Patents by Inventor Cornelia Dosenbach

Cornelia Dosenbach 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).

  • Crystalline macrolides and process for their preparation
    Patent number: 6423722
    Abstract: 33-Epichloro-33-desoxyascomycin of formula I and various tautomeric or forms thereof, in crystalline form, such as Form A and Form B. Their preparation involves appropriately converting amorphous compound of formula I, or compound of formula I in other than Form A, or compound of formula I in other than Form B, respectively, from a solution thereof under crystallization-inducing conditions or conditions inducing preferential crystallization of Form A or B, respectively. Such crystals are particularly indicated for use in the preparation of topical galenical forms of the compound for pharmaceutical use, e.g. creams, emulsions and ointments.
    Type: Grant
    Filed: October 17, 2000
    Date of Patent: July 23, 2002
    Assignee: Novartis AG
    Inventors: Cornelia Dosenbach, Maximilian Grassberger, Otto Hartmann, Amarylla Horvath, Jean-Paul Mutz, Gerhard Penn, Sabine Pfeffer, Dierk Wieckhusen