Charged pills

日期:2019-03-07 10:03:04 作者:虎述 阅读:

By Barry Fox Pharmaceuticals companies could colour pills using a technology similar to that of photocopiers, says Colorcon of Dartford, Kent (GB 2 336 551). Conventional coating using coloured sugar involves the use of liquids. Colorcon lodges the raw pills in insulated pits in the surface of a drum. As this rotates, an electrostatic spray gun blasts the pills with a charged mist of polyethylene glycol. The charged pills then attract coloured sugar powder from a tray, like toner in a photocopier. As the drum rotates past a heated bar,