Patents by Inventor Marcel Laszlo

Marcel Laszlo 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).

  • Process for removing heavy metals from fluid media
    Patent number: 4060410
    Abstract: A process in which metal foil is introduced into a fluid containing one or more heavy metals, so that one part of the surface of the foil is in contact with the fluid and another part thereof is in contact with air and that an activator in the form of a solution of a complex compound, preferably based on the metal comprising the foil, preferably an NaAl complex, is brought into contact with the foil and the fluid whereby the metal or metals precipitate and after precipitation are separated from the fluid in a way known per se.
    Type: Grant
    Filed: July 6, 1976
    Date of Patent: November 29, 1977
    Inventor: Marcel Laszlo