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1. WO2020007018 - FOOD-GRADE MOSQUITO LARVICIDE, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

Publication Number WO/2020/007018
Publication Date 09.01.2020
International Application No. PCT/CN2019/000127
International Filing Date 17.06.2019
IPC
A HUMAN NECESSITIES
01
AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
N
PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
47
Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
40
the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides
46
containing -NCS groups
A HUMAN NECESSITIES
01
AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
N
PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
25
Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
02
containing liquids as carriers, diluents or solvents
04
Dispersions or gels
A HUMAN NECESSITIES
01
AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
N
PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
25
Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
12
Powders or granules
A HUMAN NECESSITIES
01
AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
N
PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
25
Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
08
containing solids as carriers or diluents
10
Macromolecular compounds
A HUMAN NECESSITIES
01
AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
N
PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
25
Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
08
containing solids as carriers or diluents
A01N 47/46 (2006.01)
A01N 25/04 (2006.01)
A01N 25/12 (2006.01)
A01N 25/10 (2006.01)
A01N 25/08 (2006.01)
CPC
A01N 25/04
A01N 25/08
A01N 25/10
A01N 25/12
A01N 47/46
Applicants
  • 王渊 WANG, Yuan [CN/CN]; CN
  • 王雪平 WANG, Xueping [CN/CN]; CN
Inventors
  • 王渊 WANG, Yuan; CN
  • 王雪平 WANG, Xueping; CN
  • 刘起勇 LIU, Qiyong; CN
  • 卢金星 LU, Jinxing; CN
  • 王毅 WANG, Yi; CN
  • 程璟侠 CHENG, Jingxia; CN
  • 孟凤霞 MENG, Fengxia; CN
  • 李兴 LI, Xing; CN
  • 任东生 REN, Dongsheng; CN
  • 徐海军 XU, Haijun; CN
  • 张永光 ZHANG, Yongguang; CN
  • 冯帅 FENG, Shuai; CN
  • 刘小波 LIU, Xiaobo; CN
Agents
  • 北京科龙寰宇知识产权代理有限责任公司 KELONG INTERNATIONAL INTELLECTUAL PROPERTY AGENCY LTD.; CN
Priority Data
201810739257.706.07.2018CN
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) FOOD-GRADE MOSQUITO LARVICIDE, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF
(FR) LARVICIDE ANTI-MOUSTIQUE DE QUALITÉ ALIMENTAIRE, SON PROCÉDÉ DE PRÉPARATION ET SON APPLICATION
(ZH) 一种食品级灭蚊幼制剂及其制备方法和应用
Abstract
(EN)
A food-grade mosquito larvicide, a preparation method therefor and application thereof. The effective ingredient in the mosquito larvicide is propylene isothiocyanate. The death rate of mosquito larvae can reach 90-100% by 5-50 ppm of propylene isothiocyanate which has higher safety and effect and lower use cost than dithiophosphate. The mosquito larvicide is prepared from the following raw materials in percentage by weight: 1-40% of propylene isothiocyanate, 2-40% of emulsifier, and 20-97% of carrier. A preparation method for the food-grade propylene isothiocyanate mosquito larvicide, comprising a high-pressure homogenizing technology. Proofed by experiments, the mosquito larvicide is diluted by water until the concentration of the propylene isothiocyanate is 5-50 ppm and then is sprayed to the surface of water body, such that the mosquito larvae can be quickly killed. The very important meaning is realized on reducing the pollution number of mosquito larvae and protecting the ecological environment.
(FR)
La présente invention concerne un larvicide anti-moustique de qualité alimentaire, son procédé de préparation et son application. Le principe actif dans le larvicide anti-moustique est l'isothiocyanate de propylène. Le taux de mortalité des larves de moustiques peut atteindre 90-100 % pour 5-50 ppm d'isothiocyanate de propylène qui a une sécurité et un effet plus élevés et un coût d'utilisation plus faible que le dithiophosphate. Le larvicide anti-moustique est préparé à partir des matières premières suivantes en pourcentage en poids : 1 à 40 % d'isothiocyanate de propylène, 2 à 40 % d'émulsifiant, et 20 à 97 % de support. L'invention concerne également un procédé de préparation du larvicide anti-moustique isothiocyanate de propylène de qualité alimentaire, comprenant une technologie d'homogénéisation haute pression. À l'aide d'expériences, le larvicide anti-moustique est dilué par de l'eau jusqu'à ce que la concentration de l'isothiocyanate de propylène soit de 5 à 50 ppm, puis il est pulvérisé sur la surface du corps d'eau, de telle sorte que les larves de moustiques peuvent être rapidement tuées. La signification très importante est réalisée sur la réduction de la quantité de pollution des larves de moustiques et la protection de l'environnement écologique.
(ZH)
一种食品级灭蚊幼制剂及其制备方法和应用。所述的灭蚊幼制剂中的有效成分为异硫氰酸丙烯酯,含量为5~50ppm的异硫氰酸丙烯酯对蚊幼的致死率可达90~100%,而且其安全性、药效和使用成本优于双硫磷。所述的灭蚊幼制剂由以下重量百分比的各原料组成:异硫氰酸丙烯酯1~40%,乳化剂2~40%,载体20~97%。一种制备食品级异硫氰酸丙烯酯灭蚊幼制剂的方法,包括高压均质工艺。实验证明,用水将所述的灭蚊幼制剂稀释至异硫氰酸丙烯酯浓度为5~50ppm,喷于水体表面,可快速杀灭蚊幼虫。对减少蚊幼种群数量和保护生态环境具有非常重要的意义。
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