Dual component bis-biguanide containing dentifrice of improved stability
US6613310B1 · kind B1 · utility
20Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 29, 2002 |
| Grant date | Sep 2, 2003 |
| Priority date | — |
| Expiry date | Jul 29, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q11/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A dual component chlorhexidine dentifrice composition of improved shelf stability in which the first component is a gel containing a bis-biguanide antibacterial agent in which the gel vehicle is thickened with a cellulose polymer and the second component is a paste containing a silica abrasive wherein the bis-biguanide antibacterial agent provides undiminished antiplaque and antigingivitis effect with reduced staining when the physically separated components are combined and mixed upon application to dental tissue.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.