Air freshening device

Details Air freshening device Air freshening device

A - Human Necessities

61

L

A61L 9/12 (2006.01) A61L 9/04 (2006.01)

Patent

CA 2512408

A device for perfuming, deodorising or sanitising air or enclosed spaces which comprises: a. an anhydrous gel element formed by cross-linking a functionalised liquid polymer with a crosslinking agent in the presence of a non-aqueous perfume, deodorising or sanitising base; and b. separate timing means for proving an end-of-life indication.

L'invention concerne un dispositif permettant de parfumer, de désodoriser ou de désinfecter l'air ou des espaces clos. Ledit dispositif comprend: a. un élément de gel anhydre formé par réticulation d'un polymère liquide fonctionnalisé avec un agent de réticulation en présence d'une base parfumante, désodorisante ou désinfectante non aqueuse; et b. un moyen de chronométrage séparé permettant de fournir une indication de fin de vie.

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