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Insecticidal composition based on pyrethrins and essential oils and process for its obtainment
专利权人:
发明人:
申请号:
EP12464032.7
公开号:
EP2737796A1
申请日:
2012.12.04
申请国别(地区):
EP
年份:
2014
代理人:
摘要:
The insecticide composition consists of 50% pyrethrum concentrate, essential oils from dill seeds, Anethum graveolens, and/or from parsley seeds Petroselinum crispum and/or lovage leaves, Levisticum officinale, non-ionic surfactant agents of vegetal origin, sodium coco sulfate, soy lecithin, coco-glucoside and solvent S. The method for obtaining involves the following stages: preparing the solvent S by the transesterification reaction of vegetable oils from sunflower and/or rapeseed and/or soybean, in an excess of ethylic alcohol and in the presence of potassium hydroxide extraction of essential oils from the vegetal material by maceration for 14 days at a temperature of 20-25°C in the solvent S filtering the maceration obtaining the solvent S with content of essential oils, used to obtain insecticide compositions with pyrethrins.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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