Dental abrasive
US5939051A · kind A · utility
61Cited by
23References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 27, 1998 |
| Grant date | Aug 17, 1999 |
| Priority date | — |
| Expiry date | Feb 27, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q11/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Oral compositions, such as oral gels and toothpastes, containing a novel high cleaning, low abrasion silica hydrogel abrasive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.