Liquid stick antiperspirant
US7270806B2 · kind B2 · utility
3Cited by
4References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 27, 2004 |
| Grant date | Sep 18, 2007 |
| Priority date | — |
| Expiry date | Dec 16, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/28
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
One embodiment of the invention described herein includes a method for improving stability of an antiperspirant. The method includes preparing a blend that comprises propylene glycol and dibenzylidene sorbitol; adding an antiperspirant active solid powder to the blend, to make an antiperspirant blend, in a concentration effective for making an antiperspirant that provides antiperspirant protection to a user and improves process stability of the antiperspirant; and adding an amino acid salt to the antiperspirant blend in a concentration effective for stabilizing the dibenzylidene sorbitol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.