Back to results
US 3,944,607 AGranted
Herbicidal N-(N'-alkynylcarbamylmethyl)-2,6-dialkyl-.alpha.-haloacetanilides
AssigneeChevron Research Company
InventorDavid Cheong King Chan
Life of this patent
Estimating the term…
Abstract
N-(N'alkynylcarbamylmethyl)-2,6-dialkyl-.alpha.-haloacetanilides have herbicidal activity, particularly in pre-emergent applications against grassy weeds.
Claims9
A compound of the formula ##SPC6##
- wherein R.sup.1 and R.sup.2 individually are alkyl of 1 to 6 carbon atoms;
- R.sup.3 is hydrogen, alkyl of 1 to 6 carbon atoms, haloalkyl of 1 to 2 carbon atoms and 1 to 4 chlorine or bromine atoms, or alkynyl of 3 to 6 carbon atoms;
- R.sup.4 is alkynyl of 3 to 6 carbon atoms;
- and X is fluorine, chlorine, bromine or iodine.
1 more element
Dependencies are inferred from the claim text.