Patents by Inventor Helga Doring

Helga Doring 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).

  • Implantable drug depot and process for the production thereof
    Patent number: 4322398
    Abstract: An implantable drug depot for the treatment of diseases of the bone or bone marrow. The depot consisting of a matrix in which at least one active ingredient is incorporated and contains at least one adjuvant agent to control the kinetics of the drug release. The matrix material consists of resorbable sintered calcium phosphate composed of CaO and P.sub.2 O.sub.5 in a ratio between 5:1 and 2:1.
    Type: Grant
    Filed: February 21, 1979
    Date of Patent: March 30, 1982
    Assignee: Battelle Institut e.V.
    Inventors: Roland Reiner, Wolfgang KiBing, Helga Doring, Kari Koster-Losche, Helmut Heide