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887 results about "Chlorothalonil" patented technology

Chlorothalonil (2,4,5,6-tetrachloroisophthalonitrile) is an organic compound mainly used as a broad spectrum, nonsystemic fungicide, with other uses as a wood protectant, pesticide, acaricide, and to control mold, mildew, bacteria, algae. Chlorothalonil-containing products are sold under the names Bravo, Echo, and Daconil. It was first registered for use in the US in 1966. In 1997, the most recent year for which data are available, it was the third most used fungicide in the US, behind only sulfur and copper, with 12 million pounds (5.4 million kilograms) used in agriculture that year. Including nonagricultural uses, the United States Environmental Protection Agency (EPA) estimates, on average, almost 15 million lb (6.8 million kg) were used annually from 1990 to 1996.

Composition, method of making, and treatment of wood with an injectable wood preservative slurry having biocidal particles

A method of preserving wood includes injecting into the wood an effective amount of a aqueous wood-injectable biocidal slurry, said a wood-injectable biocidal slurry containing dispersants and sub-micron biocidal particles selected from at least one of the following classes: 1) a plurality of particles containing at least 25% by weight of a solid phase of sparingly soluble salts selected from copper salts, nickel salts, tin salts, and/or zinc salts; 2) a plurality of particles containing at least 25% by weight of a solid phase of sparingly soluble metal hydroxides selected from copper hydroxide, nickel hydroxide, tin hydroxide, and/or zinc hydroxide; 3) a plurality of particles containing at least 25% by weight of a solid phase comprising a substantially-insoluble organic biocide selected from triazoles, chlorothalonil, iodo-propynyl butyl carbamate, copper-8-quinolate, fipronil, imidacloprid, bifenthrin, carbaryl, strobulurins, and indoxacarb; 4) a plurality of particles containing on the outer surface thereof a substantially-insoluble organic biocide; 5) a plurality of particles containing a solid phase of a biocidal, partially or fully glassified composition comprising at least one of Zn, B, Cu, and P. The particles may advantageously contain metallic copper, a leachability barrier, pigments, dyes, or other adjuvants disposed on the outer surface thereof.
Owner:OSMOSE

Milled submicron chlorothalonil with narrow particle size distribution, and uses thereof

A method of milling chlorothalonil to form a sub-micron product having a narrow particle size distribution is presented. The milling involves wet milling of the chlorothalonil with high density milling media having a diameter between 0.1 mm and 0.8 mm, preferably between 0.2 mm and 0.7 mm, and a density equal to or greater than 3.8 g / cc, preferably greater than 5.5 g / cc, in a ball mill using between about 40% and 80% loading of the mill volume with milling media, and having the chlorothalonil suspended in an aqueous milling liquid which comprises one or more surface active agents. The milling speed is preferably high, for example from about 1000 rpm to about 4000 rpm. The milled product can be used in foliar applications at a lower effective dosage than prior art formulations, can be used in improved antifouling paint formulations, and can be used in new applications such as the direct injection of solid chlorothalonil particulates in wood to act as a long lasting wood preservative.
Owner:KOPPERS PERFORMANCE CHEM

Pyraclostrobin-containing ultralow-volume liquid preparation

The invention discloses a pyraclostrobin-containing ultralow-volume liquid preparation. The pyraclostrobin-containing ultralow-volume liquid preparation is characterized in that the pyraclostrobin-containing ultralow-volume liquid preparation comprises an active ingredient of pyraclostrobin, or a complex of pyraclostrobin and an active component II, or a complex of pyraclostrobin and any two substances of the active component II, and the balance auxiliary agents and solvents; the active component II is any one of prochloraz, prothioconazole, difenoconazole, epoxiconazole, tebuconazole, hexaconazole, isoprothiolane, thifluzamide, fenoxanil, dimethomorph and chlorothalonil. The pyraclostrobin-containing ultralow-volume liquid preparation can be utilized for preventing and treating rice blast, bakanae disease, banded sclerotial blight, wheat and barley fusarium head blight, smut and the like, has high work efficiency, a low use amount of preparation water, a long persistent period, a synergism effect and high safety, and can delay resistance.
Owner:GAUNGXI TIANYUAN BIOCHEM

Method for manufacturing dendrobium officinale artificial seeds

The invention provides a practical technique for breeding dendrobium officinale by using artificial seeds. The invention aims to provide a technique for breeding dendrobium officinale with high efficiency and low cost. The technique comprises the following steps of: inducing dendrobium officinale seeds on a germination culture medium to obtain protocorms, then performing propagation culture on the protocorms, transferring the protocorms to MS culture solution containing 0.5mg / L of ABA to perform shaking culture (100r / min), and replacing the culture solution once every 10 days; selecting the protocorms with length * width of about 0.5-1.5mm * 2.0-3.4mm as embedding propagation bodies by using a 6-mesh nylon mesh screen after 30 days, manufacturing the artificial seeds by adopting an instillation method, preparing basic artificial endosperm from MS, 0.5 mg / L of BA, 0.5mg / L of NAA, 0.3 percent of AC, 3 percent of sodium alginate and 0.3 percent of chlorothalonil, adding 1.5 to 2.0 percent of starch, 1.0 to 2.0 percent of water-retaining agent and 1.0 to 3.0 percent of nano TiO2 into the basic artificial endosperm, preparing artificial seed coat matrix by adding 2 percent of chitosan and 5.0 to 10 percent of nano TiO2 into sodium alginate, and performing germination and storage research of the artificial seeds.
Owner:刘宏源 +1

Method of preparing chlorothalonil with hexachlorobenzene content lower than 10ppm

The invention relates to a method of preparing chlorothalonil with hexachlorobenzene content lower than 10ppm. According to the method, modified coconut shell activated carbon is used as a catalyst, the chlorothalonil is prepared on a large scale by virtue of an improved composite bed process, and the content of hexachlorobenzene in a final product is lower than 10ppm. By adopting the method disclosed by the invention, the content of hexachlorobenzene in the final product is reduced to be lower than 10ppm, the conversation ratio of isophthalonitrile is increased to be not smaller than 96%, the purity of the tetrachloroisophthalonitrile product is increased to be not lower than 99%, the yield is increased to be not lower than 93%, the service life of activated carbon is over 600 hours, and the large-scale production of the chlorothalonil with hexachlorobenzene content lower than 10ppm is realized.
Owner:JIANGYIN SULI CHEM

Phosphorus nitrogen boron lumber combustion inhibitor

The invention relates to a phosphorus-nitrogen-boron wood flame retardant, which is characterized in that the range of each component name and weight percentage of the compositions comprises: 70 to 80 percent of 8-sodium diborate and 18 to 30 percent of one or two of inorganic phosphorus-nitrogen compound and water soluble ammonium polyphosphate, wherein the inorganic phosphorus-nitrogen compound is one or more of ammonium phosphate, diammonium phosphate and monoammonium phosphate. A germicide with the weight percentage of between 0.7 and 3 percent or/and a staining agent with the weight percentage of between 0.7 and 7 percent can be added to the phosphorus-nitrogen-boron wood flame retardant, wherein the germicide is one or more of chlorothalonil, sanmate and tebuconazol; and the staining agent is one or more of malachite green, alkali red, alkali blue, alkali yellow and alkali black. The phosphorus-nitrogen-boron wood flame retardant can be dissolved in water and the concentration of the wood flame retardant is less than or equal to 20 percent. Wood subjected to treatment through the phosphorus-nitrogen-boron wood flame retardant has the effects of good flame retardant effect, small hygroscopicity, corrosion resistance, insect prevention, mildew prevention, more color change and so on. The phosphorus-nitrogen-boron wood flame retardant has the advantages of low toxicity, no chlorine and lower cost.
Owner:GUANGDONG ACAD OF FORESTRY +1

Production method of low hexachlorobenzene content chlorothalonil

The present invention discloses a production method of chlorothalonil with low hexachlorobenzene content. Said production method includes the following steps: firstly, vapourizing m-dicyanobenzene, using nitrogen gas to carry out the vapourized m-dicyanobenzene from the vapourizer, making the vapourized m-dicyanobenzene be mixed with chlorine gas, and making them be fed into fluidized bed to make first-step reaction, making the reaction product be further mixed with chlorine gas and feeding them into fixed bed to make chlorination, condensing and collecting the outputted mixed gas so as to oblain the invented chlorothalonil product.
Owner:YUNNAN CHEM RES INST

Method for culturing oil peonies

The invention discloses a method for culturing oil peonies. The method comprises the following steps of (1) seedling plant processing, seedling plants are soaked in a 800-fold thiram solution for 15 min to 20 min, and then are dried to be planted; (2), culturing, culturing is carried out according to the seed spacing of 20*25 cm, in the culturing process, a shovel is inserted into the ground to drive open a gap, a seedling is put into the gap, and is slightly lifted to enable the rootstock portion to be 1 cm to 2 cm lower than the ground, and planting holes are sealed into ridges of 10 cm to 20 cm; (3), fertilization, in the first year of planting, fertilization is avoided, and from the second year of planting, fertilizer is applied twice every year; (4) pest control, at the early march, 10 to 15 kilograms of phoxim granules are applied to per mu; at the mid to late April, 600 to 800-fold liquid of 70 percent of thiophanate methyl is sprayed and applied before 7 days to 10 days of the flowering phase; from beginning of the last ten-day of May, 600 to 800- fold liquid of carbendazim or thiophanate methyl or chlorothalonil is sprayed and applied at intervals of 15 days to 20 days. According to the method, the seed setting rate of the oil peonies is improved, the method is large in seed setting amount and oil yield, and increasing of vegetable oil consumption per capita is met.
Owner:CHONGQING CITY ZEGUAN ECOLOGY AGRI
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