Quote: Teflon is actually DuPont's trademarked name for Tetrafluoroeth... Quote: Teflon is actually DuPont's trademarked name for Tetrafluoroethylene which is found most commonly in non-stick cookware. Polytetraflouethylene (PTFE) is not only found in the fumes of Teflon products, but other brands of product as well.