Oral care composition containing zinc salts and calcium carbonate
US10251823B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 13, 2015 |
| Grant date | Apr 9, 2019 |
| Priority date | — |
| Expiry date | Nov 13, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/28
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides an oral care composition comprising: (a) a first composition comprising a silica abrasive and a first zinc compound selected from zinc citrate, zinc chloride, zinc acetate, zinc lactate, zinc salicylate, zinc sulfate, and zinc nitrate; and (b) a second composition comprising a calcium carbonate abrasive; wherein the first composition and/or the second composition further comprises a second zinc compound selected from zinc oxide, zinc carbonate and zinc tartrate; and wherein the oral care composition optionally further comprises from 0.1 to 1.75 weight % of a tartar control agent, based on the total weight of the oral care composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.