Patents by Inventor Annika Halwe-Bommelmann

Annika Halwe-Bommelmann 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).

  • Rigid foam envelopment of the connections of pipes
    Patent number: 9476539
    Abstract: The invention relates to the envelopment of a connection of at least two pipes or parts thereof by an open-celled rigid foam, the production of such an envelope and also the use of open-celled rigid foam for protecting connections of two pipes.
    Type: Grant
    Filed: January 14, 2011
    Date of Patent: October 25, 2016
    Assignee: BASF SE
    Inventors: Christof Grieser-Schmitz, Peter Huntemann, Annika Halwe-Bommelmann, Wilhelm Lindemann
  • PRODUCING FOAMS HAVING IMPROVED PROPERTIES
    Publication number: 20140010981
    Abstract: The present invention relates to a composition for producing a rigid polyurethane foam comprising at least one polyol having a molecular weight of not less than 1700 g/mol and at least one blowing agent as component A, and at least one polyisocyanate as component B, wherein the at least one polyisocyanate B comprises from 11 to 39.5 wt % of a polyisocyanate prepolymer, based on a polyether polyol having an OH number of at least 100 mg KOH/g, to a rigid polyurethane foam obtainable by reacting this composition, to a process for producing such a rigid polyurethane foam, to the use of such a rigid polyurethane foam for insulation, especially for pipe insulation and also to a process for producing an insulated pipe.
    Type: Application
    Filed: June 21, 2013
    Publication date: January 9, 2014
    Applicant: BASF SE
    Inventors: Christof GRIESER-SCHMITZ, Gianpaolo Tomasi, Ludwig Windeler, Alex Popov, Carsten Ellersiek, Annika Halwe-Bommelmann
  • PROCESS FOR PRODUCING INSULATED PIPES HAVING IMPROVED PROPERTIES
    Publication number: 20130048137
    Abstract: The present invention relates to a process for producing insulated pipes, the use of a polyurethane system comprising an isocyanate component (a), a polyol mixture (b) and at least one catalyst for producing insulated pipes, wherein the cream time for the polyurethane system is less than the time for introduction of the polyurethane system into the pipe, the use of specific amines as catalyst in a polyurethane system for producing insulated pipes and also an insulated pipe which can be obtained by the process of the invention.
    Type: Application
    Filed: August 29, 2012
    Publication date: February 28, 2013
    Applicant: BASF SE
    Inventors: Christof GRIESER-SCHMITZ, Gianpaolo Tomasi, Ludwig Windeler, Alex Popov, Carsten Ellersiek, Annika Halwe-Bommelmann
  • RIGID FOAM ENVELOPMENT OF THE CONNECTIONS OF PIPES
    Publication number: 20110175346
    Abstract: The invention relates to the envelopment of a connection of at least two pipes or parts thereof by an open-celled rigid foam, the production of such an envelope and also the use of open-celled rigid foam for protecting connections of two pipes.
    Type: Application
    Filed: January 14, 2011
    Publication date: July 21, 2011
    Applicant: BASF SE
    Inventors: Christof GRIESER-SCHMITZ, Peter Huntemann, Annika Halwe-Bommelmann, Wilhelm Lindemann