Dual component dentinal desensitizing dentifrice
US6953817B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 5, 2002 |
| Grant date | Oct 11, 2005 |
| Priority date | — |
| Expiry date | Jul 18, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/88
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A two component dental composition is disclosed which eliminates or substantially reduces the discomfort and pain associated with dentinal hypersensitivity which composition comprises a first dentifrice component having a neutral pH in the range of about 6.5 to 7.5 buffered with a phosphate salt, a second dentifrice component having an alkaline pH in the range of 6.5 to 7.5 and at least one of the components containing a potassium ion releasable compound and a fluoride ion releasable salt, the first and second components being maintained separate from each other until dispensed and combined for application to teeth requiring relief from dentine hypersensitivity, whereby heightened desensitization is experienced by the user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.