Patents by Inventor Ioan Gross

Ioan Gross 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).

  • Coating for filler material used in a hardenable material
    Patent number: 5165997
    Abstract: In a two-component system for a hardenable material, quartz grains (1) serve as a filler material and are coated with benzoyl peroxide which forms the hardener component of the system. The benzoyl-peroxide coated quartz grains are enclosed in a protective layer of pyrogenic silicic acid. As a result, the flotation capability of the quartz granules is maintained.
    Type: Grant
    Filed: March 16, 1990
    Date of Patent: November 24, 1992
    Assignee: Hilit Aktiengesellschaft
    Inventors: Ioan Gross, Hans-Jurgen Irmscher