Oral compositions
US4822599A · kind A · utility
59Cited by
4References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 26, 1987 |
| Grant date | Apr 18, 1989 |
| Priority date | — |
| Expiry date | Aug 26, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/26
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Methods which reduce natural stain from teeth are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.