of the low molecular weight polyethylenimine and the vector. The invention relates to a vector for inserting a nucleic acid into a cell, which vector contains a low molecular weight polyethylenimine (LMW PEI) and a nucleic acid, with the LMW PEI having a molecular weight of less than 50,000 Da.
    Type: Grant
    Filed: October 7, 2002
    Date of Patent: August 23, 2011
    Assignee: Sanofi-Aventis Deutschland GmbH
    Inventors: Thomas Kissel, Dagmar Fischer, Hans-Peter Elsässer, Thorsten Bieber