Oral composition providing enhanced tooth stain removal
US6379654B1 · kind B1 · utility
76Cited by
3References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 27, 2000 |
| Grant date | Apr 30, 2002 |
| Priority date | — |
| Expiry date | Dec 9, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K38/4873
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An abrasive dentifrice composition which effects enhanced tooth and stain removal which comprises an orally acceptable vehicle containing a combination of a low oil absorption silica abrasive having an oil absorption value of less than 100 cc/100 g silica and an proteolytic enzyme.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.