Patents by Inventor Eva Hidvegy

Eva Hidvegy 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).

  • Priming and body paint having an active anti-corrosive and surface cleaning effect
    Patent number: 4828617
    Abstract: The present invention relates to a priming or body paint having active anti-corrosive and surface cleaning effect containing binding material, pigment and optionally solvent, filler and/or additives, characterized in that said pigment, optionally in addition to other known pigments, comprises:(a) 30-70% parts by weight, preferably 40-55% by weight of alumina hydrate (Al/OH/.sub.3),(b) 20-55% by weight of at least of one of atoxic oxides, hydroxides, oxide hydroxides, carbonates or phosphates of amphoteric elements or metals of variable valency possessing less valency than the maximum, in case of aluminum the oxide or hydroxide thereof,(c) 0-50% by weight, preferably 2-15% by weight of calcium and/or magnesium carbonate,and the grain size thereof is <20 .mu.m, preferably 2-10 .mu.m.
    Type: Grant
    Filed: January 8, 1987
    Date of Patent: May 9, 1989
    Assignee: Magyar Aluminiumipari Troszt
    Inventors: Zsolt Csillag, Tibor Kalman, Laszlo Zsembery, Geza Szentgyorgyi, Gyorgy Keebe, Eva Hidvegy, Karoly Solymar