Stable emulsions of perfluoropolyethers
US5183589A · kind A · utility
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12References
12Claims
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Key dates
| Filing date | Mar 30, 1990 |
| Grant date | Feb 2, 1993 |
| Priority date | — |
| Expiry date | Mar 30, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2371/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Stable diphase emulsions consisting of: PA0 a) perfluoropolyethers having perfluoroalkyl end groups; PA0 b) a conventional surfactant, dispersed in PA0 c) a continuous dispersing phase consisting of glycerol or of a polyhydroxylated compound containing at least three hydroxyl groups, selected from polyalcohols and saccharides, dissolved in a hydrophile solvent and/or water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.