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US 4,375,981 AGranted
Method for controlling weed growth using herbicidally 5-(2-chloro-4-trifluoromethyl)-, or (4-trifluoromethyl or 2,6-dichloro-4-trifluoromethylphenoxy)-2-nitro-substituted carbonyl oxime-O-alkyl ethers
AssigneePPG Industries, Inc.
InventorDennis K. Krass
Life of this patent
Estimating the term…
Abstract
Disclosed are compounds such as 5-(2-chloro-4-trifluoromethylphenoxy)-2-nitroacetophenone oxime-O-methyl ether, and the method of controlling weeds, such as wild oats with the compounds.
Claims5
In a method of controlling weed growth wherein a herbicidal amount of a herbicide is applied to the weeds subsequent to their emergence from the growth medium wherein the improvement resides in using as the herbicide a compound represented by the formula:
- ##STR4## wherein:
- Y and Z are independently hydrogen or chlorine;
- R is hydrogen or alkyl of up to 3 carbon atoms;
- and
- R.sup.1 is alkyl of up to 4 carbon atoms.
2 more elements
Dependencies are inferred from the claim text.