A substantially self-contained system and corresponding method provides practical spot cleaning of soiled garments without requiring the use of chlorinated solvents. A soiled garment may optionally be pretreated with a water base, nonchlorinated cleaner. Thereafter, a relatively high level of vacuum...http://www.google.fr/patents/US5203044?utm_source=gb-gplus-shareBrevet US5203044 - Spot cleaning system and method