Patents by Inventor Bernd Hoffend

Bernd Hoffend 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).

  • Method and device for producing segmented contact adhesive layers and for applying the same on a substrate
    Patent number: 6527897
    Abstract: The invention relates to a process and a device for manufacturing segmented pressure-sensitive adhesive layers and applying the same to a substrate, involving the use of a reaction medium containing radiation-inducible polymers and/or prepolymers of olefinically unsaturated compounds and the addition of a photoinitiator.
    Type: Grant
    Filed: November 6, 2000
    Date of Patent: March 4, 2003
    Assignee: Lohmann GmbH & Co. KG
    Inventors: Günther Ecker, Bernd Hoffend, Fritz Herrmann, Ralf Nittenwilm