Patents by Inventor Wolfgang Puin

Wolfgang Puin 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).

  • Cathode additive for alkaline primary cells
    Patent number: 5919588
    Abstract: The invention relates to alkaline primary cells comprising a zinc gel as the anode material, an aqueous alkaline electrolyte, a separator and a cathode material containing manganese dioxide, wherein the cathode material comprises 0.1-5% by weight of alkali metal titanates and/or alkaline earth metal titanates.
    Type: Grant
    Filed: April 15, 1997
    Date of Patent: July 6, 1999
    Assignee: Varta Batterie Aktiengesellschaft
    Inventors: Horst-Udo Jose, Wolfgang Puin, Christoph Klaus