Patents by Inventor Maria Brink

Maria Brink 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).

  • Bioactive glasses and their use
    Patent number: 6054400
    Abstract: The invention relates to a bioactive glass having a suitable working range for glass processing. Said bioactive glass comprises oxides of silicon, phosphorus, alkalis, alkaline earths and optionally other elements such as boron. According to the invention said oxides are present in the following amounts: SiO.sub.2 53-60 wt. %; Na.sub.2 O 0-34 wt. %; K.sub.2 O 1-20 wt. %; MgO 0-5 wt. %; CaO 5-25 wt. %; B.sub.2 O.sub.3 0-4 wt. %; P.sub.2 O.sub.5 0.5-6 wt. %; provided that Na.sub.2 O+K.sub.2 O=16-35 wt. %; K.sub.2 O+MgO=5-20 wt. % and MgO+CaO=10-25 wt. %.
    Type: Grant
    Filed: July 11, 1997
    Date of Patent: April 25, 2000
    Inventors: Maria Brink, Kaj Karlsson, Antti Yli-Urpo