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US 3,990,880 AGranted
Herbicidal isobenzofuranones
AssigneeE. I. Du Pont de Nemours and Company
InventorFranklin Edward Mumford
Life of this patent
Estimating the term…
Abstract
This invention relates to herbicidal isobenzofuranones. These compounds may be used for selective weed control in certain crops or for total vegetation control.
Claims9
A compound of the formula ##SPC5## 220 ##SPC6##
- wherein
- X is fluorine, chlorine or bromine;
- Y is hydrogen or fluorine;
- and
- Z is hydrogen or fluorine;
- provided that when Y and Z are fluorine, X is fluorine.
3 more elements
Dependencies are inferred from the claim text.