Extension of gum thickener with silicon dioxide and toothpaste containing the same
US4140757A · kind A · utility
10Cited by
22References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 6, 1977 |
| Grant date | Feb 20, 1979 |
| Priority date | — |
| Expiry date | Jul 6, 1997 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/731
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The extension of a gum thickener in a dentifrice composition of high water content is achieved by replacement of up to 50% of the gum thickener with a silica thickener which results in a dentifrice of improved cosmetic properties while reducing total raw material costs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.