CONTROLLED RELEASE COPPER SULFATE FOR PHYTOPLANKTON CONTROL

A controlled release copper sulfate algaecide for controlling phytoplankton growth, including blue green algae is described. The controlled release algaecide includes a copper sulfate granule coated with at least one layer including a polyurethane which is a reaction product of a polymeric diisocyan...

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Hauptverfasser: HARGROVE, GARRARD L, WILSON, ROBERT SCOTT
Format: Patent
Sprache:eng ; fre
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Zusammenfassung:A controlled release copper sulfate algaecide for controlling phytoplankton growth, including blue green algae is described. The controlled release algaecide includes a copper sulfate granule coated with at least one layer including a polyurethane which is a reaction product of a polymeric diisocyanate and a polyol. L'invention concerne un algicide de sulfate de cuivre à libération contrôlée permettant de réguler la prolifération du phytoplancton, tel que des algues bleu-vert. L'algicide à libération contrôlée comprend un granule de sulfate de cuivre enrobé d'au moins une couche comprenant un polyuréthane qui est un produit de réaction d'un diisocyanate polymère et d'un polyol.