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US 4,536,497 AGranted
S-(1-(1-cyano-1-(halomethyl)alkylthio)alkyl) phosphorothioic compounds as pesticides
AssigneeShell Oil Company
InventorJames R. Sanborn
Life of this patent
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Abstract
Novel compounds of the formula I ##STR1## wherein R.sup.1 and R.sup.2 each is methyl or ethyl, R.sup.3 and R.sup.4 each is alkyl, alkoxy or mono- or dialkylamino, and Hal is Cl or Br, are useful as pesticides, particularly against soil insects.
Claims9
A compound of the formula I ##STR4## wherein R.sup.1 and R.sup.2 each independently is a methyl group or an ethyl group;
- R.sup.3 and R.sup.4 each independently is an alkoxy group containing from 1 to 4 carbon atoms and Hal is a chlorine or bromine atom.
Dependencies are inferred from the claim text.