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US 4,230,482 AGranted
Herbicide antidotes
AssigneeShell Oil Company
InventorLarry W. Peterson
Life of this patent
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Abstract
The safety of the herbicide, cyanazine, with respect to grain sorghum, is improved by use of a selective antidote, which is a compound of the formula: ##STR1## wherein the symbols have defined meanings.
Claims5
A method for increasing the safety of the herbicide, cyanazine, with respect to a grain sorghum plant, which comprises providing the growing sorghum plant, at the time it is contacted with the herbicide, with an effective amount of an antidote compound of the formula:
- ##STR3## wherein m, n, R and R.sup.1 are as follows:
- ______________________________________ Compound No. m n R R.sup.1 ______________________________________ 1 0 0 -- H 2 1 0 -- H 3 0 1 3-(--CF.sub.3) H 4 0 1 2-(--F) H 5 0 1 3-(--Cl) H 6 0 0 -- --CH.sub.3 7 0 1 2-(--Cl) H 8 1 1 3-(--Cl) H 9 0 2 2-(Cl),5-(--Cl) H ______________________________________
Dependencies are inferred from the claim text.