Dental floss
AssigneeColgate-Palmolive Company
InventorsJohn P. Curtis, Jan-Joost Pabst, James H. Kemp
Life of this patent
Estimating the term…
Abstract
Porous, high strength (that is, "Expanded") polytetrafluoroethylene (PTFE) dental floss is coated with microcrystalline wax. If desired, the floss may also incorporate one or more actives tartar control anti-caries antiplaque and/or antibacterial actives and/or dentally acceptable agents such as polishing and abrasive agents, coolants, flavorants and/or coagulants.
Claims9
A dental cleaning floss wherein said floss is comprised of expanded polytetrafluoroethylene having a tensile strength of at least 68,950 kPa, or polymeric matrix strength of at least 689,000 kPa and a coefficient of friction of at least about 0.08, said coefficient of friction having been increased from untreated polytetrafluoroethylene by having adhered to the surface of said polytetrafluoroethylene a microcrystalline wax having a molecular weight of about 580 to 800.
Dependencies are inferred from the claim text.