Patents by Inventor Rolf-Rainer Carls

Rolf-Rainer Carls 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 production of isopropyl alcohol
    Patent number: 4760203
    Abstract: A direct hydration process for the production of isopropyl alcohol by reacting a propene-containing hydrocarbon stream with an aqueous stream in an interconnected series of reactors in the presence of an acidic cation exchange resin catalyst wherein the improvement comprises charging a propene-containing hydrocarbon stream to one end of a series of interconnected reactors and charging an aqueous stream to the opposite end of a series of interconnected reactors and directing the streams through the series of reactors so that the hydrocarbon stream and the aqueous stream flow in opposite directions with respect to the series of interconnected reactors and flow in parallel streams through each individual reactor is provided.
    Type: Grant
    Filed: August 18, 1987
    Date of Patent: July 26, 1988
    Assignee: Deutsche Texaco Aktiengesellschaft
    Inventors: Rolf-Rainer Carls, Gunther Osterburg, Milan Prezelj, Werner Webers