Patents by Inventor Wilhem-Gustav Schnell

Wilhem-Gustav Schnell 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).

  • Meso-lactide
    Patent number: 5214159
    Abstract: The invention relates to meso-lactide having a melting point of 52.8.degree. C. and to processes for its preparation.
    Type: Grant
    Filed: July 12, 1990
    Date of Patent: May 25, 1993
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Manfred Muller, Joachim Hess, Wilhem-Gustav Schnell, Dieter Bendix, Gunther Entenmann
  • Meso-lactide, processes for preparing it and polymers and copolymers produced therefrom
    Patent number: 4983745
    Abstract: The invention relates to a meso-lactide having a melting point of 52.8.degree. C., processes for its preparation, and its use in the preparation of resorbable polymers and copolymers.
    Type: Grant
    Filed: April 3, 1989
    Date of Patent: January 8, 1991
    Assignee: Boehringer Ingelheim KG
    Inventors: Manfred Muller, Joachim Hess, Wilhem-Gustav Schnell, Dieter Bendix, Gunther Entenmann