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Solid herbicidal compositions containing safeners

A herbicidal composition and composition technology, applied in biocides, animal repellents, plant growth regulators, etc.

Active Publication Date: 2020-08-04
CORTEVA AGRISCIENCE LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In today's pesticide market, it is common to develop new formulations that contain multiple active ingredients, safeners and / or excipients etc. to achieve optimal profile, potency and delivery efficiency, thus making formulation development more challenging

Method used

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  • Solid herbicidal compositions containing safeners
  • Solid herbicidal compositions containing safeners
  • Solid herbicidal compositions containing safeners

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0071] Dispersion and Total Suspension Test Method

[0072] Dispersion time measurement

[0073] a) The particles of 0.1g sample are placed in a 25mL beaker;

[0074] b) Add 100 mL of 342 ppm hard water to a 100 mL stoppered graduated cylinder at room temperature;

[0075] c) Pour the granules into a graduated cylinder. Start to stop the watch. Insert the bung into the barrel and immediately flip 180o, then return to original position. The whole operation is completed in about 2 seconds.

[0076] d) The above inversion is repeated thereafter at intervals of 10 seconds. After each complete inversion, check the sample for the presence of undispersed or undissolved particles. The sample is continuously inverted until all particles are dispersed or dissolved.

[0077] Total Suspension Rate Measurement

[0078] a) Weigh out enough sample (b grams) to prepare 250 mL of a suspension in water at the concentration recommended in the product instructions.

[0079] b) Put the...

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PUM

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Abstract

A solid herbicidal composition is provided in granular form, comprising pyroxsulam and cloquintocet acid. These solid herbicidal compositions have excellent storage stability, are prepared in a simple and effective manner, and are easy to wet, disperse and form stable suspensions in cold water.

Description

Background technique [0001] Agricultural formulation products must be physically and chemically stable for a defined period of time to be commercially useful. There are many reasons for formulation instability, including instability of the active ingredient (e.g. chemical degradation of the active ingredient), physical instability such as phase separation (Ostwald ripening, crystallization, sedimentation, emulsion delamination, etc.) or environmental factors (Temperature, humidity / moisture, etc.). In today's pesticide market, it is common to develop new formulations containing multiple active ingredients, safeners, and / or excipients, etc., to achieve optimal profiles, effectiveness, and delivery efficiency, thus making formulation development more challenging . Contents of the invention [0002] Solid herbicidal compositions are provided. Solid herbicidal compositions include: [0003] a) from about 50 grams of active ingredient per kilogram (g ai / kg) to about 600 g ai / k...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N25/12
CPCA01N25/26A01N43/42A01N43/90A01N25/12A01N25/32
Inventor J·C·赫坎姆M·李H·邵H·沈H·张
Owner CORTEVA AGRISCIENCE LLC