Cigarette filter containing microcapsules

Details Cigarette filter containing microcapsules Cigarette filter containing microcapsules

A - Human Necessities

24

D

A24D 3/06 (2006.01) A24D 3/00 (2006.01) A24D 3/14 (2006.01)

Patent

CA 2239494

A tobacco smoke filter comprising a porous substrate having a humectant, such as sodium pyroglutamate, dispersed therein to absorb moisture from the tobacco smoke thereby wet-filtering the tobacco smoke. Also, a tobacco smoke filter comprising a porous substrate having microcapsules dispersed therein. The microcapsules comprise a humectant such as sodium pyroglutamate. The microcapsules further preferably comprise one or more of methylcellulose, chlorophyllin and at least one vegetable oil.

La présente invention concerne un filtre pour fumée de tabac, qui comprend un support poreux dans lequel est dispersée un humectant tel que le pyroglutamate de sodium, servant à absorber l'humidité de la fumée de tabac, lui faisant ainsi subir une filtration humide. L'invention concerne aussi un filtre pour fumée de tabac comprenant un support poreux dans lequel sont dispersées des microcapsules contenant un humectant tel que le pyroglutamate de sodium. De préférence, ces microcapsules contiennent en outre une ou plusieurs substances parmi les suivantes: méthylcellulose, chlorophylline et au moins une huile végétale.

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