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US 4,397,859 AGranted
Insecticide
AssigneeFisons Limited
InventorQuinton A. Geering
Life of this patent
Estimating the term…
Abstract
An insecticidal composition particularly valuable for use indoors, e.g. against cockroaches, comprises: (A) 2,2-dimethyl-1,3-benzodioxol-4-yl H-methylcarbamate; and (b) pyrethrin.
Claims8
A synergistic insecticidal composition consisting essentially of:
- (A) 2,2-dimethyl-1,3-benzodioxol-4-yl N-methylcarbamate, and
- (B) a pyrethrin selected from the group consisting of natural pyrethrin, resmethrin, tetramethrin and bioresmethrin, said natural pyrethrin comprising a mixture of pyrethrins I and II, cinerins I and II and jasmolins I and II;
- wherein the proportion of (A) to (B) is from 10:1 to 1:1 by weight.
A method of combatting insects at a locus to be protected from them, which method comprises applying to the locus an insecticidally effective amount of a synergistic insecticidal composition consisting essentially of:
- (A) 2,2-dimethyl-1,3-benzodioxol-4-yl N-methylcarbamate, and
- (B) a pyrethrin selected from the group consisting of natural pyrethrin, resmethrin, tetramethrin and bioresmethrin, said natural pyrethrin comprising a mixture of pyrethrin I and II, cinerins I and II and jasmolins I and II;
- wherein the proportion of (A) to (B) is from 10:1 to 1:1 by weight.
Dependencies are inferred from the claim text.