초록 ▼

Stable, isotropic gels which can be readily redispersed/reconstiuted into fluid emulsions, as such providing useful carriers for a wide variety of substances having little or no solubility in water, e.g., some types of drugs, are prepared by centrifuging an emulsion comprising a substantially oleoph

Stable, isotropic gels which can be readily redispersed/reconstiuted into fluid emulsions, as such providing useful carriers for a wide variety of substances having little or no solubility in water, e.g., some types of drugs, are prepared by centrifuging an emulsion comprising a substantially oleophilic, hydrophobic liquid component constituting the dispersed phase in a substantially aqueous liquid component containing an emulsifying amount of emulsifying amount of emulsifying agent which is soluble therein at its level of concentration but which is substantially insoluble in the oleophilic, hydrophobic component, the emulsion being devoid of gelling agent, to separate the emulsion into a gel phase containing substantially all of the oleophilic, hydrophobic component of the emulsion and a clear aqueous phase.

대표청구항 ▼

A method for preparing a transparent gel which comprises centrifuging an emulsion comprising a substantially oleophilic, hydrophobic liquid component constituting the dispersed phase in a substantially aqueous medium containing an emulsifying amount of emulsifying agent which is soluble therein at i

A method for preparing a transparent gel which comprises centrifuging an emulsion comprising a substantially oleophilic, hydrophobic liquid component constituting the dispersed phase in a substantially aqueous medium containing an emulsifying amount of emulsifying agent which is soluble therein at its level of concentration but which is substantially insoluble in the oleophilic, hydrophobic component, the emulsion being devoid of gelling agent, to separate the emulsion into a transparent gel phase containing substantially all of the oleophobic component of the emulsion and a clear aqueous phase, said oleophilic, hydrophobic liquid component being a liquid organic material having at most low or slight solubility in water and/or other polar solvent and said organic material being an edible fat, edible oil, liquid paraffin, aliphatic hydrocarbon or derivative thereof, aromatic hydrocarbon or derivative thereof, essential oil, or mixtures thereof and said emulsifying agent being a nonionic surface active agent having an HLB number of from about 8 to about 18 or an ionic surface active agent.