Patents by Inventor Pavel Stok

Pavel Stok 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).

  • MULTI-LAYER OF DECORATIVE FACETED FASHION JEWELLERY STONES FOR TECHNICAL USE
    Publication number: 20220061479
    Abstract: A final layer of a multi-layer of thin deposit and lacquer layers of a decorative faceted functional stone formed by 10 to 35% of nano/colloidal silica, optionally nano/colloidal alumina, 30 to 50% of encapsulated aluminium flakes in grain size of 15-80 ?m, 2 to 10% of Fe3O4 in grain size of 3-50 ?m, and 10 to 40% of polyisocyanate-hardened mixture of epoxy and polyether resin, and a method for increasing the opacity and hardness of a multi-layer of thin deposit and lacquer layers of a decorative faceted functional stone by applying this final layer.
    Type: Application
    Filed: August 25, 2021
    Publication date: March 3, 2022
    Applicant: Preciosa, a.s.
    Inventors: Pavel Stok, Pavel Zadrazil, Petr Franc, Martin Novotny, Stana Starà