Anhydrous dentifrice composition
US5670137A · kind A · utility
20Cited by
12References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 12, 1994 |
| Grant date | Sep 23, 1997 |
| Priority date | — |
| Expiry date | Dec 12, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/413
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention concerns a dentifrice composition containing, in an anhydrous medium which comprises glycerin, at least one hydroxyethylcellulose having at least one hydrophobic chain, and at least one pyrogenetic silica with an average primary particle size of less than 40 nm; as well as its use in bucco-dental hygiene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.