Oral hygiene preparations
US5057309A · kind A · utility
29Cited by
95References
24Claims
0Family size
Inventors
Key dates
| Filing date | Jun 8, 1990 |
| Grant date | Oct 15, 1991 |
| Priority date | — |
| Expiry date | Jun 8, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q11/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention describes ingestible, non-foaming, non-aqueous liquid and semi-solid oral hygiene preparations containing: a nonionic surfactant, a coating substance insoluble in said surfactant and a microbially active form of stannous fluoride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.