Patents by Inventor Ivan A. Strauven

Ivan A. Strauven 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).

  • Zinc alloys for electrochemical battery cans
    Patent number: 4952368
    Abstract: The alloys contain, besides zinc and unavoidable impurities,0.05-0.8% of Pb andeither 0.005.1% of Al and 0.0005-0.1% REM, REM being a rare earth metal or a mixture of rare earth metals, or0.005-1% of Mn or0.005-1.5% of a mixture of Al, REM and Mn.These alloys have a higher mechanical strength and a better resistance to corrosion than the known alloys with Pb-Cd or Pb.
    Type: Grant
    Filed: September 22, 1989
    Date of Patent: August 28, 1990
    Assignee: Metallurgie Hoboken-Overpelt
    Inventors: Andre Skenazi, Ivan A. Strauven, Michel L. Cauwe
  • Zinc powder for alkaline batteries
    Patent number: 4920020
    Abstract: A zinc base powder for alkaline batteries consists of 0.05 to 3% of mercury, 0.003 to 0.2% of bismuth, 0.01 to 0.08% of lead, the rest being zinc. This powder has an excellent resistance to corrosion in alkaline medium.
    Type: Grant
    Filed: January 4, 1989
    Date of Patent: April 24, 1990
    Assignee: Metallurgie Hoboken-Overpelt
    Inventors: Ivan A. Strauven, Marcel L. Meeus