Patents by Inventor Hartmut Friederich Hildebrand

Hartmut Friederich Hildebrand 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).

  • Biomaterials carrying cyclodextrins having improved absorption properties and used for the progressive and delayed release of therapeutic molecules
    Patent number: 8906403
    Abstract: A method for preparing a biomaterial containing at least one bioactive molecule from a base biomaterial, comprising the following successive operations carried out on the base biomaterial: a) application of a solid mixture of: cyclodextrin(s) and/or cyclodextrin derivative(s) and/or cyclodextrin inclusion complex(es) and/or cyclodextrin derivative inclusion complex(es), at least one poly(carboxylic) acid, and optionally a catalyst; b) heating at a temperature between 100° C. and 200° C. for a period of 1 to 60 minutes; c) washing with water; d) drying, wherein at least one bioactive agent is incorporated in the biomaterial by impregnation of the biomaterial after the drying step in a concentrated solution of the bioactive agent.
    Type: Grant
    Filed: November 15, 2005
    Date of Patent: December 9, 2014
    Assignees: Universite des Sciences et Technologies de Lille SAIC, Universite de Droit et Sante
    Inventors: Bernard Martel, Nicolas Blanchemain, François Boschin, Stephan Haulon, Elisabeth Delcourt Debruyne, Michel Morcellet, Hartmut Friederich Hildebrand