Patents by Inventor Fritz Kilthau

Fritz Kilthau 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).

  • Desiccant based on clay-bound zeolite, process for its preparation and its use
    Patent number: 7563739
    Abstract: The invention relates to a desiccant based on clay-bound zeolite which is characterized in that it comprises hygroscopic salt and optionally further conventional additives. Preferably, it is present in the form of granules, the hygroscopic salt being arranged in the pores of the granular particles. Furthermore the invention relates to a process for the preparation of the desiccant as well as its use, in particular in insulating glass windows and spacers for insulating glass windows.
    Type: Grant
    Filed: August 20, 2002
    Date of Patent: July 21, 2009
    Assignee: Grace GmbH & Co. KG.
    Inventors: Fritz Kilthau, Thomas E. W. Niessen, Heide Wetzel
  • Dessicant based on clay-bound zeolite process for its preparation and its use
    Publication number: 20050107243
    Abstract: The invention relates to a desiccant based on clay-bound zeolite which is characterized in that it comprises hygroscopic salt and optionally further conventional additives. Preferably, it is present in the form of granules, the hygroscopic salt being arranged in the pores of the granular particles. Furthermore the invention relates to a process for the preparation of the desiccant as well as its use, in particular in insulating glass windows and spacers for insulating glass windows.
    Type: Application
    Filed: August 20, 2002
    Publication date: May 19, 2005
    Inventors: Fritz Kilthau, Thomas Niessen, Heide Wetzel