CHENNAI: Bilcare, a leading pharma major in the drug discovery to market value chain, has won a patent in the U.S. for its pharmaceutical grade metalised thermo-formable (a plastic in which cavities can be made) composite films. This innovative packaging material will address multiple concerns and limitations of the pharmaceutical products in the market such as anti-counterfeit and anti-pass off. The unique products under this range are Patina, Ultra and Ultra TX, according to a release.