申请人:Ciba-Geigy Corporation
公开号:US04113938A1
公开(公告)日:1978-09-12
Novel stilbene compounds of the formula ##STR1## in which R.sub.1 and R.sub.2 independently of one another are hydrogen or chlorine and A is a mono-nuclear or poly-nuclear aromatic heterocyclic structure which contains oxygen atoms or oxygen and nitrogen atoms and is unsubstituted or substituted by non-chromophoric substituents, as well as their use in a process for optically brightening organic material are disclosed.
公开了化学式为##STR1##的新型stilbene化合物,其中R.sub.1和R.sub.2彼此独立地为氢或氯,A为含有氧原子或氧和氮原子的单核或多核芳香杂环结构,并且未取代或被非色团取代,以及它们在有机材料光学增白过程中的应用。