Granular formulation including a microemulsifiable concentrate containing an insecticide

• Main Author: CUSH RANDALL C
• Format: Patent
• Language: English
• Published: 30.04.2014
• Subjects: CHEMISTRY; FERTILISERS; FERTILISERS CHARACTERISED BY THEIR FORM; HUMAN NECESSITIES; HYGIENE; MANUFACTURE THEREOF; MEDICAL OR VETERINARY SCIENCE; METALLURGY; MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENTSUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVINGA SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES,SOIL-CONDITIONERS, WETTING AGENTS; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES

603302 Disclosed is a dry spreadable or broadcast granule comprising: i) a solid carrier; ii) at least one active chemical agent selected from gamma-cyhalothrin and lambda-cyhalothrin; and iii) an emulsifier system capable of forming a microemulsion of the active chemical agent (ii) upon dilution in water; and wherein the emulsifier system comprises: A) at least one non-ionic surfactant having an HLB >9 selected from a mono C2-6alkyl ether of a poly C2-4alkylene oxide block copolymer having at least a first polyalkylene oxide block region and a second polyalkylene oxide block region in which the polyalkylene oxide in said first region is different than the polyalkylene oxide in said second region (such as a butyl ether derivative of an ethylene oxide (EO)/propylene oxide (PO) block copolymer ((Toximul® 8320)); and B) at least one hydrophobic anionic surfactant selected from a styrylphenol polyethoxyester phosphate (Soprophor® 3D33); and wherein the emulsifier system is coated onto, absorbed onto or impregnated into the carrier.