A package for containing two automatic toilet bowl cleaners, one containing a bleaching cleaner and the other containing a detergent cleaner and a fragrance or dye susceptible to degradation by the bleaching agent, has separate pouches to separate the solids. The pouches open in concert to allow simultaneous...http://www.google.es/patents/US6112898?utm_source=gb-gplus-sharePatente US6112898 - Multiple compacted solids and packages therefor
