Stable dentifrice
US4459283A · kind A · utility
7Cited by
5References
10Claims
0Family size
Inventors
Key dates
| Filing date | Aug 17, 1981 |
| Grant date | Jul 10, 1984 |
| Priority date | — |
| Expiry date | Aug 17, 2001 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/556
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Dentifrices containing chloroform and a siliceous agent have been found to cause instability and corrosion in unlined aluminium tubes. A chloroform/siliceous agent dentifrice formulation is disclosed wherein an additive comprising a mixture of phosphate esters is used to reduce or prevent corrosion and thus provide stability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.