Dentifrices
US4263276A · kind A · utility
13Cited by
22References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 10, 1979 |
| Grant date | Apr 21, 1981 |
| Priority date | — |
| Expiry date | May 10, 1999 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/43
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A dentifrice containing a siliceous polishing agent and an alkali metal fluoride or monofluorophosphate, a dye and an additive which prevents or reduces color fading which additive is benzoic acid and/or phytic acid when alkali metal monofluorophosphate is present and which is benzoic acid when alkali metal fluoride is present.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.