Patents by Inventor Relja Tomic

Relja Tomic 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).

  • Method for the production of mineral wool, especially for use in basic milieu
    Patent number: 4153439
    Abstract: A method of producing alkali-resistant mineral wool. The starting material is melted and formed into fibers and the fibers are cooled and collected. The raw material has the following composition:______________________________________ SiO.sub.2 40-60 wt. % Al.sub.2 O.sub.3 1-15 wt. % CaO 1-6 wt. % MgO 30-45 wt. % Iron oxides 1-8 wt. % Alkali oxides maximum 2 wt. % Other oxides maximum 2 wt. %. ______________________________________The raw material preferably includes olivine.
    Type: Grant
    Filed: June 7, 1977
    Date of Patent: May 8, 1979
    Assignee: Rockwool Aktiebolaget
    Inventors: Relja Tomic, Ulf Aberg, Elis Karlsson