Single phase whitening dentifrice with high purity metaphosphate abrasive
US10299998B2 · kind B2 · utility
4Cited by
3References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 16, 2016 |
| Grant date | May 28, 2019 |
| Priority date | — |
| Expiry date | Nov 16, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/31
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Provided is a single phase oral care composition having a whitening agent; a first abrasive selected from calcium pyrophosphate, calcium carbonate, and dicalcium phosphate; a second abrasive that may include sodium metaphosphate; an anticalculus agent; and a substantially anhydrous carrier that may include an ethylene oxide/propylene oxide copolymer. In the composition, a wt % of the second abrasive is equal to or greater than a wt % of the first abrasive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.