Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Deanna Lowitt0
John Edward Lewthwaite0
Simon Alexander Jackson0
Date of Patent
May 20, 2008
0Patent Application Number
104836090
Date Filed
July 12, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A dispenser for a flowable product such as liquid soap is arranged to receive a can containing the liquid soap as well as two different propellants. Gaseous nitrogen under pressure acts as a primary propellant, while propane and/or butane in a liquid phase acts to foam the soap when it is released from the can. An electronically controlled valve is actuated when a sensor detects the presence of a user's hand adjacent an outlet, and a predetermined quantity of foamed soap is then dispensed.
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