Powder to liquid compositions
US6290941A · kind A · utility
13Cited by
1References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 23, 1999 |
| Grant date | Sep 18, 2001 |
| Priority date | — |
| Expiry date | Nov 23, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q1/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to cosmetic or pharmaceutical powder-to-liquid compositions comprising hydrophobically coated silica particles into which are incorporated water and a water soluble polymer, the composition containing substantially no oil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.