Dentifrice for the treatment of dentinal hypersensitivity having limited astringency
US5780015A · kind A · utility
34Cited by
13References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 1997 |
| Grant date | Jul 14, 1998 |
| Priority date | — |
| Expiry date | May 14, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/88
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A two component desensitizing dentifrice composition is disclosed which comprises a first dentifrice component containing a desensitizing potassium salt such as potassium nitrate and a second dentifrice component containing a stannous salt desensitizing agent such as SnF2, the first and second dentifrice components being maintained separate form the other until dispensed for application to teeth requiring relief from dentine hypersensitivity, at least one of the dentifrice components containing the oxyethylated reaction product of hydrogenated castor oil to reduce astringency when the combined product is used by consumers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.