Two component dentifrice for the treatment of dentinal hypersensitivity
US5693314A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 2, 1996 |
| Grant date | Dec 2, 1997 |
| Priority date | — |
| Expiry date | Feb 2, 2016 |
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 second desensitizing agent other than a potassium salt the such as SnF.sub.2, the second desensitizing agent being incompatible with the potassium salt, the first and second dentifrice components being maintained separate from the other until dispensed for application to teeth requiring relief from dentine hypersensitivity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.