A - Human Necessities – 01 – N
Patent
A - Human Necessities
01
N
A01N 25/30 (2006.01) A01N 25/02 (2006.01) A01N 31/14 (2006.01) A01N 57/20 (2006.01) A01N 57/22 (2006.01) A01P 13/00 (2006.01)
Patent
CA 2312230
The invention relates to surfactant systems for liquid aqueous or aqueous- organic formulations containing a mixture comprised of one or several basic cosurfactants and one or several surfactants from the group of phosphoric acid esters. The surfactant systems enable the production of stable liquid formulations for active substances, whereby said formulations contain (a) one or several water soluble active substances (type (a)), (b) optionally one or several water-insoluble active substances (type (b)), optionally organic solvents and (d) the above-mentioned surfactant system and water. The formulations are either one- phase aqueous or aqueous-organic formulations of type (a) active substances, e.g. glufosinate-ammonium or glyphosate (salts) or microemulsions of type (a) and type (b) active substances, e.g. diphenyl ether herbicides.
L'invention concerne des systèmes tensioactifs destinés à des formulations aqueuses ou organiques aqueuses liquides, qui comprennent un mélange constitué d'un ou plusieurs cotensioactifs basiques et d'un ou plusieurs tensioactifs du groupe des esters de l'acide phosphorique. Ces systèmes permettent de préparer des formulations liquides stables de substances actives, qui comprennent: a) une ou plusieurs substances actives hydrosolubles de type (a); b) éventuellement une ou plusieurs substances actives de type (b); c) éventuellement des solvants organiques; et d) le système tensioactif ci-dessus et de l'eau. Ces formulations sont soit des formulations aqueuses monophasiques ou des formulations organiques aqueuses de substances actives de type (a), telles que l'ammonium de glufosinate ou bien des glyphosates (sels), soit des micro-émulsions de substances actives de type (a) ou (b), telles que des herbicides à base de diphényléther.
Maier Thomas
Wurtz Jochen
Aventis Cropscience Gmbh
Bayer Cropscience Ag
Fetherstonhaugh & Co.
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