Patents by Inventor Hans-Guenter Bohrman

Hans-Guenter Bohrman 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).

  • Patent number: 6914118
    Abstract: A polyurethane having at least one anionic anchor group L, the anchor group L being covalently bonded to a polyether segment having at least one nitrogen atom in the polyurethane.
    Type: Grant
    Filed: October 9, 2001
    Date of Patent: July 5, 2005
    Assignee: Imation Corp.
    Inventors: Ulrike Hees, Hans-Guenter Bohrman, Benedikt Raether, Ria Kress, Albert Kohl
  • Publication number: 20040127675
    Abstract: A polyurethane having at least one anionic anchor group L, the anchor group L being covalently bonded to a polyether segment having at least one nitrogen atom in the polyurethane.
    Type: Application
    Filed: August 21, 2003
    Publication date: July 1, 2004
    Inventors: Ulrike Hees, Hans-Guenter Bohrman, Benedikt Raether, Ria Kress, Albert Kohl