Process for the preparation of zinc/dentifrice-compatible silica particulates
US5413844A · kind A · utility
15Cited by
19References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 18, 1989 |
| Grant date | May 9, 1995 |
| Priority date | — |
| Expiry date | May 18, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2996
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Zinc-compatible silica particulates, useful for the formulation of a wide variety of improved dentifrice compositions, have an effective compatibilizing amount of zinc values chemically bonded to surface area sites of the particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.