Flowable preparations of the W/O emulsion type with an increased water content
US6649577B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 11, 2000 |
| Grant date | Nov 18, 2003 |
| Priority date | — |
| Expiry date | Dec 11, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q19/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Water-in-oil emulsions(a) with a viscosity of at most 5000 mPa·s(b) with a content of water and water-soluble substances totalling at least 75% by weight, and with a content of lipids, emulsifiers and lipophilic constituents totalling at most 15%, based in each case on the total weight of the preparations,(c) the oil phase of which comprises at least 75% of one or more substances chosen from the group ofnonpolar lipids which are liquid at room temperature and have a polarity of greater than 30 mN/m, and/orsilicones of any polarity this weight proportion being based on the total weight of the oil phase,(d) comprising at least one interface-active substance chosen from the group of substances of the general formula (I)
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.