A solid functional material comprises a functional agent such as a cleaning composition, a sanitizing agent, where a rinse agent, etc. in a solid block format. The solid block is formed by a binding agent that forms the active ingredients into a solid block. The binding agent comprises a phosphonate...http://www.google.es/patents/US7341987?utm_source=gb-gplus-sharePatente US7341987 - Binding agent for solid block functional material
