Patents by Inventor Rolf-Rudiger Hoffmann

Rolf-Rudiger Hoffmann 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).

  • Prostaglandin-containing lyophilized powders
    Patent number: 4058623
    Abstract: Lyophilized prostaglandin-containing powders are stabilized with tris(hydroxymethyl)-aminomethane hydrochloride.
    Type: Grant
    Filed: March 22, 1976
    Date of Patent: November 15, 1977
    Assignee: Schering Aktiengesellschaft
    Inventors: Rolf-Rudiger Hoffmann, Peter Fuchs