Antiperspirant activity of basic aluminum compounds
US4359456A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 5, 1980 |
| Grant date | Nov 16, 1982 |
| Priority date | — |
| Expiry date | Dec 5, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01F7/66
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An improved antiperspirant active material, and methods for its preparation, identification and use as well as cosmetic compositions containing said material are disclosed. Said material comprises a polymeric aluminum compound having the empirical formula EQU Al.sub.2 (OH).sub.6-a X.sub.a where X is Cl, Br or I, a is about 0.3 to about 4; wherein said antiperspirant active material is further characterized by: PA1 (a) a Size Exclusion Chromatography Test band having a relative retention time corresponding to Band III of the Standard Basic Aluminum Chloride Solution Size Exclusion Chromatogram; and PA1 (b) a Band III Percent Aluminum Value of at least 20 percent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.