Patents by Inventor Alexandr J. Zaitsev

Alexandr J. Zaitsev 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).

  • Material for refining steel of multi-purpose application
    Patent number: 5037609
    Abstract: The claimed material for refining steel of multi-purpose application contains the following components in the following proportion, % by mass:______________________________________ aluminium 30-40 silicon 35-25 calcium 5-15 magnesium 7-5 carbon 20-10 iron the balance.
    Type: Grant
    Filed: November 9, 1990
    Date of Patent: August 6, 1991
    Inventors: Anatoly Y. Nakonechny, Alexandr J. Zaitsev, Manat Z. Tolymbekov, Jury F. Vyatkin, Vasily S. Kolpakov