Dentifrice for hypersensitive teeth
US4634589A · kind A · utility
35Cited by
5References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 7, 1985 |
| Grant date | Jan 6, 1987 |
| Priority date | — |
| Expiry date | May 7, 2005 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q11/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A dentifrice for hypersensitive teeth containing at least 15% by weight of an apatite having an average particle size of less than 8 .mu.m and an abrasion value (RDA) of less than 30 as the sole crystalline and polishing substance. No further soluble mineral salts are present in the dentifrice. The dentifrice may also contain a local anesthetic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.