METHOD FOR PREPARING SOLVENT-FREE SUSPENSION

Title:

METHOD FOR PREPARING SOLVENT-FREE SUSPENSION

Document Type and Number:

Japanese Patent JP3776399

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To provide a method for preparing a solvent-free suspension of low- melting point and water-insoluble solid agrochemical active ingredients.
SOLUTION: The method for preparing the solvent-free suspension comprises suspending 1-40 wt.% silica-based carrier in 40-97 wt.% water in the presence of 1-40 wt.% anionic dispersant, heating the resultant suspension to a temperature not lower than that of the active ingredient and adding, with stirring, 1-25 wt.% active ingredient with a melting point of ≤80°C or mixture of at least two kinds of active ingredients, where each component of the mixture has a melting point of ≤80°C. A stable concentrated suspension, a water- dispersible powder and water-dispersible particles each using the suspension as a base are each prepared by the method.

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Inventors:

Mattias Bratz
Karl-Friedrich Jaeger

Application Number:

JP2002362122A

Publication Date:

May 17, 2006

Filing Date:

December 13, 2002

Export Citation:

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Assignee:

BASF Aktiengesellschaft

International Classes:

A01N25/04; A01N25/08; A01N25/14; A01N31/14; A01N33/18; A01N33/20; A01N33/22; A01N37/06; A01N37/10; A01N37/22; A01N37/32; A01N37/34; A01N37/38; A01N39/04; A01N41/04; A01N43/08; A01N43/24; A01N43/28; A01N43/36; A01N43/40; A01N43/42; A01N43/50; A01N43/54; A01N43/56; A01N43/58; A01N43/60; A01N43/653; A01N43/824; A01N43/84; A01N47/12; A01N47/18; A01N47/22; A01N47/34; A01N47/38; A01N53/04; A01N53/08; A01N55/00; A01N55/02; A01N57/10; A01N57/14; A01N57/16; A01N57/22; A01N59/00; A01N61/00; (IPC1-7): A01N25/08; A01N31/14; A01N33/18; A01N33/20; A01N33/22; A01N37/06; A01N37/10; A01N37/22; A01N37/32; A01N37/34; A01N39/04; A01N41/04; A01N43/08; A01N43/24; A01N43/28; A01N43/36; A01N43/40; A01N43/42; A01N43/50; A01N43/54; A01N43/56; A01N43/58; A01N43/60; A01N43/653; A01N43/824; A01N43/84; A01N47/12; A01N47/18; A01N47/22; A01N47/34; A01N47/38; A01N53/04; A01N53/08; A01N55/00; A01N55/02; A01N57/10; A01N57/14; A01N57/16; A01N57/22; A01N59/00; A01N61/00

Domestic Patent References:

JP56120609A
JP63033303A
JP2306903A
JP2001055302A
JP9235203A

Attorney, Agent or Firm:

Yusuke Hiraki
Satoshi Fujita
Ishii Teiji

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