Pharmaceutical ointment base

Details Pharmaceutical ointment base Pharmaceutical ointment base

A - Human Necessities

61

K

A61K 9/06 (2006.01) A61K 47/00 (2006.01) A61K 47/44 (2006.01) A61K 47/06 (2006.01) A61K 47/10 (2006.01) A61K 47/14 (2006.01) A61K 47/26 (2006.01)

Patent

CA 2180755

An ointment base useful as a vehicle for a broad range of medicament volumes and concentrations. The ointment base includes a stable emulsion of at least about 10 % by weight of each of water, one or more paraffins, and a liquid polyol; and less than about 10 % by weight of each of beeswax, cetostearyl alcohol, a 4-hydroxy benzoic acid lower alkyl ester, a surface active agent, and a dispersing agent.

Cette invention concerne une base d'onguent utile comme véhicule pour une gamme étendue de volumes et de concentrations de médicaments. Cette base d'onguent comprend une émulsion stable d'au moins 10 % en poids environ de chacun des éléments suivants: eau, une ou plusieurs paraffines, et un polyol liquide; et de moins de 10 % en poids environ de chacun des éléments suivants: cire d'abeilles, alcool cétostéarylique, un ester d'alkyle inférieur d'acide benzoïque 4-hydroxy, un tensioactif et un agent dispersant.

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