Patents by Inventor Margarete Bloeck

Margarete Bloeck 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 foil for electrolytic capacitors
    Patent number: 5030416
    Abstract: An aluminum alloy that is suitable as material for cathode foils in electrolytic capacitors comprises0.9 to 1.7% iron0.1 to 0.8% manganesemax. 0.15% siliconmax. 0.3% copper,the remainder being aluminum with further trace elements, individually <0.05%, in total <0.15%, and the total iron and manganese content amounting to at most 1.9%.
    Type: Grant
    Filed: September 19, 1989
    Date of Patent: July 9, 1991
    Assignees: Swiss Aluminium Ltd., Swiss Aluminium Ltd.
    Inventors: Martin Werner, Margarete Bloeck, Heinz Bichsel