Patents by Inventor Hendrikus Gerardus M. Heijerman

Hendrikus Gerardus M. Heijerman 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).

  • Powder formulation
    Patent number: 7344734
    Abstract: The invention relates to a powder formulation for administration by inhalation comprising an active substance and a pharmaceutically acceptable excipient, which composition has the form of a physical mixture and comprises from 5 to 25 wt. % of the excipient, and wherein the active substance has a particle size distribution of from 0.5 to 10 ?m, and wherein the excipient has a particle size distribution of from 15 to 500 ?m.
    Type: Grant
    Filed: August 19, 2002
    Date of Patent: March 18, 2008
    Assignee: Rijksuniversiteit Groningen
    Inventors: Hendrikus Gerardus M. Heijerman, Petrus Paulus H. Le Brun, Henderik Willem Frijlink, Anne Haaije de Boer
  • Powder formulation
    Publication number: 20030053960
    Abstract: The invention relates to a powder formulation for administration by inhalation comprising an active substance and a pharmaceutically acceptable excipient, which composition has the form of a physical mixture and comprises from 5 to 25 wt. % of the excipient, and wherein the active substance has a particle size distribution of from 0.5 to 10 &mgr;m, and wherein the excipient has a particle size distribution of from 15 to 500 &mgr;m.
    Type: Application
    Filed: August 19, 2002
    Publication date: March 20, 2003
    Applicant: Rijksuniversiteit Groningen
    Inventors: Hendrikus Gerardus M. Heijerman, Petrus Paulus H. Le Brun, Henderik Willem Frijlink, Anne Haaije de Boer