Oral composition having improved tooth whitening effect
US5302375A · kind A · utility
52Cited by
11References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 19, 1992 |
| Grant date | Apr 12, 1994 |
| Priority date | — |
| Expiry date | Nov 19, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q11/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides an oral composition for whitening teeth comprising a safe and effective whitening amount of peracetic acid dissolved or suspended in a vehicle, wherein the peracetic acid is generated within the vehicle in situ by combining water, acetylsalicylic acid and a water soluble alkali metal percarbonate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.