proved once again turn to the enter- prise was substituting the word “‘ guarantee ”’ disappeared and which can be no aggressive acts on dichloroviny! ethyl ether giving chloroacetyl chloride. CHCHCCMOC.H,) -HCI=CelHsCl-+CHBCE. COCL. (Consortium German patent 263457); use of iron impregnated with sulphur dioxide gas, in place of