SOLID FRIABLE COMPOSITION OF CARRIER FOR ACTIVE SUBSTANCE IN SOLID DOSED WATER-DISPERSIBLE FORM, METHOD FOR PRODUCING IT AND SOLID DOSED MEDICINAL FORM Russian patent published in 1998 - IPC

Abstract RU 2111663 C1

FIELD: biology; medicinal preparations for plant protection. SUBSTANCE: carrier for active substance comprises microcrystalline cellulose and urea, or ammonium salt, or mixture thereof in weight ratio 2:1-1:5, respectively. Additionally, composition may comprise 1% of sodium carboxymethyl cellulose used as suspension-forming agent. Method for preparing composition resides in mixing together all these components to obtain homogeneous suspension which is spray-dried till residual moisture content 1-3 wt.-%. Powder is subjected to compacting or extrusion to produce solid dosed from containing effective amount of biologically active, low-water-soluble principle with melting point at 1000 C, adjuvants and 28-63 wt.-% of carrier. EFFECT: higher protection of plants. 8 cl, 6 tbl

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RU 2 111 663 C1

Authors

Dev Kumar Mekhra[Us]

Nagui Iskander Ibragim[Us]

Ehdvin Dzhordzh Flek[Us]

Dates

1998-05-27Published

1992-01-06Filed