Patents by Inventor Rudolf Sinnen

Rudolf Sinnen 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: 7459072
    Abstract: Process for the work-up of naphtha, wherein a) naphtha or a stream produced from naphtha in a pretreatment step is separated in a membrane unit into a stream A which is depleted in aromatics and a stream B which is enriched in aromatics, with the aromatics concentration in stream A being from 2 to 12% by weight (step a), b) at least part of the substream A is fed to a steam cracker (step b), c) at least part of the substream B is fed to a unit in which it is separated by means of a thermal process into a stream C which has a lower aromatics content than stream B or a plurality of streams C?, C?, C?? . . . which each have lower aromatics contents than stream B and a stream D which has a higher aromatics content than stream B or a plurality of streams D?, D?, D?? . . .
    Type: Grant
    Filed: January 24, 2004
    Date of Patent: December 2, 2008
    Assignee: BASF Aktiengesellschaft
    Inventors: Stefan Bitterlich, Hartwig Voss, Gunter Schuch, Rudolf Sinnen, Heinrich Laib, Peter Paessler
  • Publication number: 20060081500
    Abstract: Process for the work-up of naphtha, wherein a) naphtha or a stream produced from naphtha in a pretreatment step is separated in a membrane unit into a stream A which is depleted in aromatics and a stream B which is enriched in aromatics, with the aromatics concentration in stream A being from 2 to 12% by weight (step a), b) at least part of the substream A is fed to a steam cracker (step b), c) at least part of the substream B is fed to a unit in which it is separated by means of a thermal process into a stream C which has a lower aromatics content than stream B or a plurality of streams C?, C?, C?? . . . which each have lower aromatics contents than stream B and a stream D which has a higher aromatics content than stream B or a plurality of streams D?, D?, D?? . . .
    Type: Application
    Filed: January 24, 2004
    Publication date: April 20, 2006
    Applicant: BASF Aktiengesellschaft
    Inventors: Stefan Bitterlich, Hartwig Vob, Gunter Schuch, Rudolf Sinnen, Heinrich Laib, Peter Pabler