Patents by Inventor Kim Johannsen

Kim Johannsen 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 catalytic alkylation of monocyclic aromatic compounds and composition for use therein
    Patent number: 7285696
    Abstract: A process for the catalytic alkylation of monocyclic aromatic compounds in a hydrocarbon process stream comprising contacting the monocyclic aromatic compound-containing hydrocarbon process stream with an alkylation agent under alkylation conditions with a mesoporous zeotype catalyst having an intracrystalline, non-crystallographic mesopore system and a mesopore volume of the zeotype crystals above 0.25 ml/g.
    Type: Grant
    Filed: May 7, 2004
    Date of Patent: October 23, 2007
    Assignee: Haldor Topsoe A/S
    Inventors: Iver Schmidt, Claus Hviid Christensen, Christina Christensen, Kim Johannsen
  • Process for catalytic alkylation of monocyclic aromatic compounds and composition for use therein
    Publication number: 20040254410
    Abstract: A process for the catalytic alkylation of monocyclic aromatic compounds in a hydrocarbon process stream comprising contacting the monocyclic aromatic compound-containing hydrocarbon process stream with an alkylation agent under alkylation conditions with a mesoporous zeotype catalyst having an intracrystalline, non-crystallographic mesopore system and a mesopore volume of the zeotype crystals above 0.25 ml/g.
    Type: Application
    Filed: May 7, 2004
    Publication date: December 16, 2004
    Inventors: Iver Schmidt, Claus Hviid Christensen, Christina Christensen, Kim Johannsen