Polymers capable of absorbing ultraviolet radiation, their preparation
申请人:L'Oreal
公开号:US04839160A1
公开(公告)日:1989-06-13
An ultraviolet radiation absorbing polymer having units of formula I: ##STR1## wherein X is a group derived from benzylidene-bornanone of formula II ##STR2## wherein R.sup.1 represents hydrogen or C.sub.1 -C.sub.12 alkoxy and R.sup.2 represents C.sub.4 -C.sub.12 alkyl. The polymer is useful in protecting human skin against sunburn.