Controlled delivery capsule

Details Controlled delivery capsule Controlled delivery capsule

A - Human Necessities

01

N

47/7, 167/3.1

A01N 25/00 (2006.01) A01M 1/20 (2006.01) A01M 17/00 (2006.01) A01M 21/00 (2006.01) A01N 25/34 (2006.01) B65D 65/46 (2006.01)

Patent

CA 1181682

Abstract of the Disclosure A capsule for the controlled release of an active material, e.g. into soil, is described. The capsule comprises an insoluble tubular housing (11) containing a number of water soluble or biodegradable partition walls (13) defusing one or more hermetically sealed compartments, (12) filled with the active material (14), e.g. an insecticide. When the capsule is in contact with water or an aqueous medium the partition walls (13) slowly dissolve or degrade thus releasing the active material after a predetermined delay.

397399

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