Refining process of organic tin (IV) polyhalides
 It is possible to eliminate organic tin(IV) monohalide from organic tin(IV) polyhalide containing the monohalide so that it can not be detected in sensitivity of ordinary gas chromatography by treating with hydrochloric acid, hydrogen chloride or chlorine. 
Koriyama Kasei Co., Ltd.
C C A C
C07F C07F A01N C07C
inventional inventional inventional inventional
Yuji Naruo Toshinao Yasuyuki
Watanabe Den Fujita Suzuki