Dentifrice
US4350680A · kind A · utility
29Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 21, 1981 |
| Grant date | Sep 21, 1982 |
| Priority date | — |
| Expiry date | Sep 21, 2001 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q11/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A dentifrice comprising an impure insoluble sodium metaphosphate polishing agent is disclosed, the dentifrice using a mixture of anionic phosphates esters as a surface active agent, to reduce or prevent a tendency to cause sloughing or desquamation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.