申请人:American Cyanamid Company
公开号:US04968416A1
公开(公告)日:1990-11-06
Various 1,4-disubstituted-2,3,5,6-tetrahydroxy-1,4-diphosphorinanes, their oxides and sulfides, methods for the production thereof, flame-retarded compositions of matter containing them and froth flotation processes therewith, are disclosed.
本发明揭示了各种1,4-二取代-2,3,5,6-四羟基-1,4-二膦环烷及其氧化物和硫化物的制备方法,含有它们的阻燃物质组成物以及使用它们进行的泡沫浮选过程。