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US 4,051,240 AGranted
O,S-dialkyl-O-(4-phenylazophenyl)-thiophosphates and pesticidal compositions thereof
AssigneeCiba-Geigy Corporation
InventorsAlexis A. Oswald, Paul L. Valint
Life of this patent
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Abstract
Organophosphorus acid esters of the formula ##STR1## wherein R.sub.1 represents propyl or butyl; R.sub.2 represents methyl or ethyl; each of R.sub.3 and R.sub.4 represents hydrogen, halogen, or alkyl having 1 to 5 carbon atoms; n is a number from 1 to 4; and m is a number from 1 to 5. These compounds are useful for the control of insects, acarids and nematodes.
Claims13
A compound of the formula ##STR14## wherein R.sub.1 represents propyl or butyl;
- R.sub.2 represents methyl or ethyl;
- each of R.sub.3 and R.sub.4 represents hydrogen, halogen or alkyl having from 1 to 5 carbon atoms;
- n is a number from 1 to 4;
- and m is a number from 1 to 5.
1 more element
Dependencies are inferred from the claim text.