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AssigneeBeiersdorf AG
InventorsHeinrich Gers-Barlag, Anja Muller
Estimating the term…
Cosmetic or pharmaceutical O/W emulsions which contain (a) one or more surface-active substances selected from the group consisting of glucose derivatives of the structural formula ##STR1## in which R is a branched or unbranched alkyl radical having 1 to 24 carbon atoms, R.sub.1 is either a hydrogen atom or a branched or unbranched alkyl radical having 1 to 24 carbon atoms and R.sub.2 is either a hydrogen atom or a branched or unbranched acyl radical having 1 to 24 carbon atoms, (b) one or more water-soluble, cosmetically or pharmaceutically acceptable UV filters, (c) an aqueous phase which may contain conventional substances soluble and/or dispersible therein, including especially other cosmetically or pharmaceutically acceptable UV filters, and (d) an oil phase which may contain conventional substances soluble and/or dispersible therein, including especially other cosmetically or pharmaceutically acceptable UV filters, and which are (e) essentially free of polyethoxylated emulsifiers.
A cosmetic or pharmaceutical O/W emulsion which comprises
A cosmetic or pharmaceutical formulation for protecting skin from the effects of damaging UV light comprising a skin protective amount of an O/W emulsion comprising
A method of protecting skin from the effects of damaging UV light comprising applying to the skin a protective amount of a cosmetic or pharmaceutical formulation comprising
In a method of preparing stabilized cosmetic or pharmaceutical O/W emulsions which have an effective content of one or more water-soluble, cosmetically or pharmaceutically acceptable UV filters the improvement comprising the use of one or more surface-active glucose derivatives of the structural formula ##STR23## in which R is a branched or unbranched alkyl radical having 1 to 24 carbon atoms, R.sub.1 is either a hydrogen atom or a branched or unbranched alkyl radical having 1 to 24 carbon atoms and R.sub.2 is either a hydrogen atom or a branched or unbranched acyl radical having 1 to 24 carbon atoms the O/W emulsion comprising an aqueous phase which optionally comprising conventional substances soluble and/or dispersible therein, and an oil phase which optionally comprising conventional substances soluble and/or dispersible therein, and which are essentially free of polyethoxylated emulsifiers.
Dependencies are inferred from the claim text.