申请人:Givaudan-Roure Corporation
公开号:US05481001A1
公开(公告)日:1996-01-02
Light screening compositions which contain a compound of the formula ##STR1## wherein R.sup.1 represents H, C.sub.1-19 -alkyl, C.sub.2-29 -alkenyl, C.sub.2-29 -alkynyl, optionally lower-alkyl or oxy-lower alkyl substituted phenyl, R.sup.2 represents H, C.sub.1-29 -alkyl, C.sub.2-29 -alkenyl, C.sub.2-29 -alkynyl, optionally lower-alkyl or oxy-lower alkyl substituted phenyl, R.sup.3 represents H, C.sub.1-19 -alkyl, C.sub.1-19 -hydroxyalkyl, C.sub.1-19 -polyhydroxyalkyl, C.sub.2-29 -alkenyl, C.sub.2-29 -alkynyl, optionally lower-alkyl or oxy-lower alkyl substituted phenyl or optionally lower-alkyl or oxy-lower alkyl substituted pyridyl, a polyether residue, a phenylsulphonic acid residue and R.sup.2 and R.sup.3 together with the N atom can also form a ring.
含有以下化合物的轻筛选组合物##STR1##其中R.sup.1代表H,C.sub.1-19-烷基,C.sub.2-29-烯基,C.sub.2-29-炔基,可选地为较低烷基或氧基较低烷基取代的苯基,R.sup.2代表H,C.sub.1-29-烷基,C.sub.2-29-烯基,C.sub.2-29-炔基,可选地为较低烷基或氧基较低烷基取代的苯基,R.sup.3代表H,C.sub.1-19-烷基,C.sub.1-19-羟基烷基,C.sub.1-19-多羟基烷基,C.sub.2-29-烯基,C.sub.2-29-炔基,可选地为较低烷基或氧基较低烷基取代的苯基或可选地为较低烷基或氧基较低烷基取代的吡啶基,聚醚残基,苯磺酸残基和R.sup.2和R.sup.3与N原子一起也可以形成环。