Astringent dentifrice
US4562065A · kind A · utility
13Cited by
20References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 1984 |
| Grant date | Dec 31, 1985 |
| Priority date | — |
| Expiry date | Dec 11, 2004 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/27
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Astringent dentifrice containing a water-soluble zinc salt and a hydrous silica gel polishing agent compatible and substantially non-reactive with the zinc salt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.