Oral care compositions comprising calcium carbonate and a clay
US9949907B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 16, 2013 |
| Grant date | Apr 24, 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, by total weight of the composition: (a) 15 to 35 weight % calcium carbonate; (b) 0.5 to 2 weight % cellulose ether thickening agent; (c) 1 to 6 weight % clay thickening agent; and (d) at least 35 weight % water; wherein, when the composition comprises less than 28 weight % calcium carbonate and less than 4 weight % clay thickening agent, the cellulose ether thickening agent is present in an amount of greater than 1 weight %.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.