Amino acid free stable aluminum/zirconium antiperspirant solution
US7144571B2 · kind B2 · utility
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Key dates
| Filing date | Mar 22, 2005 |
| Grant date | Dec 5, 2006 |
| Priority date | — |
| Expiry date | May 26, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q15/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An amino acid free stable aluminum zirconium polyhydric alcohol aqueous solution having a high anhydrous antiperspirant solid concentration and a high percentage of low molecular weight aluminum species, i.e., containing 60% or more of band IV peak area based on high pressure liquid chromatography, is prepared by adding a zirconium salt to an aqueous polyhydric alcohol solution of a basic aluminum chloride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.