A sprayable liquid coating composition, particularly for application to foodstuffs and pharmaceuticals, utilizes gaseous carbon dioxide to reduce the viscosity of a concentrated solution comprising an edible polymer and a solvent, such as ethyl alcohol or isopropyl alcohol. The addition of the gaseous...http://www.google.com.au/patents/US6723363?utm_source=gb-gplus-sharePatent US6723363 - Coating foods and pharmaceuticals with an edible polymer using carbon dioxide