Patent 7500800 was granted and assigned to Reckitt Benckiser on March, 2009 by the United States Patent and Trademark Office.
A powder charging and delivery device which comprises a receptacle having a neck portion, the receptacle containing particles of a material which can be electrostatically charged and the receptacle having a reticulated, open pore, foam material disposed within the neck thereof, whereby as the particles are dispensed from the container they travel through the pores of the reticulated foam material and thereby become electrostatically charged.