Rhone-Poulenc Sante

Torres Ghislaine

Porte Hugues

An apparatus is provided for continuous and regular liberation of active constituents into domestic water supplies. The apparatus comprises a receptacle having a body portion which is impermeable to water and to the active constituent. The receptacle is provided with an aperture closed by a membrane which is permeable to water and to the active constituent. An operculum surrounds the membrane to secure the membrane to the receptacle. The active constituent is provided into the receptacle and is released through the membrane in a controlled manner over an extended period of time. Preferably, the membrane has a mean pore diameter greater than 0.05 microns.

Growing community of inventors

Lyons, France

Torres Ghislaine