Patents by Inventor Andre Rasquin

Andre Rasquin 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).

  • Patent number: 4609529
    Abstract: The ductility and/or tensile strength of certain zinc-based alloys (25 to 40 wt. % aluminum, 0.5 to 5 wt. % copper, and up to 0.1 wt. % magnesium) are improved when various elements are added. A first series of improved alloys is comprised of boron (between 5 ppm and 0.1 wt. %), possibly along with titanium (25 ppm to 0.5 wt. %), or possibly along with zirconium and/or strontium (up to 0.1 wt. %), and titanium (up to 0.1 wt. %). A second series of improved alloys is comprised of rare earths, principally lanthanum and/or cerium, in a total amount between 5 ppm and 0.1 wt. %.
    Type: Grant
    Filed: October 11, 1984
    Date of Patent: September 2, 1986
    Assignee: Centre de Recherches Metallurgiques
    Inventors: Andre Skenazi, Dimitri Coutsouradis, Andre Rasquin