Sustained release, solid pesticidal compositions comprising wate

Details Sustained release, solid pesticidal compositions comprising wate Sustained release, solid pesticidal compositions comprising wate

1997-09-29

1999-11-02

Clardy, S. Mark

Plant protecting and regulating compositions

Plant growth regulating compositions

424405, A01N 2510, A01N 2512, A01N 2526

Patent

active

059770236

ABSTRACT:
There are discolsed a pesticidal composition containing a water-insoluble alginate, which is prepared by treating a solid composition containing (a) a pesticidally active ingredient which is a pest-controlling active ingredient or a plant growth-regulating active ingredient and (b) an alginic acid or a water-soluble alginate with an aqueous solution containing a divalent or polyvalent cation which can convert said alginic acid or water-soluble alginate into a water-insoluble alginate. Also disclosed is a pesticidal composition containing a water-insoluble alginate, which is prepared by coating a solid substance containing the pesticidally active ingredient with a water-insoluble alginate. The composition of the invention has excellent sustained-release effects of the pesticidally active ingredient.

REFERENCES:
patent: 4400391 (1983-08-01), Connick, Jr.
patent: 4401456 (1983-08-01), Connick, Jr.
patent: 5009710 (1991-04-01), Bewsey
Journal of Controlled Release, vol. 17, No. 1, Sep. 1991, Amsterdam NL, pp. 105-111.
A. Pepperman et al., "Slow release formulations of metribuzin based on alginate-kaolin-linseed oil", Journal of Controlled Release, 26, 1993, pp. 21-30.
A. Pepperman et al., "Alginate controlled release formulations of metribuzin", Journal of Controlled Release, 17, 1991, pp. 105-112.

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