Patents by Inventor Jan Damgaard

Jan Damgaard 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).

  • Roofing membrane comprising microspheres
    Publication number: 20090056261
    Abstract: A foam suitable for use in roofing systems is provided. Roofing membranes comprising the foam have superior flowing properties at high temperatures without sacrificing low temperature performance. A particular useful roofing membrane comprises an upper surface layer, a reinforcement layer, and optionally a lower self-adhesive layer, wherein expanded microspheres are provided in one or more of said layers in an amount of between 0.01 and 10% based on the total weight of the roofing membrane. Moreover a method of making roofing membranes is provided.
    Type: Application
    Filed: November 9, 2005
    Publication date: March 5, 2009
    Applicant: Icopal A/S
    Inventor: Jan Damgaard