Dermally applicable water-containing formulations of...

A - Human Necessities – 01 – N

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A01N 51/00 (2006.01) A01N 25/02 (2006.01) A01N 31/04 (2006.01) A01N 43/08 (2006.01) A01N 43/36 (2006.01) A01N 61/00 (2006.01)

Patent

CA 2321209

The present invention relates to water-containing formulations for the dermal control of parasitic insects on animals, having the following composition a) agonists or antagonists of the nicotinic acetylcholine receptors of insects in a concentration of from 1 to 20% by weight based on the overall weight of the formulation; b) water in a concentration of from 2.5 to 15% by weight; c) solvents from the group alcohols such as benzyl alcohol, tetrahydrofuryl alcohol or optionally substituted pyrrolidones in a concentration of at least 20% by weight based on the overall weight of the formulation; d) solvents from the group of the cyclic carbonates or lactones in a concentration of from 5 up to 50% by weight based on the overall weight of the formula-tion; e) if desired, further auxiliaries from the group thickeners, spreading agents, colorants, antioxidants, propellants, preservatives, adhesives, emulsifiers, in a concentration of from 0.025 up to 10% by weight based on the overall weight of the formulation.

L'invention concerne des formulations aqueuses servant au traitement cutané contre des insectes parasites chez l'animal et ayant la composition suivante: a) agonistes ou antagonistes des récepteurs nicotiniques de l'acétylcholine d'insectes dans une concentration comprise entre 1 et 20 % en poids par rapport au poids total de la formulation, b) eau dans une concentration comprise entre 2,5 et 15 % en poids, c) solvant du groupe des alcools, tel que alcool benzylique, alcool tétrahydrofurfurylique ou pyrrolidone éventuellement substituée, dans une concentration d'au moins 20 % en poids par rapport au poids total de la formulation, d) solvants du groupe des lactones ou des carbonates cycliques dans une concentration comprise entre 5 et 50 % en poids par rapport au poids total de la formulation, e) éventuellement autres adjuvants du groupe des épaississants, des agents mouillants, des colorants, des anti-oxydants, des agents d'expansion, des conservateurs, des adhésifs, des émulsifiants, dans une concentration comprise entre 0,025 et 10 % en poids par rapport au poids total de la formulation.

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