A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 8/28 (2006.01) A61K 8/26 (2006.01) A61Q 15/00 (2006.01) C01F 7/48 (2006.01)
Patent
CA 2308187
An enhanced antiperspirant active having improved stability and a process for preparing the enhanced antiperspirant active solution are disclosed, the process comprises blending an enhanced basic aluminum chlorohydrate antiperspirant active having a peak 4 content of at least 20 % (Component A) with a zirconium hydroxychloride neutral amino acid complex (Component B) and a conventional basic aluminum chloride (Component C), the order of addition not being critical; wherein at least 10 % by weight of the total aluminum being derived from Component A and about 90 % to 10 % of the aluminum being derived from Component C; thereby forming a stable antiperspirant active solution of enhanced efficacy, the overall concentration of reactants in solution being about 38 % to 55 % by weight.
La présente invention concerne, d'une part un agent antitranspiration stable à efficacité accrue, et d'autre part un procédé de fabrication de ce soluté stable d'agent antitranspiration à efficacité accrue. Le procédé consiste à prendre un agent antitranspiration renforcé au chlorhydrate d'aluminium basique ayant une teneur en crête 4 d'au moins 20 % (Composant A), et de le mélanger à un complexe hydrochlorure de zirconium - acide aminé neutre (Composant B) et à un chlorure d'aluminium basique conventionnel (Composant C), l'ordre d'adjonction n'étant pas critique. En l'occurrence, l'aluminium total est tiré pour 10% au moins de la masse du composant A, et pour 90 % à 10 % de la masse du composant C. On obtient ainsi un soluté stable d'agent antitranspiration à efficacité accrue, la concentration massique globale en agents réactifs dans la solution étant d'environ 38 % à 55 %.
Ayala Nelson
Giovanniello Rocco
Shah Ketan
Shen Jing
Mccarthy Tetrault Llp
Westwood Chemical Corporation
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