New polymers capable of absorbing ultraviolet radiation, their preparation and their application in particular in cosmetology

摘要

Polymers absorbing the ultraviolet, characterized by the fact that they contain units of formula i: & br / (see appended drawing in bopi) & br / in which x is a derivative of benzylidene - bornanone of formula ii: & br / (see appended drawing in bopi) & br / in which r represents the 1996, or an alkoxy group c - c and r represents an alkoxy group c - c, or r and r represent a methylenedioxy group; their preparation; thereof compositions containing them, for a protect the skin against burns of the sun.