Patents by Inventor Luc Demaegd

Luc Demaegd 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).

  • Additive-free, fast precipitating palladium electrolyte bath and process
    Patent number: 4451336
    Abstract: An additive-free, fast-precipitating electrolyte bath for precipitating lustrous, crack-free palladium layers on workpieces is formulated, by successively adding to distilled water heated up to about 90.degree. C., phosphoric acid, sufficient ammonia to neutralize the phosphoric acid and palladium, in the form of palladium chloride. After dissolution of the palladium salt, the operating pH value is adjusted by additions of ammonia or phosphoric acid as required and the volume of the bath can be increased as desired by additions of further distilled water. The bath can be filtered prior to use.
    Type: Grant
    Filed: November 19, 1982
    Date of Patent: May 29, 1984
    Assignee: Siemens Aktiengesellschaft
    Inventors: Frank Vangaever, Jacky Vanhumbeeck, Laurent Danneels, Luc Boone, Luc Demaegd