Emulsion and dispersion formulations and method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Issued Date -
Aug 26, 2004
app pub date -
Apr 13, 2004
filing date -
May 18, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention provides a process of preparing an emulsion of a solubilised compound, said compound being soluble in a physiologically acceptable aqueous or nonaqueous solvent, said process comprising: (1) adding a complexing agent to at least one said solvent containing at least one said compound, the agent being capable of forming a compound: agent complex; (b) adding an emulsifier to the solvent containing the compound and the complexing agent; and (c) forming an emulsion. The present invention also provides a process of preparing a dispersion of a compound which is insoluble in a physiologically acceptable aqueous or nonaqueous solvent but only soluble in a physiologically unacceptable solvent, said process comprising: (a) adding said compound to at least one physiologically acceptable solvent; (b) adding a complexing agent to the compound plus solvent of (a); (c) further adding an emulsifier to the compound plus solvent plus complexing agent of (b); (d) forming a dispersion of said compound in said physiologically acceptable solvent.
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