Aryl sulfonylurea carbamates and thiolcarbamates and salts thereof: herbicidal antidotes
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United States of America Patent
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Jun 5, 1990
Issued Date -
N/A
app pub date -
Dec 23, 1983
filing date -
Nov 19, 1980
priority date (Note) -
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Abstract
Aryl sulfonylureas as new compositions and included in a two-part herbicide system comprising at least one or more thiolcarbamate, thiolcarbamate sulfoxide or haloacetanilide herbicide, and as the second part a non-phytotoxic antidotally effective amount of aryl sulfonylurea as an antidote therefor of the formula ##STR1## in which X is oxygen or sulfur; n is an integer; R is lower alkyl, lower alkoxy, lower alkylthio, halogen, trifluoromethyl, cyano, nitro, lower alkyl sulfonyl; R.sup.4 is hydrogen, lower alkyl, lower alkoxyalkyl, phenyl and chlorophenyl; R.sup.2 is hydrogen, lower alkyl, alkoxyalkyl and phenyl; R.sup.1 is lower alkyl, alkenyl, alkynyl, haloalkyl, alkoxyalkyl, 1-phenylpropenyl, benzyl, chlorobenzyl, haloalkenyl, phenyl and alkyl substituted phenyl; and AR is phenyl, benzyl, naphthyl, pyridyl or styryl; and the inorganic base salts sodium, potassium, ammonium and other inorganic salts; and organic base salts thereof.
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