STORAGE STABLE TOPICAL PHARMACEUTICAL COMPOSITION CONTAINING LOW DIELECTRIC SOLVENTS
A storage stable topical pharmaceutical composition containing zinc erythromycin, particularly useful in the topical treatment of acne vulgaris, is disclosed. This composition contains a solvent having a dielectric constant, measured at 25°C, of from about 5.5 to about 15, preferably from about 8 to...
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Main Authors | , , |
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Format | Patent |
Language | English |
Published |
27.06.1984
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Subjects | |
Online Access | Get full text |
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Summary: | A storage stable topical pharmaceutical composition containing zinc erythromycin, particularly useful in the topical treatment of acne vulgaris, is disclosed. This composition contains a solvent having a dielectric constant, measured at 25°C, of from about 5.5 to about 15, preferably from about 8 to about 12. such as t-butanol, to impart storage stability to the zinc erythromycin component. The composition may additonally contain particularly selected pharmaceutically-acceptable ni- trogencontaining stabilizer components, such as diisopropanolamine. |
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Bibliography: | Application Number: ZA19830007627 |