Basic aluminum and aluminum/zirconium antiperspirants and method

Details Basic aluminum and aluminum/zirconium antiperspirants and method Basic aluminum and aluminum/zirconium antiperspirants and method

1996-04-19

1998-02-17

Dodson, Shelley A.

Chemistry of inorganic compounds

Halogen or compound thereof

424 65, 424 66, 424 68, C01B 700, A61K 738, A61K 734

Patent

active

057188769

ABSTRACT:
Basic aluminum halides and nitrates having enhanced antiperspirant efficacy are produced by reacting (a) aluminum powder, (b) an aluminum halide or nitrate solution and (c) water at a temperature greater than about 85.degree. C. This reaction is maintained until reaction products having an Al:anion ratio of about 1.2 to 1.8 and a solution solids concentration of about 30-40 wt. % on an anhydrous basis are obtained. The products are characterized as having a Size Exclusion Chromatography Test Band having a relative retention time corresponding to Band II of a Standard Basic Aluminum Chloride Size Exclusion Chromatogram and a Band II percent aluminum value of at least about 50% and a Band III percent aluminum value of less than 20%.

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