A - Human Necessities – 01 – N
Patent
A - Human Necessities
01
N
A01N 25/10 (2006.01) A01N 43/56 (2006.01) A01N 43/76 (2006.01) A01N 47/36 (2006.01)
Patent
CA 2408219
The invention relates to the combination of an agrochemical active substance, especially herbicides from the group of the sulfonyl ureas, with a polymer while forming hydrogen bridges for the controlled release of said active substance. The polymer and the active substance have functional groups that facilitate the formation of hydrogen bridges. The preferred polymers are polyvinyl alcohols or partially saponified polyvinyl acetates.
La présente invention concerne la combinaison d'un principe actif agrochimique, en particulier d'un herbicide du groupe des sulfonylurées et d'un polymère avec formation de ponts d'hydrogène, pour la libération contrôlée de ce principe actif. Ledit polymère ainsi que le principe actif présentent des groupes fonctionnels permettant la formation de ponts d'hydrogène. Les polymères préférés sont les poly(alcools de vinyle) ou des acétates de polyvinyle.
Bickers Udo
Frisch Gerhard
Hacker Erwin
Huff Hans Philipp
Kocur Jean
Bayer Cropscience Gmbh
Fetherstonhaugh & Co.
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