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Herbicidal compositions comprising acifluorfen sodium

A technology of acifluorfen and composition, applied in the field of herbicide formulations, capable of solving problems such as unsuccessful attempts to prepare emulsifiable concentrates of acifluorfen sodium

Active Publication Date: 2016-03-23
UNITED PHOSPHORUS LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

To date, no successful attempt has been made to formulate an emulsifiable concentrate of acifluorfen sodium or fomesafen sodium and clodinafop-propargyl

Method used

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  • Herbicidal compositions comprising acifluorfen sodium
  • Herbicidal compositions comprising acifluorfen sodium
  • Herbicidal compositions comprising acifluorfen sodium

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0131] Example 1: Acifluorfen Sodium 16.5% w / w EC was prepared as follows:

[0132] Element

[0133] The desired amounts of cyclohexanone and xylene are mixed in a mixing vessel to form a first homogeneous mixture. The required amount of acifluorfen sodium is then added with stirring at ambient temperature to form a second homogeneous mixture. Calcium dodecylbenzenesulfonate and nonylphenol ethoxylate and stabilizer are added to the second homogeneous mixture with stirring to obtain a homogeneous mixture, which is filtered to obtain the target emulsifiable concentrate.

Embodiment 2

[0135] Element

[0136] Acifluorfen sodium 16.5% w / w comprising a combination of N-methylpyrrolidone and xylene was prepared following the procedure in Example 1.

Embodiment -2

[0138] Example 1

[0139] Acifluorfen sodium 16.5% w / w and clodinafop propargyl 8% w / w EC were prepared as follows:

[0140] Element

[0141] The desired amounts of cyclohexanone and xylene are mixed in a mixing vessel to form a first homogeneous mixture. The required amounts of acifluorfen sodium and clodinafop-propargyl are then added at ambient temperature with stirring to form a second homogeneous mixture. Calcium dodecylbenzenesulfonate and nonylphenol ethoxylate and stabilizer were added to the second homogeneous mixture with stirring to obtain a homogeneous mixture, and the resulting mixture was filtered.

[0142] Example 2

[0143] Element

[0144] According to the method of Example 1, acifluorfen sodium 16.5% w / w and clodinafop-propargyl 8% w / w EC containing a combination of N-methylpyrrolidone and xylene in a weight ratio of 4:1 were prepared.

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PUM

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Abstract

The herbicidal formulation comprising acifluorfen sodium and processes for the preparation of same are disclosed. The present invention also discloses herbicidal formulation comprising acifluorfen sodium and a second active. The herbicidal formulations of the present invention are non phytotoxic and stable.

Description

technical field [0001] The present invention relates to herbicidal formulations comprising acifluorfen sodium. Background technique [0002] In agriculture, crop defense against weeds and other plants that inhibit crop growth is a recurring problem. To help combat this problem, researchers in the field of synthetic chemistry have produced numerous chemical substances and chemical formulations effective in controlling this unwanted growth. Many types of chemical herbicides have been disclosed in the literature, and many are in commercial use. [0003] Selective herbicides kill specific targets while leaving the desired crop relatively unharmed. Some of them work by interfering with weed growth and tend to be synthetic "mimics" of plant hormones. Herbicides used to clean up dumps, industrial sites, railroads and railroad embankments are non-selective and kill all plant matter that comes in contact with them. [0004] Unfortunately, many of these herbicides exhibit phytotox...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N37/48A01N41/06A01N43/40A01P13/00
CPCA01N37/48
Inventor 加德夫·拉耶尼肯特·施洛夫维克拉姆·拉耶尼肯特·施洛夫阿希姆·库马尔·杜塔
Owner UNITED PHOSPHORUS LTD