Patents by Inventor Sandor Hargitai

Sandor Hargitai 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).

  • Additive to improve the properties of building materials
    Patent number: 5039344
    Abstract: There is described an additive composition for improving the properties of building materials, the composition comprising hydrochloric acid, aluminum, lime milk, ammonia, and oil in varying amounts and which when mixed with concrete or mortar mix provides a building material having improved properties. A process for making the additive and also for utilizing the same with concrete or mortar mix is also disclosed.
    Type: Grant
    Filed: May 4, 1989
    Date of Patent: August 13, 1991
    Assignee: Sam Mozes
    Inventors: Janos Bodis, Laszlo Voros, Sandor Hargitai