Precipitated silicas having improved dentifrice performance characteristics and methods of preparation
US5869028A · kind A · utility
39Cited by
15References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 1996 |
| Grant date | Feb 9, 1999 |
| Priority date | — |
| Expiry date | Dec 3, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/90
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A precipitated silica composition which, when incorporated into a suitable dentifrice composition, the dentifrice composition exhibits an mPCR of about 103 to 124 and an RDA of about 88 to 102. The invention also provides a precipitated silica composition which, when incorporated into a suitable dentifrice composition, the dentifrice composition exhibits an mPCR to RDA ratio of greater than about 1.1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.