A container for a volatile liquid in a liquid dispensing device comprises a body and a neck extending from the body to define an opening. A retention structure is integral with the container body and is adapted to be releasably engaged with two opposing sidewalls of a housing of the dispensing device....http://www.google.de/patents/US8157188?utm_source=gb-gplus-sharePatent US8157188 - Container for a device for dispensing a volatile liquid