Patents by Inventor Ru digerart

Ru digerart 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).

  • (Co)polycarbonates stabilized against .gamma.-radiation
    Patent number: 5773491
    Abstract: The object of the present invention is polycarbonate molding compositions containing polycarbonates, stabilizers of the general formula (I)R.sub.1 --X--CZ--Y--R.sub.2and optionally polypropylene glycols. The object of the present invention is also use of these molding compositions to produce items for medical applications.
    Type: Grant
    Filed: March 7, 1996
    Date of Patent: June 30, 1998
    Assignee: Bayer AG
    Inventors: Wolfgang Ebert, Ralf Hufen, Ru digerart, Gerhard Fennhoff