Oral care compositions comprising calcium carbonate and silica
US9974723B2 · kind B2 · utility
7Cited by
2References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 2013 |
| Grant date | May 22, 2018 |
| Priority date | — |
| Expiry date | Dec 16, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/592
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides an oral care composition comprising, based on the total weight of the composition: (a) 15 to 24 weight % calcium carbonate; (b) 0.9 to 2.5 weight % cellulose ether thickening agent; (c) 7 to 10 weight % thickening silica; and (d) at least 40 weight % water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.