Patents by Inventor Michael C. LEHR

Michael C. LEHR 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).

  • Preparation of nanoparticles-releasing enteric microparticles
    Patent number: 10561622
    Abstract: The present invention is directed to a process for the preparation of enteric microparticles comprising nanoparticles, wherein the nanoparticles comprise a matrix and an active ingredient. The microparticles obtained by such process are usable various multiparticulate pharmaceutical formulations such as extemporaneous dosage forms (powder for reconstitution).
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: February 18, 2020
    Assignee: Merck Patent GmbH
    Inventors: Andrea Hanefeld, Markus Weigandt, Stefan Schiller, Marc Schneider, Michael C. Lehr
  • PREPARATION OF NANOPARTICLES-RELEASING ENTERIC MICROPARTICLES
    Publication number: 20170312229
    Abstract: The present invention is directed to a process for the preparation of enteric microparticles comprising nanoparticles, wherein the nanoparticles comprise a matrix and an active ingredient. The microparticles obtained by such process are usable various multiparticulate pharmaceutical formulations such as extemporaneous dosage forms (powder for reconstitution).
    Type: Application
    Filed: October 15, 2015
    Publication date: November 2, 2017
    Applicant: Merck Patent GmbH
    Inventors: Andrea HANEFELD, Markus WEIGANDT, Stefan SCHILLER, Marc SCHNEIDER, Michael C. LEHR