Method of manufacturing oral hygiene preparations containing active SnF.sub .
US5057310A · kind A · utility
23Cited by
9References
20Claims
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 relates to the manufacturing of ingestible, non-foaming, nonaqueous 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, wherein the coating substance is emulsified with the surfactant using a hot-melt emulsion process and the resulting emulsion is added to a solution of stannous fluoride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.