Dentifrices
US4568534A · kind A · utility
27Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 7, 1985 |
| Grant date | Feb 4, 1986 |
| Priority date | — |
| Expiry date | Feb 7, 2005 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/45
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A dentifrice containing an anticaries agent and an abrasive is produced to which has been added at least one color indicator which, when the user brushes his or her teeth with the dentifrice, results in a color change in the dentifrice within the user's mouth after a predetermined period of brushing time has elapsed for the purpose of indicating to the user that he or she has brushed his or her teeth a sufficient length of time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.