Phosphonium salts as herbicides
 Use as herbicides of certain phosphonium salts of the formula EQU (R).sub.3 P.sym.--CH.sub.2 --X--R'.hal.crclbar. wherein the symbols have defined meanings. 
Shell Oil Company
A C
A01N C07F
inventional inventional
Gene A. Larry W. Kurt H. G.
Bozarth Peterson Pilgram