SKIN EXTERNAL PREPARATION COMPOSITION CONTAINING FINE NEEDLE INCLUDING POLYMERIC USEFUL INGREDIENT
Provided is a novel means for delivering a useful ingredient into the skin. Specifically provided are: a skin external preparation composition characterized by containing composite fine needle-like crystals having a configuration such that a polymeric useful ingredient is included in crystals of a b...
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Format | Patent |
Language | English French Japanese |
Published |
03.10.2024
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Abstract | Provided is a novel means for delivering a useful ingredient into the skin. Specifically provided are: a skin external preparation composition characterized by containing composite fine needle-like crystals having a configuration such that a polymeric useful ingredient is included in crystals of a biosoluble substance; and a method for producing composite fine needle-like taurine crystals each having a polymeric useful ingredient included therein, the method being characterized by comprising a step for making crystals to grow under an environment where an aqueous solution (A) in which taurine, that is a biosoluble substance, is dissolved is mixed with or brought into contact with a liquid substance (B) having poor taurine solubility, wherein the polymeric useful ingredient is dissolved or dispersed in the aqueous solution (A) or the liquid substance (B), whereby the polymeric useful ingredient is included in the crystals as the crystals grow.
L'invention concerne un nouveau moyen d'administration d'un composant utile dans la peau. L'invention concerne spécifiquement : une composition de préparation externe pour la peau, caractérisée en ce qu'elle contient des cristaux composites de type aiguille fine présentant une configuration telle qu'un ingrédient utile polymère est inclus dans des cristaux d'une substance biosoluble ; et un procédé de production de cristaux composites de taurine de type aiguille fine comportant chacun un ingrédient utile polymère, le procédé étant caractérisé en ce qu'il comprend une étape de croissance de cristaux dans un environnement où une solution aqueuse (A), dans laquelle est dissoute de la taurine, qui est une substance biosoluble, est mélangée avec ou mise en contact avec une substance liquide (B) ayant une faible solubilité de taurine, l'ingrédient utile polymère étant dissous ou dispersé dans la solution aqueuse (A) ou la substance liquide (B), l'ingrédient utile polymère étant inclus dans les cristaux à mesure que les cristaux croissent.
有用成分の皮内への新たな送達手段を提供する。 生体可溶性物質の結晶中に高分子有用成分を包含する複合微細針状結晶を含有することを特徴とする皮膚外用剤組成物;生体可溶性物質であるタウリンが溶解した水溶液(A)を、タウリンの溶解性の低い液体物質(B)に混合、又は接触させた環境下で結晶成長させる工程を含み、ここで、該水溶液(A)中又は該液体物質(B)中に高分子有用成分が溶解又は分散していることにより、該高分子有用成分は、結晶成長に伴って該結晶に包含されることを特徴とする、結晶中に高分子有用成分を包含するタウリンの複合微細針状結晶の製造方法。 |
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AbstractList | Provided is a novel means for delivering a useful ingredient into the skin. Specifically provided are: a skin external preparation composition characterized by containing composite fine needle-like crystals having a configuration such that a polymeric useful ingredient is included in crystals of a biosoluble substance; and a method for producing composite fine needle-like taurine crystals each having a polymeric useful ingredient included therein, the method being characterized by comprising a step for making crystals to grow under an environment where an aqueous solution (A) in which taurine, that is a biosoluble substance, is dissolved is mixed with or brought into contact with a liquid substance (B) having poor taurine solubility, wherein the polymeric useful ingredient is dissolved or dispersed in the aqueous solution (A) or the liquid substance (B), whereby the polymeric useful ingredient is included in the crystals as the crystals grow.
L'invention concerne un nouveau moyen d'administration d'un composant utile dans la peau. L'invention concerne spécifiquement : une composition de préparation externe pour la peau, caractérisée en ce qu'elle contient des cristaux composites de type aiguille fine présentant une configuration telle qu'un ingrédient utile polymère est inclus dans des cristaux d'une substance biosoluble ; et un procédé de production de cristaux composites de taurine de type aiguille fine comportant chacun un ingrédient utile polymère, le procédé étant caractérisé en ce qu'il comprend une étape de croissance de cristaux dans un environnement où une solution aqueuse (A), dans laquelle est dissoute de la taurine, qui est une substance biosoluble, est mélangée avec ou mise en contact avec une substance liquide (B) ayant une faible solubilité de taurine, l'ingrédient utile polymère étant dissous ou dispersé dans la solution aqueuse (A) ou la substance liquide (B), l'ingrédient utile polymère étant inclus dans les cristaux à mesure que les cristaux croissent.
有用成分の皮内への新たな送達手段を提供する。 生体可溶性物質の結晶中に高分子有用成分を包含する複合微細針状結晶を含有することを特徴とする皮膚外用剤組成物;生体可溶性物質であるタウリンが溶解した水溶液(A)を、タウリンの溶解性の低い液体物質(B)に混合、又は接触させた環境下で結晶成長させる工程を含み、ここで、該水溶液(A)中又は該液体物質(B)中に高分子有用成分が溶解又は分散していることにより、該高分子有用成分は、結晶成長に伴って該結晶に包含されることを特徴とする、結晶中に高分子有用成分を包含するタウリンの複合微細針状結晶の製造方法。 |
Author | TANAKA, Hiroshi QUAN, Ying-shu KAMIYAMA, Fumio MURAYAMA, Tomohiro |
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DocumentTitleAlternate | 高分子有用成分包含微細針を含有した皮膚外用剤組成物 COMPOSITION DE PRÉPARATION EXTERNE POUR LA PEAU CONTENANT UNE AIGUILLE FINE COMPRENANT UN INGRÉDIENT UTILE POLYMÈRE |
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Snippet | Provided is a novel means for delivering a useful ingredient into the skin. Specifically provided are: a skin external preparation composition characterized by... |
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Title | SKIN EXTERNAL PREPARATION COMPOSITION CONTAINING FINE NEEDLE INCLUDING POLYMERIC USEFUL INGREDIENT |
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