Patents by Inventor Anke Harpe

Anke Harpe 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).

  • Cationic block copolymers
    Publication number: 20070036866
    Abstract: The invention relates to cationic block copolymers of formula A(—X—B)n or C(—Y—D)m, wherein A represents a hydrophilic polymer, B represents polyethyleneimine (PEI), X represents a bridge, n represents 1-200, C represents PEI, D represents the residue of a polyethylene glycol, Y represents a bridge and m represents 1-200. The invention also relates to methods for producing the inventive cationic block polymers and to their use e.g. as a tenside and for complexing nucleic acids.
    Type: Application
    Filed: October 18, 2006
    Publication date: February 15, 2007
    Inventors: Thomas Kissel, Holger Petersen, Dagmar Fischer, Klaus Kunath, Anke Harpe