Doped odour controlling materials

A - Human Necessities – 61 – L

Patent

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Details

A61L 15/46 (2006.01) A61L 9/01 (2006.01) A61L 15/18 (2006.01) A61L 15/20 (2006.01)

Patent

CA 2318049

An odour controlling material is disclosed for removing or reducing odour emanating from certain gaseous or liquid compounds which material comprises an inorganic absorbent material doped with one or more dopants which are selected from the gaseous or liquid compounds and derivatives thereof. Conventional adsorbent materials such as silica, alumina, silicates and aluminosilicates can be used and a gaseous or liquid compounds are preferably selected from fatty acids and derivatives thereof, amines and ammonia and salts thereof, alcohols, aldehydes and ketones and heterocompounds. The odour control material is suitable for incorporation in an absorbent article such as a pantiliner or a sanitary napkin.

L'invention concerne une matière de régulation des odeurs, laquelle sert à enlever ou diminuer l'odeur émanant de certains composés gazeux ou liquides et comprend une matière absorbante minérale dopée au moyen d'au moins un dopant, choisi dans le groupe constitué par des composés gazeux ou liquides et des dérivés de ceux-ci. On peut utiliser des matières adsorbantes classiques, telles que la silice, l'alumine, des silicates et des aluminosilicates, les composés gazeux ou liquides étant, de préférence, choisis dans le groupe constitué par des acides gras et des dérivés de ceux-ci, des amines, de l'ammoniaque et des sels de ceux-ci, des alcools, des aldéhydes, des cétones et des hétérocomposés. La matière de régulation des odeurs est conçue pour être incorporée dans un article absorbant, tel qu'un protège-slip ou une serviette hygiénique.

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