Patent ID: 11944091
Assignee: ADAMA MAKHTESHIM LTD.
Field: Basic materials chemistry (Chemistry)
Classification: CPC A  C | IPC A  C

Claim 5:
6. A method for preparing a packaged stable, self-dispersible, low foaming granule comprising:
(i) mixing a pesticide selected from the group consisting of captan and folpet, an anti-foaming agent, a dispelling system, an effervescent system, and granulation water containing a granulation aid agent selected from the group consisting of polyethylene glycol, polypropylene glycol alkylated polyalkoxylated glycol and any combination thereof to prepare a wetted powder mixture;
(ii) granulating the wetted powder mixture to obtain granules;
(iii) drying the granules to a moisture content of less than 3%; and
(iv) packing the granules in a package which is sufficiently impermeable to moisture such that the effervescent system in the packaged granule does not substantially react when exposed to the moisture present in the air at less than 40% relative humidity or to the moisture in the granule;
wherein the granule comprises,
(a) 70-95% by weight of a single pesticide based on the total weight of the granule selected from the group consisting of captan and folpet;
(b) 0.2-5% by weight of a silicon(e)-based anti-foaming agent based on the total weight of the granule comprising polysiloxane on a neutral carrier or a liquid based on polydimethylsiloxane oil and silica;
(c) 3-25% by weight of an effervescent system based on the total weight of the granule, wherein the effervescent system comprises an acid and a base;
(d) less than 3% moisture; and
(e) 0.5-25% by weight of a dispelling system based on the total weight of the formulation, wherein the dispelling system comprises a dispersing agent and a wetting agent;
wherein the package contains a single pesticide selected from the group consisting of captan and folpet.