Patents by Inventor Edward Henry Davies

Edward Henry Davies 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).

  • Treated glass polyalkenoate cement
    Patent number: 6043296
    Abstract: Glass polyalkenoate (glass ionomer) cements are used formed into dental crowns, despite their reputedly inadequate toughness, strength and wear-resistance early after forming for such an application, by heating the newly formed glass ionomer crown under a relative humidity of 100% in a bomb under silicone oil at 120-200.degree. C. for an hour.
    Type: Grant
    Filed: August 28, 1998
    Date of Patent: March 28, 2000
    Assignee: BTG International Limited
    Inventors: Edward Henry Davies, Bipin Chandra Muljibhai Patel, Gavin John Pearson, Alan Donald Wilson