Oral compositions
US4997640A · kind A · utility
29Cited by
14References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 1988 |
| Grant date | Mar 5, 1991 |
| Priority date | — |
| Expiry date | Dec 19, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q11/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The disclosure concerns a toothpaste having antimicrobial activity packaged in a closed container comprising water, an ascorbic acid compound consisting of ascorbic acid, an ascorbic acid salt or an ascorbic acid ester and a copper catalyst for the auto-oxidation of the ascorbic acid compound during use of the toothpaste.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.