Patents by Inventor Andrea DIEDRICH

Andrea DIEDRICH 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).

  • Patent number: 10369217
    Abstract: The present invention is directed to nanoparticles comprising chitosan and an antigen, whereby the chitosan has a degree of deacetylation of about 90% and a molecular weight from 5 kDa to 80 kDa, to microparticles containing such nanoparticles as well as to a process for preparation of such particles. The particles are usable for vaccination.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: August 6, 2019
    Assignee: MERCK PATENT GMBH
    Inventors: Andrea Hanefeld, Markus Weigandt, Michael Wolf, Percy Knolle, Matthias Schroeder, Regina Scherliess, Peter Walden, Andrea Diedrich, Hartwig Steckel, Renato Brito Baleeiro
  • Publication number: 20170143822
    Abstract: The present invention is directed to nanoparticles comprising chitosan and an antigen, whereby the chitosan has a degree of deacetylation of about 90% and a molecular weight from 5 kDa to 80 kDa, to microparticles containing such nanoparticles as well as to a process for preparation of such particles. The particles are usable for vaccination.
    Type: Application
    Filed: May 12, 2015
    Publication date: May 25, 2017
    Applicant: MERCK PATENT GMBH
    Inventors: Andrea HANEFELD, Markus WEIGANDT, Michael WOLF, Percy KNOLLE, Matthias SCHROEDER, Regina SCHERLIESS, Peter WALDEN, Andrea DIEDRICH, Hartwig STECKEL, Renato Brito BALEEIRO