Oral compositions
US11707423B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Sep 7, 2021 |
| Grant date | Jul 25, 2023 |
| Priority date | — |
| Expiry date | Sep 7, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/92
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A chewable composition for teeth-whitening comprising a first region and a second region separated by a barrier layer; the first region comprising carbamide peroxide having water content of about 2% or less, a wetting agent (e.g., glycerin), an anhydrous chewing gum base having water content of about 1% or less, an anhydrous fruit acid, and one or more gum additives; and the second region comprising a chewable composition comprising a gum base, a source of bicarbonate ion, and one or more gum additives. A kit comprising separate chewable compositions corresponding to the first and second regions, and methods for whitening teeth using the chewable composition are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.