Patents by Inventor Steven Lippens

Steven Lippens 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 operating a mixing kneader
    Patent number: 8853333
    Abstract: The invention relates to a process for operating a mixing kneader, comprising one or more shafts on whose surfaces are disposed kneading bars and which are surrounded by a casing, comprising the following steps: (a) supplying reactants at an addition site in the mixing kneader, (b) converting the reactants in an exothermic reaction, the reaction at first forming a coherent kneadable intermediate, (c) tearing and dividing the coherent kneadable intermediate to form a product, the exothermic reaction optionally continuing during the tearing and division, (d) withdrawing the product at a withdrawal site in the mixing kneader, wherein at least one of the shafts and/or the casing is heated to a temperature above 20° C. during the operation of the mixing kneader.
    Type: Grant
    Filed: May 6, 2013
    Date of Patent: October 7, 2014
    Assignee: BASF SE
    Inventors: Oskar Stephan, Monte Peterson, Karl J. Possemiers, Steven Lippens
  • PROCESS FOR OPERATING A MIXING KNEADER
    Publication number: 20130296509
    Abstract: The invention relates to a process for operating a mixing kneader, comprising one or more shafts on whose surfaces are disposed kneading bars and which are surrounded by a casing, comprising the following steps: (a) supplying reactants at an addition site in the mixing kneader, (b) converting the reactants in an exothermic reaction, the reaction at first forming a coherent kneadable intermediate, (c) tearing and dividing the coherent kneadable intermediate to form a product, the exothermic reaction optionally continuing during the tearing and division, (d) withdrawing the product at a withdrawal site in the mixing kneader, wherein at least one of the shafts and/or the casing is heated to a temperature above 20° C. during the operation of the mixing kneader.
    Type: Application
    Filed: May 6, 2013
    Publication date: November 7, 2013
    Inventors: Oskar Stephan, Monte Peterson, Karl J. Possemiers, Steven Lippens