Patents by Inventor Ulla Tuominen

Ulla Tuominen 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).

  • Use of bioactive silicious glass and new compositions containing bioactive silicious glass
    Patent number: 5891233
    Abstract: A pharmaceutical preparation, including a glass phase which is bioactive silica containing glass in the form of a paste, suspension or solution mixed in a physiologically suitable liquid or bound to a physiologically suitable vehicle, and which preparation reduces the pulpal irritation or a tooth and/or strengthens the structure of a tooth. Bioactive silica containing glass may be a material which contains only Si-oxide or Si-hydroxide and which allows the formation and movement of Si--OH-groups. Preferably, the preparation also contains calcium and phosphate sources.
    Type: Grant
    Filed: April 2, 1997
    Date of Patent: April 6, 1999
    Assignee: Bioxid Oy
    Inventors: Jukka Salonen, Ulla Tuominen, Antti Yli-Urpo