Method of preparing dentifrice-compatible silica particulates
US5744114A · kind A · utility
18Cited by
8References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 16, 1996 |
| Grant date | Apr 28, 1998 |
| Priority date | — |
| Expiry date | Jul 16, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/90
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Novel silica particulates adopted for formulation into dentifrice compositions have a unique surface chemistry as to be at least 50% compatible with zinc values, and have a number of OH functions, expressed as OH/nm.sup.2, of at most 15 and a zero charge point (PZC) of from 3 to 6.5.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.