High cleaning dentifrice
US6290933A · kind A · utility
87Cited by
12References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 9, 2000 |
| Grant date | Sep 18, 2001 |
| Priority date | — |
| Expiry date | May 9, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/412
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A high cleaning low abrasion dentifrice containing a silica hydrogel having a mean particle size from about 5 to about 11 microns; an Einlehner hardness of from 1 to about 20; an oil absorption of about 40 to less about 100 cc/g, a BET surface area from 100 to 700 m2/g of silica, the particles having a morphology characterized by glass conchoidal fracture surfaces whereby, the dentifrice composition has a RDA of 110 to 200 and a PCR from about 150 to about 300.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.