Dermally applicable liquid formulations for controlling parasitic insects on animals
View Patent ↗The present invention relates to novel skin-friendly dermally applicable liquid formulations comprising permethrin and agonists or antagonists of nicotinic acetylcholine receptors of insects for controlling parasitic insects on animals.
1. A composition for controlling parasites on an animal comprising:
a. from about 35% to about 60% by weight of permethrin;
b. from about 2.5% to about 12.5% by weight of imidacloprid or an imidacloprid analog;
c. from about 27.5% to about 62.5% by weight of N-methylpyrrolidone;
d. from 0% to about 5% by weight of water;
e. from 0% to about 0.5% by weight of phenolic antioxidants; and
f. from 0% to about 0.5% by weight of at least one organic acid.
2. The composition of claim 1 , further comprising from about 2.5% to about 10% by weight of at least one cosolvent.
3. The composition of claim 1 , wherein said parasite is selected from the group consisting of fleas, ticks and both fleas and ticks and wherein said animal is warm-blooded.
4. The composition of claim 3 , wherein said animal is a dog.