Color changing compositions
US9522111B2 · kind B2 · utility
2Cited by
29References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 2011 |
| Grant date | Dec 20, 2016 |
| Priority date | — |
| Expiry date | Dec 16, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/5424
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Described herein are oral care compositions comprising an antibacterial agent and a dissolvable film comprising a pigment which provide a color change signal after a sufficient period of brushing, wherein the dentifrice base has water activity less than 0.78 and comprises anionic polymer in free or salt form 10-25% by weight of the dentifrice base, and anionic surfactant less than 3% by weight; together with methods of making and using the compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.