Patents by Inventor Adrian Schervan

Adrian Schervan 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).

  • Silicon diimide, a process for its preparation and silicon nitride obtained therefrom
    Patent number: 5258169
    Abstract: Silicon diimide having a carbon content of at most 0.5% by weight and a chlorine content of at most 20 ppm is prepared by reacting ammonia with organyl amino silane at 50.degree.-300.degree. C. at elevated pressure and is useful as an intermediate for high grade silicon nitride.
    Type: Grant
    Filed: September 20, 1991
    Date of Patent: November 2, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ulrich Wannagat, Adrian Schervan, Martin Jansen, Hans-Peter Baldus, Aloys Eiling