Controlled delivery agricultural capsule and method of making

Details Controlled delivery agricultural capsule and method of making Controlled delivery agricultural capsule and method of making

1982-03-03

1988-12-27

Marcus, Stephen

Special receptacle or package

Infusion containing

43124, 43131, 53474, 53561, 53567, 71 6411, 220DIG30, A01M 2500, B65B 910

Patent

active

047934743

ABSTRACT:
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) defining 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.

REFERENCES:
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patent: 3958973 (1976-05-01), Roberts
patent: 4123248 (1978-10-01), Drake
patent: 4148623 (1979-04-01), Drake
patent: 4198782 (1980-04-01), Kydonieus et al.
patent: 4350675 (1982-09-01), Drake

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