Patents by Inventor Paul Kierkus

Paul Kierkus 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).

  • Initial compounds for producing polyurethanes
    Patent number: 7705106
    Abstract: The invention relates to starting compounds which can be used for the preparation of polyurethanes and can be prepared by reaction of hydroxyl-containing oligomers of formaldehyde.
    Type: Grant
    Filed: April 16, 2004
    Date of Patent: April 27, 2010
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Groer, Regina Hendreich, Paul Kierkus, Thomas Ostrowski, Eckhard Stroefer, Kai Thiele, Christoph Schnorpfeil, Edward Michael Dexheimer
  • Initial compounds for producing polyurethanes
    Publication number: 20060205915
    Abstract: The invention relates to starting compounds which can be used for the preparation of polyurethanes and can be prepared by reaction of hydroxyl-containing oligomers of formaldehyde.
    Type: Application
    Filed: April 16, 2004
    Publication date: September 14, 2006
    Applicant: BASF Aktiengesellschaft
    Inventors: Peter Groer, Regina Hendreich, Paul Kierkus, Thomas Ostrowski, Eckhard Stroefer, Kai Thiele, Christoph Schnorpfeil, Edward Dexheimer