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Enveloped pesticidal formulations

a technology of pesticidal formulations and envelopes, which is applied in the field can solve the problems of insufficient stability of enveloped pesticidal formulations, degenerate envelope materials, and blockage of sprayers

Inactive Publication Date: 2006-03-23
SUMITOMO CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0005] In the solid pesticidal formulations such as wettable powders, water dispersible granules and water soluble formulations enveloped in a water soluble substance, the present invention provides an excellent enveloped pesticidal formulation that is characteristic of stability even after preserved for a long time. Said enveloped pesticidal formulation has a specific water soluble compound in a solid pesticidal formulation and can solve the former problems.

Problems solved by technology

However, these enveloped pesticidal formulations are not sufficiently stable.
It was troublesome that the envelope material may degenerate while they are preserved for a long time and may be broken while preserved or transported, and further a sprayer may be blocked in case of applying the dilution to plants.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0034] Twenty (20) parts by weight of procymidone (fungicidally active compound), 4 parts by weight of Sorpol 5029-o (surfactant produced by Toho Chemical), 2 parts by weight of Demol SNB (surfactant produced by Kao), 60 parts by weight of Carplex CS-7 (white carbon produced by Shionogi & Co.), 10 parts by weight of glycerin and 4 parts by weight of Shokozan SP Clay (clay produced by Shokozan Kogyosho) were well mixed by a juice mixer and pulverized by a centrifugal mill to give wettable powders. Ten grams (10.0 g) of the wettable powders obtained above were enveloped in length 90 mm×width 70 mm of Solblon KC#30 (film comprising mainly polyvinyl alcohol, manufactured by Aicello Chemical). The obtained enveloped pesticidal formulation was wrapped up in a processed aluminum bag (length 100 mm×width 80 mm, polypropylene / polyethylene / aluminum / polyethylene structure) and heat-sealed.

example 2

[0035] The same procedures were performed as Example 1, except that 5 parts by weight of ethylene glycol were used in place of 10 parts by weight of glycerin and that the used amount of Shokozan SP Clay was 9 parts by weight, to give an enveloped pesticidal formulation. Then, the obtained enveloped pesticidal formulation was wrapped up in a processed aluminum bag (length 100 mm×width 80 mm, polypropylene / polyethylene / aluminum / polyethylene structure) and heat-sealed.

reference example 1

[0036] The same procedures were performed as Example 1, except that glycerin was not used and that the used amount of Shokozan SP Clay was 14 parts by weight, to give an enveloped pesticidal formulation. Then, the obtained enveloped pesticidal formulation was wrapped up in a processed aluminum bag (length 100 mm×width 80 mm, polypropylene / polyethylene / aluminum / polyethylene structure) and heat-sealed.

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PUM

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Abstract

A solid pesticidal formulation, such as wettable powders, water dispersible granules and water soluble formulations, enveloped in a water soluble substance, such as polyvinyl alcohol and so on, wherein the solid pesticidal formulation comprises at least one water soluble hydroxy compound selected from the group consisting of alkanols, alkylene glycols, glycol monoethers, tri- or more valent alcohols, alcoholamines, hydroxyfatty acids and hydroxyfatty acid esters, or water soluble glycol ether acetates is excellent in stability after preserved.

Description

CROSS-REFERENCE TO RELATED APPLICATION [0001] This is a divisional of application Ser. No. 09 / 485,820, which is a national stage of International Application No. PCT / JP99 / 03166, filed Jun. 14, 1999, the entire disclosures of the prior applications are considered part of the disclosure of the present application and are hereby incorporated by reference.TECHNICAL FIELD [0002] The present invention relates to an enveloped pesticidal formulations. BACKGROUND ART [0003] In pesticidal formulations, wettable powders, water dispersible granules, water soluble formulations and the like are solid formulations, but they are applied to the objected plants, cultivated soil and the like as their diluted solution after diluted with water. The solid formulations enveloped in water soluble polymer film or water soluble paper, which can be applied into water to give a dilution as they are, are described for the purpose of preventing a drift of the solid formulations and further saving labor when prep...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A01N25/08A01N25/34
CPCA01N25/34
Inventor UEDA, NOBUHITOOHTSUBO, TOSHIRO
Owner SUMITOMO CHEM CO LTD