Patents by Inventor Karl-Heinz Rutzeil

Karl-Heinz Rutzeil 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).

  • PROCESS FOR THE PREPARATION OF ORGANOSILYLALKYLPOLYSULFANES
    Publication number: 20020049347
    Abstract: The invention relates to a process for the preparation of organosilylalkylpolysulfanes, of the general formula I (R1R2R3SiR4)2SX (I) by reaction of organosilylalkylpolysulfanes of the general formula II (R1R2R3SiR4)2Sy (II) with an ionic sulfide of the general formula M+2S2− (III) and an organosilylalkyl halide of the general formula R1R2R3SiR4X (IV), the long-chain organosilylalkylpolysulfane of the general formula (II) and the organosilylalkyl halide of the general formula (IV) being initially introduced into the reaction vessel and the ionic sulfide of the general formula (III) being added to this solution in several portions.
    Type: Application
    Filed: July 13, 2001
    Publication date: April 25, 2002
    Inventors: Alfred Alig, Christoph Batz-Sohn, Ulrich Deschler, Rudolf Michel, Jorg Munzenberg, Raymund Sonnenschein, Werner Will, Gerd Rainhard Zezulka, Karl-Heinz Rutzeil