Patent 7263282 was granted and assigned to Reckitt Benckiser on August, 2007 by the United States Patent and Trademark Office.
An electrically heated apparatus for dispensing fragrancing materials and other volatile substances to an enclosed volume comprising a container containing a quantity of a volatile substance, heating means, transfer means for transferring said volatile substance towards said heating means and a portable power supply for energizing said heating means, characterized in that said heating means comprises a flexible thin film heater.