A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 15/46 (2006.01) A61L 15/60 (2006.01)
Patent
CA 2298008
The present invention is directed to a process for making a perfume- impregnated hydrogel-forming absorbent polymer wherein release of a perfume smell is triggered by dynamic swelling force of the polymer when the polymer is wetted, which comprises the steps of: (i) mixing a solid carrier and a perfume with reaction intermediates of hydrogel-forming absorbent polymer before the gelation point of polymerization of the hydrogel-forming absorbent polymer, (ii) forming the perfume-impregnated hydrogel-forming absorbent polymer, and (iii) drying the perfume-impregnated hydrogel-forming absorbent polymer. The present invention further relates to such perfume-impregnated hydrogel-forming absorbent polymer. The present invention further relates to a disposable absorbent article comprising such perfume-impregnated hydrogel-forming absorbent polymer.
La présente invention porte sur un procédé de fabrication d'un polymère absorbant formant un hydrogel imprégné de parfum, la libération du parfum étant déclenchée par la force de gonflement dynamique du polymère lorsque ce dernier est mouillé. Ce procédé consiste à: (i) mélanger un excipient solide avec les intermédiaires réactionnels du polymère absorbant formant l'hydrogel avant que le point de gélification de la polymérisation du polymère absorbant formant l'hydrogel ait été atteint, (ii) produire le polymère absorbant formant l'hydrogel imprégné de parfum, et (iii) le sécher. La présente invention porte également sur ce polymère absorbant formant l'hydrogel imprégné de parfum, ainsi que sur un article absorbant jetable comprenant ce polymère.
Hsueh Kesyin Fugger
Maeno Shuji
Rezai Ebrahim
Rodriguez Pedro Antonio
Shimizu Motohiro
Sim & Mcburney
The Procter & Gamble Company
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