Patents Assigned to Caredent Limited
  • Elongate PTFE elements and articles made thereof
    Patent number: 5800823
    Abstract: An elongate PTFE (polytetrafluoroethylene) element is formed, having a PTFE matrix and containing a water soluble additive material in the form of solid particles distributed within the matrix. The PTFE elements may be twisted or untwisted tape, and a plurality of elements may be twisted together to form a fiber. Such elements or fibers may be formed into articles for use in dentistry, such as dental floss, or into medical sutures, woven filter mesh and other non-dental articles.
    Type: Grant
    Filed: December 20, 1996
    Date of Patent: September 1, 1998
    Assignee: Caredent Limited
    Inventor: Jacob Moses Blass