Improved compositions of substantially spherical urea formaldehyde polymer particles

An additive composition for a fertiliser composition, the additive composition comprising: a granular solid composition comprising: a) from about 30 % to about 70% of an active agent, wherein the active agent is N-(n-butyl)thiophosphoric triamide (NBPT); and b) from about 70 % to about 30 % by weigh...

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Bibliographische Detailangaben
Hauptverfasser:	Bobeck Drew R, Gabrielson Kurt D, Wertz Stacey L, Sutton Allen R
Format:	Patent
Sprache:	eng
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 NITROGENOUS FERTILISERS
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Beschreibung
Zusammenfassung:	An additive composition for a fertiliser composition, the additive composition comprising: a granular solid composition comprising: a) from about 30 % to about 70% of an active agent, wherein the active agent is N-(n-butyl)thiophosphoric triamide (NBPT); and b) from about 70 % to about 30 % by weight of substantially spherical urea-formaldehyde polymer (UFP) particles based on the total weight of the granular solid composition, wherein the active agent is substantially adhered to the UFP particle. The formulation can be used to improve the flow of the fertiliser composition.