PLA / PHA BIODEGRADABLE COATINGS FOR SEEDS, FERTILIZERS AND PESTICIDES

A granular composition for agricultural is disclosed. The granular composition is made up of a plurality of granulates having a biodegradable coating applied over the granulates. The granulates are selected from the group consisting of seeds, fertilizers, and pesticides. The biodegradable coating is...

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Bibliographische Detailangaben
Hauptverfasser:	LOCKLIN, JASON JOHN, GRUBBS, JOE B
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES CHEMISTRY FERTILISERS FERTILISERS CHARACTERISED BY THEIR FORM FERTILISING FISHING FORESTRY HUMAN NECESSITIES HUNTING 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 PEST REPELLANTS OR ATTRACTANTS PLANT GROWTH REGULATORS PLANTING PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF SOWING TRAPPING
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Beschreibung
Zusammenfassung:	A granular composition for agricultural is disclosed. The granular composition is made up of a plurality of granulates having a biodegradable coating applied over the granulates. The granulates are selected from the group consisting of seeds, fertilizers, and pesticides. The biodegradable coating is made up of polylactic acid and polyhydroxyalkanoates. A method for making the coated granular composition and a method for controlled release of the granular material in the field are also disclosed. L'invention concerne une composition granulaire pour l'agriculture. Cette composition granulaire est constituée d'une pluralité de granulés pourvus d'un revêtement biodégradable appliqué sur les granulés. Ces granulés sont choisis dans le groupe constitué par les semences, les engrais et les pesticides. Le revêtement biodégradable est constitué d'acide polylactique et de polyhydroxyalcanoates. L'invention concerne également un procédé de fabrication de la composition granulaire revêtue et un procédé de libération contrôlée de la matière granulaire dans le champ.