Patents by Inventor Dirk Calmer

Dirk Calmer 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).

  • Publication number: 20230323514
    Abstract: An aluminium alloy foil with a thickness of maximum 12 ?m, maximum 9 ?m or less than 8 ?m. The aluminium alloy foil is an AA1xxx or A8xxx aluminium alloy in the annealed state. In addition, a method for manufacturing an aluminium alloy foil and its use. The object of proposing an aluminium alloy foil with improved barrier properties, a method for its manufacture and a use of the aluminium alloy foil is achieved in that the aluminium alloy foil has a maximum number of pores with a pore size of 1 ?m to 200 ?m of maximum 12 per dm2, maximum 8 per dm2 or maximum 6 per dm2. In addition, a method is specified for how this aluminium alloy foil can be manufactured.
    Type: Application
    Filed: June 13, 2023
    Publication date: October 12, 2023
    Applicant: Speira GmbH
    Inventors: Galyna Laptyeva, Michael Eberhard, Jan Simmer, Michael Wimmer, Günter Schubert, Dirk Calmer, Stefan Holz