Patents by Inventor Volker Bühler

Volker Bühler 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).

  • Stabilized polyvinylpyrrolidone formulation
    Patent number: 6592900
    Abstract: Preparations in powder form comprising or consisting of soluble or insoluble polyvinylpyrrolidone and/or polyvinylpyrrolidone copolymers and suitable as aid for pharmaceutical formulations comprise in homogeneous dispersion very small amounts of heavy metals which are physiologically tolerated in these amounts, or very small amounts of peroxide-cleaving enzymes.
    Type: Grant
    Filed: January 3, 2001
    Date of Patent: July 15, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Volker Bühler, Ulrich Filges, Tanja Schneider