A PROCESS FOR PRODUCING A POWDER COMPRISING AN EXTRUDED CARRIER WITH AN ACTIVE COMPOUND

This invention provides processes for forming powders comprising at least one active compound and at least one carrier. The processes comprise (i) heating at least one active compound to at least its melting point or softening point; and (ii) in an extruder, combining at least the at least one activ...

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Bibliographische Detailangaben
1. Verfasser:	LAMBETH, GREGORY, H
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AGRICULTURE ANIMAL HUSBANDRY BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES CHEMISTRY COMPOSITIONS BASED THEREON FERTILISERS FERTILISERS CHARACTERISED BY THEIR FORM FISHING FORESTRY GENERAL PROCESSES OF COMPOUNDING HUMAN NECESSITIES HUNTING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS 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 ORGANIC MACROMOLECULAR COMPOUNDS PEST REPELLANTS OR ATTRACTANTS PLANT GROWTH REGULATORS PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF THEIR PREPARATION OR CHEMICAL WORKING-UP TRAPPING WORKING-UP
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Beschreibung
Zusammenfassung:	This invention provides processes for forming powders comprising at least one active compound and at least one carrier. The processes comprise (i) heating at least one active compound to at least its melting point or softening point; and (ii) in an extruder, combining at least the at least one active compound with at least one carrier, to form combined ingredients, and cooling the combined ingredients as they pass through the extruder, such that the combined ingredients exit the extruder at about ambient temperature in the form of a powder having particles sized so that about 95 wt% or more of the powder passes through a screen of about 8 standard U.S. mesh. La présente invention concerne des procédés de fabrication de poudres qui comportent au moins un composé actif et au moins un support. Les procédés consiste (i) à chauffer au moins un composé actif à au moins son point de fusion ou son point de ramollissement ; (ii) dans une extrudeuse, à combiner le ou les composés actifs avec au moins un support, pour former des ingrédients combinés, et à refroidir les ingrédients combinés à mesure qu'ils passent à travers l'extrudeuse, de telle sorte que les ingrédients combinés sortent de l'extrudeuse à environ la température ambiante sous la forme d'une poudre ayant des particules dimensionnées de telle sorte qu'environ 95 % en poids ou plus de la poudre passent à travers un tamis de maille environ 8, norme américaine.