A - Human Necessities – 01 – N
Patent
A - Human Necessities
01
N
A01N 59/00 (2006.01) B01J 13/00 (2006.01) B01J 13/02 (2006.01) C01B 33/18 (2006.01)
Patent
CA 2390146
A pesticidal composition comprises, as the sole pesticidally-active component, a storage-stable aerated gel composition comprising 30 to 97 % by weight of water, 0.2 to 5 % by weight of a gelling agent selected from xanthan gum, sodium alginate and neutralised carboxyvinyl polymer and 2 to 5 % by weight of a fine particulate hydrophobic silicone-treated silica having a surface area of from 80 to 300 m2/g. The composition is in the form of fine particles of an aqueous gel containing the water and gelling agent, the surfaces of which fine particles are coated with a coating of the finely particulate hydrophobic silica. The composition is useful in a method of controlling pests, particularly insects and acarids.
L'invention concerne des compositions pesticides, comprenant comme composant pesticide actif dans le sol une composition de gel aéré stable au stockage, qui renferme 30 à 97 % en poids d'eau, 0,2 à 5 % en poids d'un agent gélifiant sélectionné dans le groupe constitué par la gomme de xanthanne, l'alginate de sodium, et un polymère de carboxyvinyle neutralisé, et 2 à 5 % en poids de silice hydrophobe particulaire fine traitée au silicone présentant une zone de surface de 80 à 300 m?2¿/g. La composition se présente sous forme des particules fines de gel aqueux contenant de l'eau et un agent gélifiant, les surfaces desdites particules fines étant enrobées d'un enrobage de silice hydrophobe à particules fines. Ces compositions sont utiles dans les procédés de lutte contre les animaux nuisibles, notamment les insectes et les acariens.
Le Quesne Lesley
Twydell Roland
Basf Plc.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Sorex Limited
LandOfFree
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