The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 24, 2006
Filed:
Dec. 22, 2002
Simon Hurry, Ascot, GB;
Jonathan L. Williams, London, GB;
Simon Hurry, Ascot, GB;
Jonathan L. Williams, London, GB;
Firmenich SA, Geneva, CH;
Abstract
The present invention is drawn to a device for perfuming ambient air or closed spaces.An active volatile substance, like a perfume, an insect repellent or a deodorizing or sanitizing agent, is evaporated from a device.Thesaiddevice comprises water or an appropriate hydrophilic solvent containingsaid volatiletheactiveingredient and an absorbing material chosen from superabsorbents, starch based systems, chemically modified cellulose and natural gum andvolatile substance and a superabsorbent substancewhichareiscapable of forming a gel with water orsaidthehydrophilic solvent, both components being adapted to be mixed with each other in order to achieve the diffusion ofsaidthe activevolatileingredientsubstancefrom thesaidgel. The components are mixed with each other to formsaidthegel from which theperfume or a deodorizing or sanitizing agent, or an insect repellent,active volatile substancediffuses uniformly and over a prolonged period of time into the surrounding air.