A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 8/44 (2006.01) A61K 8/26 (2006.01) A61K 8/28 (2006.01) A61K 8/36 (2006.01) A61K 8/362 (2006.01) A61K 8/365 (2006.01) A61Q 15/00 (2006.01)
Patent
CA 2611675
Disclosed is a solid particulate antiperspirant salt comprising a mixture (or complex) of an enhanced efficacy aluminum-zirconium chlorohydrex-amino acid and a neutralizing salt. The particulate antiperspirant salt, when measured as an aqueous solution at a concentration of 15% by weight at 25~C, has a pH greater than 4.5, preferably about 4.6 to about 5.3. Also disclosed is a topical antiperspirant composition comprising the aforementioned particulate antiperspirant salt and a method of reducing perspiration from human skin by applying the aforementioned antiperspirant composition. In addition, there is disclosed a method of preparing the aforementioned particulate antiperspirant salt.
La présente invention concerne un sel antitranspirant particulaire solide comprenant un mélange ou un complexe entre un acide chlorohydrex-aminé d'aluminum-zirconium à efficacité renforcée et un sel neutralisant. Le pH de ce sel antitranspirant particulaire dans une solution aqueuse de 15% massique à 25°C est supérieur à 4.5, et de préférence, dans une plage d'environ 4.6 à 5.3. L'invention concerne également une composition antitranspirante topique comprenant le sel antitranspirant particulaire mentionné, et un procédé pour réduire la transpiration de la peau humaine par application de ladite composition. L'invention concerne en outre un procédé d'élaboration du sel de l'invention.
Oryszczak Richard
Provancal Stephen J.
Shen Yanfei
Gowling Lafleur Henderson Llp
The Gillette Company
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