Scented sachet tablet
US4196851A · kind A · utility
7Cited by
3References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 20, 1978 |
| Grant date | Apr 8, 1980 |
| Priority date | — |
| Expiry date | Sep 20, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S261/89
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A porous sachet tablet prepared by compression molding or tableting a powder composed of insoluble tri-basic calcium phosphate mixed with a minor amount of soluble sodium hexametaphosphate and bonded with a small amount of food starch and internally lubricated with a fatty acid soap, preferably magnesium stearate, to aid tableting. This tablet or blank is preferably prepared by slurrying the phosphates and the binder in water, spray drying the slurry, dry-mixing in the lubricant and compression molding. The tablet is then wetted with a perfume of the desired fragrance to give the sachet tablet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.