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1. WO2008005764 - NOUVELLE COMPOSITION DE DZÉTA-CYPERMÉTHRINE

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

[ EN ]

WHAT IS CLAIMED IS:

Claim 1 An insecticidal composition comprising:
a) zetø-cypermethrin; and
b) glycerine;
wherein said zetø-cypermethrin contains an epimerization catalyst.

Claim 2 The composition of Claim 1 wherein the epimerization catalyst is tricaprylmethylammonium chloride.

Claim 3 The composition of Claim 2 wherein the amount of catalyst is from 0.6% to 1.3% by weight based on the total weight of the composition.

Claim 4 The composition of Claim 1 wherein zetø-cypermethrin is present in a concentration from 20% to 27 % by weight based on the total weight of all the components in the composition.

Claim 5 The composition of Claim 1 wherein glycerine is present in an amount from 6% to 16% by weight of all the components in the total composition.

Claim 6 The composition of Claim 1 further comprising one or more aromatic or aliphatic solvent.

Claim 7 The composition of Claim 6 wherein the aromatic solvent is selected from alkylated naphthalene aromatic solvent and alkylated naphthalene depleted aromatic solvent.

Claim 8 The composition of Claim 7 wherein the aromatic solvent is present in a concentration from 13% to 17 % by weight based on the total weight of all the components of the composition.

Claim 9 The composition of Claim 1 further comprising nonionic polymeric surfactants.

Claim 10 The composition Claim 9 wherein the nonionic polymeric surfactants are selected from the group consisting of an alkyd polyethylene glycol and a polyalkylene glycol ether.

Claim 11 The composition of Claim 10 wherein the total concentration of the alkyd polyethylene glycol and the polyalkylene glycol ether surfactant is from 6% to 12% by weight based upon the total weight of all the components in the composition.

Claim 12 The composition of claim 1 further comprising an antifoam agent.

Claim 13 The composition of claim 12 wherein the anti-foam agent is present in an amount from 0.001% to 1% by weight of all the components in the total formulation.

Claim 14 The composition of Claim 1 further comprising a preservative.

Claim 15 The composition of Claim 14 wherein the preservative is present in an amount from 0.001% to 1% by weight of all the components in the total formulation.

Claim 16 A method for controlling unwanted insects comprising applying a composition of Claim 1 to a locus where insects are present or are expected to be present.

Claim 17 An insecticidal composition comprising:
a) zetø-cypermethrin containing an epimerization catalyst present in a concentration from 20% to 27%;
b) an aromatic solvent present in a concentration froml3% to 17 %;
c) an alkyd polyethylene glycol and a polyalkylene glycol ether present in a total concentration from 6% to 12%;
d) glycerine present in an amount from 6% to 16%;

e) an anti-foam agent present in an amount from 0.001% to 1%; and
f) a preservative present in an amount from 0.001% to 1%;
wherein all % are % by weight based on the total weight of all the components in the formulation.

Claim 18 A method for controlling unwanted insects comprising applying a composition of Claim 17 to a locus where insects are present or are expected to be present.