Chemistry: fertilizers – Processes and products – Forms or conditioning
Patent
1990-06-27
1992-01-07
Rollins, John W.
Chemistry: fertilizers
Processes and products
Forms or conditioning
424405, 424409, 514937, A01N 2530, A01N 2522, A01N 2500
Patent
active
050787829
ABSTRACT:
A pesticidal concentrate comprising a pesticidal component suspended in an oily component, the composition comprising 1-55% by weight of pesticide, 20-90% by weight of the oily component and 1-45% by weight of a surfactant component, and optionally water and optionally filler, the surfactant component comprising one or more stabilizing constituents comprising a C.sub.5-30 hydrocarbylene chain carrying a group capable of forming hydrogen bonds with water, and optionally one or more other constituents selected from the group consisting of non-ionic and ionic surfactants, the stabilizing constituent being present in an amount of at least 4% by weight, calculated on the total amount of surfactant component in the composition.
Examples of stabilizing constituents are fatty alcohols and amino group-containing surfactants, especially ampholytes.
Pesticidal concentrate compositions comprising 1-55% by weight of finely ground dithiocarbamate or glyphosate suspended in 10-90% by weight of an oily component and comprising 1-50% by weight of a surfactant component, calculated on the total composition, may be prepared.
The pesticidal concentrate compositions are used in the preparation of ready-to-use-spray liquid, normally comprising 0.1-10% of concentrate and 90-99.9% of water.
REFERENCES:
patent: 3671571 (1972-06-01), Koenig et al.
patent: 4460406 (1984-07-01), Valange
Gruzden, G. S., ed., "Chemical Protection of Plants," Moscow, Kolos Publishers, 1980, pp. 332-333.
Mansson Sven
Nielsen Erik
Berol Nobel (Suisse) S.A.
Gitomer Ralph
Rollins John W.
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