Patents by Inventor Edward J. Pilcicki

Edward J. Pilcicki 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).

  • Low silver containing dental amalgam alloys
    Patent number: 4453977
    Abstract: Conventional or non-conventional dental amalgam alloys in the form of lathe-cut, spherical shaped or irregular shaped particles of silver, tin, copper and zinc are improved by adding to the alloys at least one compound selected from Cu.sub.6 Sn.sub.5, Cu.sub.3 Sn or a mixture thereof. The resulting dental alloy mixture is low in silver, is corrosion resistant, and is used as a filling for dental cavities after amalgamation with mercury.
    Type: Grant
    Filed: June 15, 1982
    Date of Patent: June 12, 1984
    Assignee: Pennwalt Corporation
    Inventors: Charles F. Burns, Edward J. Pilcicki