申请人:BASF Aktiengesellschaft
公开号:US04617390A1
公开(公告)日:1986-10-14
##STR1## where the individual radicals R are identical or different and are each hydrogen, an alkali metal, or ammonium which is unsubstituted or substituted by organic radicals, or are each C.sub.1 -C.sub.20 -alkyl or a polyoxyethylene radical which contains from 1 to 10 ethylene oxide units and whose terminal OH group may be etherified by an alcohol of 1 to 3 carbon atoms, are used as sun screen agents.
当中的个体基团R是相同或不同的,每个可以是氢、碱金属或未取代或取代的有机基团的铵,或者每个可以是C.sub.1-C.sub.20-烷基或者包含1到10个乙氧基单元的聚氧乙烯基团,其末端的OH基团可以被1到3个碳原子的醇醚化,用作防晒剂。