Patents by Inventor Erich Gulbins

Erich Gulbins 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).

  • Patent number: 3957744
    Abstract: Polymerization of vinyl chloride in aqueous suspension in the presence of free-radical initiators of short half-life at pH's below 8. The temperature of the reactor wall must not be more than 20.degree.C above the temperature of the polymerization mixture during the heat-up phase and it must be lower than the temperature of the polymerization mixture during the subsequent polymerization phase. This procedure suppresses the formation of incrustations in the reactor.
    Type: Grant
    Filed: March 15, 1973
    Date of Patent: May 18, 1976
    Assignee: Badische Anilin- & Soda-Fabrik Aktiengesellschaft
    Inventors: Walter Deuschel, Erich Gulbins, Alfred Hauss, Dietrich Lausberg, Wilhelm Sigmund