Procedure for the preparation of a compound to protect human skin. (Machine-translation by Google Translate, not legally binding)

摘要

Process for the preparation of a compound to protect the human skin from the effects of ultraviolet radiation, which induces erythema, characterized in that a sufficient amount is distributed in a cosmetic support, up to the limit of solubility therein, of an alkyl ester or mixture of such esters, of p-dimethylaminobenzoic acid, in which the esterifying radical is of a monohydric alcohol having from 5 to 18 carbon atoms, said esters having a sufficiently low melting point, to be liquid at the temperatures of the skin, said miscible esters being in said support at said temperatures. (Machine-translation by Google Translate, not legally binding)