Patents by Inventor Karl-Heinz Hoffman

Karl-Heinz Hoffman 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).

  • Method for preparing linear alpha-olefins with improved heat removal
    Patent number: 9012577
    Abstract: The present invention relates to a method for preparing linear alpha-olefins by oligomerizing of ethylene in the presence of a first organic solvent and a homogenous catalyst in a reactor, characterized in that the reactor overhead is cooled by means of a refrigerant.
    Type: Grant
    Filed: June 13, 2006
    Date of Patent: April 21, 2015
    Assignees: Saudi Basic Industries Corporation, Linde AG
    Inventors: Peter Fritz, Heinz Bölt, Karl-Heinz Hoffman, Markus Köhler, Hans-Jörg Zander, Fuad Mosa, Talal Ali
  • Method for Preparing Linear Alpha-Olefins With Improved Heat Removal
    Publication number: 20090306312
    Abstract: The present invention relates to a method for preparing linear alpha-olefins by oligomerizing of ethylene in the presence of a first organic solvent and a homogenous catalyst in a reactor, characterized in that the reactor overhead is cooled by means of a refrigerant.
    Type: Application
    Filed: June 13, 2006
    Publication date: December 10, 2009
    Inventors: Peter Fritz, Heinz Bölt, Karl-Heinz Hoffman, Markus Köhler, Hans-Jörg Zander, Fuad Mosa, Talal Ali
  • Method for Preparing Linear Alpha-Olefins
    Publication number: 20090216057
    Abstract: The present invention relates to a method for preparing linear alpha-olefins by oligomerizing of ethylene in the presence of an organic solvent and a homogenous catalyst, characterized in that the method is carried out in a reactor being fed with a gaseous feed comprising a minor amount of ethylene and a major amount of an inert gas.
    Type: Application
    Filed: June 13, 2006
    Publication date: August 27, 2009
    Applicants: SAUDI BASIC INDUSTRIES CORPORATION, LINDE AG
    Inventors: Peter Fritz, Heinz Bölt, Karl-Heinz Hoffman, Markus Köhler, Hans-Jörg Zander, Fuad Mosa, Talal Ali