Patents Assigned to Applied Polymer Systems
  • High concentration acid resistant coatings
    Patent number: 5106910
    Abstract: Improved polyamide-based compositions are provided which are particularly formulated for plasma-spray application to surfaces subjected to acidic conditions. The compositions include respective amounts of polyvinylidene fluoride, a polyamide (e.g., Nylon 11) and a compatable adhesive such as a nylon terpolymer adhesive.
    Type: Grant
    Filed: November 9, 1989
    Date of Patent: April 21, 1992
    Assignee: Applied Polymer Systems
    Inventors: Larry G. Weidman, Alma L. Coats