FERTILIZER WITH BIODEGRADABLE COATING

The present invntion relates to a method of manufacturing solid fertilizers with at least two biodegradable polymer layers. These fertilizers are produced by applying to the surface aqueous dispersions containing polymers with ester groups and dispersions containing polymers with urethane and/or ure...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WISSEMEIER, ALEXANDER, HAEHNDEL, REINHARDT, HAEBERLE, KARL, HORCHLER, KLAUS, WILLKOMMEN, SIMONE
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY FERTILISERS FERTILISERS CHARACTERISED BY THEIR FORM MANUFACTURE THEREOF METALLURGY MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENTSUBCLASSES OF CLASS C05 MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVINGA SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES,SOIL-CONDITIONERS, WETTING AGENTS
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Beschreibung
Zusammenfassung:	The present invntion relates to a method of manufacturing solid fertilizers with at least two biodegradable polymer layers. These fertilizers are produced by applying to the surface aqueous dispersions containing polymers with ester groups and dispersions containing polymers with urethane and/or urea groups.