Patents by Inventor Gregor DOERDELMANN

Gregor DOERDELMANN 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).

  • Nanoparticle
    Patent number: 10172807
    Abstract: The invention refers to a nanoparticle with a diameter which is the maximum in the nanoparticle size distribution, in the range of 10-300 nm, comprising a) a calcium phosphate nanoparticle core a), b) an active ingredient coating b) on the calcium phosphate nanoparticle core a), c) a lactic acid polymer coating c) on the active ingredient coating b), d) a cationic polymer coating d) on the lactic acid polymer coating c) selected from the group of polyethylene-imines, chitosan and human lactoferrin-derived peptides with a length of 14 to 30 amino acids.
    Type: Grant
    Filed: May 26, 2015
    Date of Patent: January 8, 2019
    Assignee: Evonik Röhm GmbH
    Inventors: Rosario Lizio, Silko Grimm, Hans-Ulrich Petereit, Matthias Epple, Gregor Doerdelmann
  • NANOPARTICLE
    Publication number: 20170333361
    Abstract: The invention refers to a nanoparticle with a diameter which is the maximum in the nanoparticle size distribution, in the range of 10-300 nm, comprising a) a calcium phosphate nanoparticle core a), b) an active ingredient coating b) on the calcium phosphate nanoparticle core a), c) a lactic acid polymer coating c) on the active ingredient coating b), d) a cationic polymer coating d) on the lactic acid polymer coating c) selected from the group of polyethylene-imines, chitosan and human lactoferrin-derived peptides with a length of 14 to 30 amino acids.
    Type: Application
    Filed: May 26, 2015
    Publication date: November 23, 2017
    Applicant: Evonik Roehm GmbH
    Inventors: Rosario LIZIO, Silko GRIMM, Hans-Ulrich PETEREIT, Matthias EPPLE, Gregor DOERDELMANN